Normal wear on a carbide tool is typically seen as a gradual dulling or blunting of the cutting edges over time due to repeated use and contact with materials.
This is a normal and expected process for carbide tools and can be managed through proper maintenance and sharpening techniques. Normal wear on a carbide tool is characterized by gradual material loss and edge rounding due to the regular use and friction experienced during cutting or machining processes.
An alloy, that is all cemented carbide is. It is a man-made metal rather than a naturally occurring one. The components are cobalt (Co) and tungsten carbide (WC). With a 2900°C melting temperature, tungsten carbide is far more brittle than iron.
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how old was shakespeare when he wrote his first play
William Shakespeare, a renowned English poet, playwright, and actor, was born on April 23, 1564, in Stratford-upon-Avon, England. His works are considered a masterpiece of the English language and are still popular and highly regarded today.The exact date of Shakespeare's first play is unknown. However, it is generally accepted that he wrote his first play between 1589 and 1590.
During that time, he was around 25 to 26 years old, which was relatively young for a playwright to achieve such success. His first play, Henry VI, was a three-part historical drama that chronicled the reign of King Henry VI. Despite Shakespeare's youth, the play was a success and became popular among the audience.Shakespeare's success as a playwright continued to grow throughout his career.
He went on to write many more plays, including Macbeth, Hamlet, Romeo and Juliet, and Othello, which are considered some of the greatest plays ever written. His impact on the English language and literature is immeasurable and his works continue to be studied, performed, and enjoyed today.
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discuss referencing techniques
Answer:Referencing is a standardised method of acknowledging the sources of information and ideas you have used.
Explanation:Depending on the way in which they record sources, scholarly reference styles can be divided into three main categories: documentary notes styles, parenthetical (or author-date) styles, and numbered styles. Within each category there are several, slightly different reference styles.
Parenthetical citations give a short reference in parentheses directly in the text.Numerical citations give only a number that corresponds to a footnote, endnote, or reference list entry.Referencing allows you to acknowledge the contribution of other writers and researchers in your work. Any university assignments that draw on the ideas, words or research of other writers must contain citations. Referencing is also a way to give credit to the writers from whom you have borrowed words and ideas.
question 1 a design team completes their high-fidelity prototype of a responsive website. before they hand off designs to the engineering team, they need to confirm that the designs are final. what questions should they answer before handing off the designs? select all that apply.
The correct answer is A back-end developer writes code that forms the backbone of a website or app.
The project name and version should be included in a file name. No. The date, the author, and the version number must all appear in a file's name. High-fidelity mockups let designers make several changes without compromising the functioning of the design. Recall that you must enter prototype mode by selecting it from the menu in the top-left corner in order to construct a prototype. I'll first arrange my mockups according to the major user flow. In other words, I want my mockups to show the website of the library in the order that people would navigate it. Due of the various connections between the material, a matrix structure enables visitors to choose their own path. The concepts of hypertext, or HTML, are fully utilised by this style of structure.
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You are about to perform PMCS on your M1114? What resource should you use for the procedures and instructions for performing PMCS?
The resources and instructions that should be used for the procedures of performing PMCS are:
Operator's manualsSafety cautions and warnings.Fording kitHeating and cooling systems.What is PMCS?PMCS is an acronym for preventive maintenance checks and services and it can be defined as the maintenance, checks, and services that are typically performed before, during, and after the use of any type of military equipment such as:
M1114M1151M1123Basically, the resources and instructions that should be used for the procedures of performing PMCS are:
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what effect, if any, would a change in ambient temperature or air density have on gas turbine engine performance?
A change in ambient temperature or air density can have a significant effect on gas turbine engine performance. These factors influence the engine's efficiency, power output, and fuel consumption.
1)Firstly, an increase in ambient temperature causes a decrease in air density. As air density decreases, the mass of air entering the engine per unit time (mass flow rate) also decreases. This leads to a reduction in the engine's power output since less air is available for combustion with fuel. Conversely, a decrease in ambient temperature increases air density, resulting in a higher mass flow rate and increased power output.
2)Secondly, a change in ambient temperature affects the engine's thermal efficiency. Higher temperatures cause an increase in the temperature difference between the inlet air and the hot gases exiting the combustion chamber, which can lead to decreased thermal efficiency. Lower ambient temperatures, on the other hand, increase thermal efficiency as the temperature difference is greater.
3)Lastly, variations in air density can also affect fuel consumption. When air density is low, the engine requires more fuel to maintain a specific power output, leading to increased fuel consumption. Conversely, higher air density allows the engine to achieve the desired power output with less fuel, resulting in improved fuel efficiency.
4)In conclusion, changes in ambient temperature and air density significantly impact gas turbine engine performance by influencing power output, thermal efficiency, and fuel consumption. Understanding these effects is crucial for optimal engine operation and management.
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Hey guys can anyone list chemical engineering advancement that has been discovered within the past 20 years
in a for loop, the control variable can only be incremented. true or false
False. In a for loop, the control variable can be incremented, decremented, or updated in any other way that changes its value.
The control variable is typically used to keep track of the iteration count or to index an array, and it can be manipulated in various ways to achieve the desired behavior of the loop. For example, you might decrement the control variable if you want to iterate over an array in reverse order, or you might update it based on some condition within the loop. The key point is that the control variable can be modified in any way that makes sense for the particular loop and its purpose. However, it is important to note that the control variable should be updated in a way that eventually causes the loop to terminate, otherwise it will continue indefinitely and cause a program to hang or crash.
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Q1 (a) Identify and explain by giving an example what are the factors that consequence the ability of industrial plant functionality? (b) Illustrate the relation of manufacturing in terms of technology and economy aspects. (c) For a new plant, the management have decided to produce at least 50,000 units of products annually. On the other hand, the plant will produce variety types of products for different purposes. There were five processes involved to produce the product. As a Plant and Process Engineer, you were requested to propose an appropriate plant layout for the production purposes. Your proposal should be supported by: i. The illustration of the layout. ii. The explanation of the production operation based on the process involved. iii. The justification of your decision.
Factors influencing industrial plant functionality include technology, personnel, materials, and plant layout. Technology and economy intertwine in manufacturing, with technology enabling efficient production and the economy driving demand.
Technology availability dictates the processes and methods employed in the plant, and trained personnel ensure smooth operation. Reliable material supply enables steady production. In the economy-technology relation, technological advancements enhance manufacturing efficiency and product quality, thus improving economic returns. For the new plant, considering the varied products and multiple processes, a Cellular layout, grouping similar processes together, is proposed. This layout enhances flexibility and efficiency, critical for diverse production. The production operation follows a logical, efficient sequence per each product group.
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the command 'plot(x,y)' will create a plot of the array y versus the array x on rectilinear axes is?
The command `plot(x, y)` is used to create a plot of the array `y` versus the array `x` on rectilinear axes. The 'plot' command is a commonly used function in programming languages like MATLAB or Python for visualizing data.
This is because:
1. The `plot(x, y)` command is a function that takes two arrays, `x` and `y`, as its input arguments. The `x` array represents the horizontal axis values, while the `y` array represents the vertical axis values.
2. The term "rectilinear axes" refers to a two-dimensional Cartesian coordinate system where the horizontal and vertical axes are perpendicular to each other and form a grid-like pattern. The values along each axis are uniformly spaced.
3. The function then generates a visual representation of the data by plotting points for each corresponding pair of values from the `x` and `y` arrays. This means that for each index `i`, a point is plotted with coordinates `(x[i], y[i])`.
4. Finally, the function displays the completed plot, allowing you to analyze and interpret the relationship between the two arrays.
In summary, the command `plot(x, y)` is used to create a plot of the array `y` versus the array `x` on rectilinear axes, enabling you to visualize and analyze the relationship between the data in the two arrays.
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Yes, the command 'plot(x,y)' will create a plot of the array y versus the array x on rectilinear axes.
1. The `plot(x, y)` command is a function that takes two arrays, `x` and `y`, as its input arguments. The `x` array represents the horizontal axis values, while the `y` array represents the vertical axis values.
2. The term "rectilinear axes" refers to a two-dimensional Cartesian coordinate system where the horizontal and vertical axes are perpendicular to each other and form a grid-like pattern. The values along each axis are uniformly spaced.
3. The function then generates a visual representation of the data by plotting points for each corresponding pair of values from the `x` and `y` arrays. This means that for each index `i`, a point is plotted with coordinates `(x[i], y[i])`.
4. Finally, the function displays the completed plot, allowing you to analyze and interpret the relationship between the two arrays.
Rectilinear axes refer to a system of coordinates where the two axes (usually x and y) are perpendicular to each other and are scaled in a linear fashion. This is the most common type of coordinate system used in plotting data.
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In the context of value engineering!
Describe the theory of value between value, function, quality and cost. Define each of the components.
In the context of value engineering, the theory of value revolves around the relationship between value, function, quality, and cost.
These components play essential roles in assessing the worth and effectiveness of a product, system, or process. Let's define each of these components:
1. Value: Value represents the overall worth or benefit derived from a product, system, or process. It is a subjective measure that considers the satisfaction of needs, expectations, and requirements. Value is determined by the balance between the benefits received and the resources expended to obtain those benefits.
2. Function: Function refers to the purpose or intended use of a product, system, or process. It encompasses the specific tasks, activities, or operations that the entity is designed to perform. The functional requirements drive the design and development process to ensure that the entity can fulfill its intended function effectively.
3. Quality: Quality relates to the degree of excellence or superiority of a product, system, or process in meeting the specified requirements and expectations. It encompasses factors such as reliability, durability, performance, safety, and customer satisfaction. Quality is an important determinant of value as it directly influences the user experience and long-term reliability of the entity.
4. Cost: Cost refers to the monetary investment or resources required to acquire, develop, operate, and maintain a product, system, or process. It includes both direct costs (e.g., materials, labor) and indirect costs (e.g., maintenance, training). Cost is a crucial factor in value engineering as it influences the economic feasibility and profitability of the entity.
The theory of value in value engineering involves maximizing the value derived from a product, system, or process by optimizing the relationship between function, quality, and cost. By understanding the functional requirements and aligning them with the desired level of quality while minimizing costs, value engineering seeks to identify opportunities for improvement, innovation, and cost savings without compromising performance or user satisfaction.
Through a systematic analysis and evaluation process, value engineering aims to enhance the value proposition by optimizing the function, improving the quality, and reducing costs. This approach ensures that the final outcome provides the highest possible value to the stakeholders, aligning with their needs and expectations while being economically efficient.
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Determine the reactions at the roller B the rocker C, and where the beam contacts the smooth plane at A. Neglect the thickness of the beam. Suppose that F1 = 450 N and F2 = 720 N (Figure 1)
To determine the reactions at points A, B, and C, we will first need to analyze the forces and moments acting on the beam. Given that F1 = 450 N and F2 = 720 N, we can use the following steps:
1. Calculate the sum of the vertical forces, which should be equal to zero for static equilibrium:
ΣFy = Ay + By + Cy - F1 - F2 = 0
2. Calculate the sum of the moments about point A, which should also be equal to zero for static equilibrium:
ΣMA = (F1 * d1) + (F2 * d2) - (Cy * d3) = 0
Here, d1, d2, and d3 are the distances from point A to the points where the forces F1, F2, and Cy are applied.
3. Solve for the unknown reactions Ay, By, and Cy using the above equations.
Note that without the distances (d1, d2, and d3) or a diagram (Figure 1), it is not possible to provide specific numerical values for the reactions at A, B, and C.
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Copperbelt Pawer Compary (CPC) is consider a two-year transmission project. CPC has two options, fully funtling the project at time Q, or spread funding over the project. Whea fully funded at tine 0 , the proiect has a net present yalue of k.150 miltson. Alteinatively, the company has an option of making a partial investinert of ×1,900 million at the beginning of year 1 (time ±0)
1
followed by a further investment at the beginning of Year 2(t=1). With tegards the imestment at tine end of year 2 . there are three (2) postable types of tochnsiogies avalable. Type 1 will cost K.700 milison, Type 2 will cost K.600 million, and type 3 will cost K300 milion. The actual technelegy ehosen will depend on the performance of the tconemy it year 1 if the econcemy had a good grawth, CPC would consider irvesting in either Type 1 or 2. If the ecanomy pets bad growth, the company would consider either Type 9 er not invest at all. In yeart, CPC is especting to earn K1,300 millisn if the economy performs wes, or K500 nilition it the econcety performs pooty. in year 2 , the compary is expecting a type 1 investrient to vield either K
1
,600 millice if the econorzy berfoems wall, or K
1
,000mili on it it performs poorhy. 4 type 2 ifvestment is exptcted to yisid k700 million or k20.0 mittion for a good of poor econsm, respectivety. A type 3 investment is expected to yield KB00 millien or K600 milion for a geed or poor ecanamy, resoectively, Nuthirvg is expected under the 'ne- furtherw imentment' seenarid if the economy performs poorly. Hovever, this scenarie is expeeted to yield keoo million should the econamic nerfocmance the good: All the eamings represent actual cashfiows. There is an equal likelitood of a good or bad ecorveny in year t; and a A0\%, likethoed of good tconomy in the year 2. Assume that the overal rate of retum on the LUSE is 9K
4
, the risk-tree rate is 4%, and CPC has a beta of 1.2. Required: a. Prepute a Deciaien Tree of this groject and determine a toch ievestewent should be made at the beginning of Year ? b. Theternine the expocted veluitity in the cumings of each of the four sienurwos in yoar 2 . c. Derensine the nel pecsent value of the partial Luidieg कpraia al your 0 d. Whit is the value of the purtial fuvding eption? e. Beiefly explein the Imitatieas of this ajproacs to muestricn analysis
Some common limitations of decision tree analysis include the assumption of known probabilities, the inability to capture complex interactions between variables, and the sensitivity to changes in the probabilities or cash flows used in the analysis.
Firstly, it is important to note that Copperbelt Power Company (CPC) is considering a two-year transmission project. They have two options: fully funding the project at time 0 or spreading the funding over the project.
If CPC chooses to fully fund the project at time 0, the net present value is K150 million.
Alternatively, CPC has the option of making a partial investment of K1,900 million at the beginning of year 1, followed by another investment at the beginning of year 2.
At the end of year 2, there are three possible types of technologies available: Type 1 costing K700 million, Type 2 costing K600 million, and Type 3 costing K300 million. The choice of technology depends on the performance of the economy in year 1. If the economy has good growth, CPC would consider investing in either Type 1 or Type 2. If the economy has bad growth, CPC would consider either Type 3 or not investing at all.
In year 1, CPC expects to earn K1,300 million if the economy performs well, or K500 million if the economy performs poorly. In year 2, a Type 1 investment is expected to yield either K1,600 million for good economic performance or K1,000 million for poor economic performance. A Type 2 investment is expected to yield K700 million for good economic performance or K200 million for poor economic performance. A Type 3 investment is expected to yield K800 million for good economic performance or K600 million for poor economic performance.
Now, let's address the specific questions:
a. To determine the investment that should be made at the beginning of Year 2, a decision tree needs to be computed based on the information provided. Unfortunately, the question does not include the necessary information to construct the decision tree. It is important to have the probabilities of good or bad economic performance in both year 1 and year 2 to accurately determine the investment decision.
b. The expected values of the earnings for each of the four scenarios in year 2 can be calculated by multiplying the probabilities of good or bad economic performance in year 2 with the respective earnings for each type of investment.
c. The net present value of the partial funding option at year 0 can be determined by calculating the present value of the cash flows associated with the partial investment. This calculation requires information about the discount rate and the expected cash flows for each year.
d. The value of the partial funding option can be determined by comparing the net present value of the partial funding option to the net present value of fully funding the project at time 0. The difference between these two values represents the value of the option to partially fund the project.
e. The limitations of this approach to investment analysis are not provided in the question. However, some common limitations of decision tree analysis include the assumption of known probabilities, the inability to capture complex interactions between variables, and the sensitivity to changes in the probabilities or cash flows used in the analysis.
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What can make a fan that is propeller is not running again
Write about traditional brick production in Pakistan
Answer:
Clay bricks are manufactured by mining and clay moulded blocks. There are 20,000 brick klins in Pakistan.
Explanation:
In Pakistan, the clay bricks are manufactured by mining and baking the clay moulded blocks in brick kilns. According to an estimate, the baking process emits about 1.4 pounds of carbon per brick made, but in Pakistan, because the systems are outdated, brick kilns are used, which is producing more than the average amount of the pollution.
There are about 20,000 brick kilns in Pakistan. The traditional brick production in Pakistan is consists of hand-made bricks which are first baked in Fixed Chimney Bull's Trench Kilns (FCBTK), this is the most widely used brick firing technology in South Asia.
T he connection between the grounded bar in the panel board and the case of the panel board is called what
The connection between the grounded bar in the panel board and the case of the panel board is called a bonding connection.
This connection ensures that the metallic parts of the panel board are all connected to the same potential. It also provides a low-resistance path for fault current to flow through, allowing circuit breakers to trip when a fault is detected.
A bonding connection is an essential part of a panel board and is often required by code. It works by connecting all of the metallic parts of the panel board, such as the neutral and ground bars, to the same potential.
This ensures that the panel board is properly grounded and that any fault current that may occur is safely conducted away.
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coil of resistance 10 Ohm and inductance of 0.1 Henry is connected in
series with condenser of capacitance of 150 micro Farad across 200 V, 50
Hz, AC supply. Find current, power, power factor, voltage drop across
coil, voltage drop across condenser and draw the phasor diagram
Answer: Your welcome!
Explanation:
Current I = 200/√(10^2 + (2π × 50 × 0.1)^2) = 200/√1000 = 14.14 A
Power P = I2R = 14.142 × 10 = 141.4 W
Power factor PF = cos φ = R/√(R2 + X2) = 10/√(102 + (2π × 50 × 0.1)2) = 0.99
Voltage drop across resistance VR = I × R = 14.14 × 10 = 141.4 V
Voltage drop across condenser VC = I × X = 14.14 × 2π × 50 × 0.1 = 44.18 V
The phasor diagram is shown below:
Phasor Diagram
V = 200 V at 0°
I = 14.14 A at -90°
VR = 141.4 V at 0°
VC = 44.18 V at +90°
Which part of a machine control unit interacts with the machine tools through electric signals?=]
A machine control unit is the electronic hardware that stores information and controls the machine tools. This unit contains a data processing unit that stores and manipulates data, and a ___________ that interacts with the machine tools through electrical signals.
Answer:
control loop unit
Explanation:
Edmentum/Plato
Consider an ideal ramjet engine flying at an altitude of 10,000 m (see local atmospheric conditions in appendix III of the textbook). The jet fuel used has a heat of combustion of 43,000 kJ/kg, and a stoichiometric fuel to air ratio of 0.06. The maximum temperature of the ramjet is 2600 K. Assume the specific heat ratio up to the combustion chamber is 1.4, and that the specific heat ratio through the rest of the engine (including the combustor) is 1.33. The specific heat at constant pressure for the gases in the combustor can be calculated using the following equation: C = R. 17-1 where R is assumed to be 0.287 kJ/kgk throughout the engine. Calculate the specific thrust and TSFC as a function of flight Mach number from a range of 1 to 6. Note that the fuel to air ratio can not be above the stoichiometric value (i.e. we can't burn more fuel than that at an equivalence ratio of unity). Some operating points may require a higher value off than the stoichiometric value to reach the temperature limit. Under this condition, f should be set to the stoichiometric value, and the combustor exit temperature T04 should be calculated from the energy equation. Otherwise, the maximum temperature is used and f is calculated from the energy equation. Using a procedure and an if/then/else approach might be ideal for this. Include the following plots: 1. Specific thrust (1) vs. Mflight 2. TSFC vs. Mflight 3. T04 vs. Mflight 4. Aexit/Athroat Vs. Mflight 5. 1th, Np, and no vs. Mflight TABLE 1 Geometric altitude S.I. units H, m TK P , N/m? p, kg/m3 . 4, m/s v, m/s po 0 1000 2000 3000 4000 5000 0 1000 1999 2999 3997 4996 288.150 281.651 275.154 268.659 262.166 255.676 1.01325 +5 8.9876 +4 7.9501 +4 7.0121 +4 6.1660 +4 5.4048 +4 1.00000 +0 8.87009-1 7.84618 -1 6.92042 - 1 6.08541 - 1 5.33415 - 1 1.2250 +0 1.1117 +0 1.0066 +0 9.0925 - 1 8.1935 - 1 7.3643-1 1.0000 +0 9.0748 -1 8.2168 -1 7.4225-1 6.6885 -1 6.0117 - 1 340.294 336.435 332.532 328.583 324.589 320.545 1.4607 -5 1.5813-5 1.7147-5 1.8628 - 5 2.0275 -5 2.2110 -5 6000 7000 8000 9000 10000 5994 6992 7990 8987 9984 249.187 242.700 236.215 229.733 223.252 4.7217 +4 4.1105 +4 3.5651 +4 3.0800 +4 2.6500 +4 4.66001 - 1 4.05677 -1 3.51854 -1 3.03979 - 1 2.61533 -1 6.6011 - 1 5.9002 -1 5.2579 -1 4.6706 -1 4.1351 - 1 5.3887 - 1 4.8165 - 1 4.2921 - 1 3.8128-1 3.3756 -1 316.452 312.306 308.105 303.848 299.532 2.4162 -5 2.6461 -5 2.9044-5 3.1957 -5 3.5251 - 5
H is the enthalpy of the gas, Hf is the enthalpy of the fuel, m is the mass flow rate of air, Vexit and Vinlet are the exit and inlet velocities.
What is mass?Mass is the measure of the amount of matter an object contains. It is measured in kilograms (kg) in the International System of Units (SI). Mass is also known as a measure of inertia, which is the resistance of an object to change its velocity or its direction. In other words, mass is the measure of an object's resistance to acceleration.
The specific thrust is the amount of thrust generated per unit mass flow rate of air through the engine. It can be calculated by the following equation:
T = m * (Vexit – Vinlet)
where m is the mass flow rate of air and Vexit and Vinlet are the exit and inlet velocities respectively.
TSFC
The TSFC is the amount of fuel consumed per unit of thrust produced. It can be calculated by the following equation:
TSFC = (mf/T) * (Vexit – Vinlet)
where mf is the fuel flow rate and T is the thrust generated.
T04
T04 is the temperature of the gases exiting the combustor. It can be calculated from the energy equation, which is given by:
H = Hf + m * (Vexit2/2 – Vinlet2/2) + mf * (Qf – Hf)
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Assume you wish to transfer an n B file along a path composed of the source, destination, 7 point-to-point links, and 5 switches. Suppose each link has a propagation delay of 2ms and a bandwidth of 4Mbps, and that the switches support both circuit and packet switching. Thus, you can either break the file up into 1-KB packets or set up a circuit through the switches and send the file as one contiguous bitstream. Suppose that packets have 24B of packet header information and 1000B of payload, store-and-forward packet processing at each switch incurs a 1-ms delay after the packet had been completely received, packets may be sent continuously without waiting for acknowledgments, and circuit setup requires a 1-KB message to make one round trip on the path, incurring a 1-ms delay at each switch after the message has been completely received. Assume switches introduce no delay to data traversing a circuit. You may also assume that filesize is a multiple of 1000B.A. For what filesize n B is the total number of bytes sent across the network less for circuits than for packets?
B. For what filesize n B is the total latency incurred before the entire file arrives at the destination less for circuits than for packets?C. How sensitive are these results to the number of switches along the path? To the bandwidth of the links? To the ratio of packet size to packet header size?D. How accurate do you think this model of the relative merits of circuits and packets is? Does it ignore important considerations that discredit one or the other approach? If so, what are they?
Answer:
a) n > 8600 bytes
b) 9500 bytes
c) The results calculated above a very sensitive to the ratio of the packet size to the packet header
d) the model is accurate because N > 9500 bytes
Explanation:
A) The filesize n B
no of bytes transferred = no of packets * packet size
= ( n / 1000 ) * 1024
circuit switching
number of bytes transferred = file size + two packets
= n + (2 * 1024)
comparing both equations
= n + (2048) < ( n/1000) * 1024
= 24 * n / 1000 > 2048
hence: n > 8600 bytes
B ) The filesize n B is the total latency incurred before the entire file arrives at the destination less for circuits than for packets
packet switching :
Latency = ( n/1000 ) * ( 1024 * 8 bits/4 Mbps ) + 3 * ( 1024 * 8 bits / 4 Mbps) s + (3 * 1 ms + 4 * 2 ms)
= ( n * 2 * 1026 / 10^6 )ms + 6.144 + 11
Circuit switching
Latency = ( n * 8 bits/ 4 Mbps ) s + 4 * 2 ms + 2 * ( 4 * 1024 * 8/4 mbps + 3 * 1 ms + 4 * 2 ms )
= n * 2*10 n3 / 10^6 ms + 8 + 2 * ( 19.1920 )
= 2n / 10 n3 + 38.3840
therefore for n to meet the requirement
( n * 2 * 1024 / 10 n6 ) ms + 17.144 > 2n / 10 n3 + 38.384
hence N > 9500 BYTES
C ) The results calculated above a very sensitive to the ratio of the packet size to the packet header
D) The model is accurate because N > 9500 bytes
and It doesn't ignore any important considerations
a commercial refrigerator with r-134a as the working fluid is used to keep the refrigerated space at -35 c by rejecting waste heat to cooling water that enters the condenser at 18 c at a rate of 0.25 kg/s and leaves at 26 c. the refrigerant enters the condenser at 1.2 mpa and 50 c and leaves at the same pressure subcooled by 6 c. if the compressor consumes 3.3 kw of power , determine (a) the mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.
At 1.2mpa pressure and 50c
What is pressure?
By pressing a knife against some fruit, one can see a straightforward illustration of pressure. The surface won't be cut if you press the flat part of the knife against the fruit. The force is dispersed over a wide area (low pressure).
a)Mass flow rate of the refrigerant
Therefore h1= condenser inlet enthalpy =278.28KJ/Kg
saturation temperature at 1.2mpa is 46.29C
Therefore the temperature of the condenser
T2 = 46.29C - 5
T2 = 41.29C
Now,
d)power consumed by compressor W = 3.3KW
Q4 = QL + w = Q4
QL = mR(h1-h2)-W
= 0.0498 x (278.26 - 110.19)-3.3
=5.074KW
Hence refrigerator load is 5.74Kg
(COP)r = 238/53
(Cop) = 4.490
Therefore the above values are the (a) mass flow rate of the refrigerant, b) the refrigerant load, c) the cop, and d) the minimum power input to the compressor for the same refrigeration load.
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A farmers drainage ditch has a width of 2 m and a depth of 50 cm. It is lined with concrete with a roughness of 0.011 and slopes at 0.0009. Calculate the ditch's discharge rate.
Answer:
Using the Manning's Equation, the discharge rate can be calculated as follows:
Q = (1.49/n) x A x R^(2/3) x S^(1/2)
Where:
Q = discharge rate (m^3/sec)
n = Manning's roughness coefficient (0.011)
A = cross sectional area of the ditch (2m x 0.5m = 1 m^2)
R = hydraulic radius (half the width of the ditch, or 1 m)
S = slope of the ditch (0.0009)
Q = (1.49/0.011) x 1m^2 x 1m^(2/3) x 0.0009^(1/2)
Q = 13,636.36 m^3/sec
Social Engineering as Art and Science The logic behind social engineering is simple - it can be easy to get all the information and access that one needs from any person as long as you know how to trick a person into giving you the data you need with the least resistance possible. By being able to pull off a social engineering trick, you will be able to get your hands on to a device, account, or application that you need to access in order to perform bigger hacks or hijack an identity altogether. That means that if you are capable of pulling of a social engineering tactic before attempting to go through all other hijacking tactics up your sleeve, you do not need to make additional effort to penetrate a system. To put this entire concept into simpler terms, social engineering is a form of hacking that deals with manipulation of victims through social interaction, instead of having to break right away into a computer system. What makes social engineering difficult is that it is largely based on being able to secure trust, which is only possible by getting someone's trust. For this reason, the most successful hackers are capable of reading possible responses from a person whenever they are triggered to perform any action in relation to their security system. Once you are able to make the right predictions, you will be able to get passwords and other valuable computer assets without having to use too many tools.
Social engineering is considered as both an art and a science. It is a form of hacking that involves the manipulation of victims through social interaction instead of directly breaking into a computer system.
The logic behind social engineering is simple, if one knows how to trick a person into giving out the data they need, they can easily access all the information and access they need with the least resistance possible. This makes social engineering a crucial part of hacking since it allows hackers to gain access to devices, accounts, or applications without making any additional effort.
By using social engineering tactics, a hacker can access a system without having to go through all the other hijacking tactics up their sleeve.The most challenging part of social engineering is securing trust, which is only possible by getting someone's trust. Hackers use various tactics to predict possible responses from a person whenever they are triggered to perform any action in relation to their security system.
The ability to read possible responses from a person is a significant skill for hackers since it enables them to predict passwords and other valuable computer assets without having to use too many tools. Successful hackers use social engineering as a powerful tool to penetrate a system.
In conclusion, social engineering is an essential component of hacking, and a significant part of its success lies in the art of manipulation.
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Etimate the hourly production of a hovel with bucket capacity of 0. 96 m³ & cycle time of 30 ec. Shovel i ued to excavate hard oil in an open area. The excavated earth ha to be loaded in waiting dump truck, poitioned at 60°. Equipment i utilized for 50 minute in 1 hour
Divide the overall operation's time by the quantity of buckets or cycles to determine the excavator cycle time.
How big a bucket can it hold?A bucket can carry as much material as it contains plus additional material piled on top of it. The Heaped or Rated Capacity is used to describe this. The angle at which the material being handled is resting determines how much material will be piled on top of the bucket (heap).
Use the S3 console and select the bucket you want to view to find out how big a specific S3 bucket is. The total number of bytes stored over time is depicted in a graph found under Metrics.
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What are the top 4 solar inventions, how they are used, and how they are better than the original way of powering them
The gain of a common-source MOSFET amplifier can be estimated by the ratio of the bias voltage across the drain resistor to the bias voltage across the source resistor. True or False?
True; The gain of a common-source MOSFET amplifier can be estimated by the ratio of the bias voltage across the drain resistor to the bias voltage across the source resistor.
Using Metal-Oxide-Semiconductor Field-Effect Transistor (M O S F E T) technology, an amplifier is known as a M O S F E T amplifier. The M O S F E T (metal-oxide-silicon) transistor is a particular kind of insulated-gate field-effect transistor. An electronic device that may boost the strength of a signal is known as an amplifier, electronic amplifier, or (informally) amp (a time-varying voltage or current). It may dramatically increase power or have a greater impact on voltage or current (power, voltage or current amplifier). It is a two-port electrical circuit that uses electricity from a power source to boost the amplitude of a signal applied to its input terminals.
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1: You are the systems administrator for a scientific research company that employs over 100 scientists who write and run Linux programs to analyze their work. All of these programs are stored in each scientist’s home directory on the Linux system. One scientist has left the company, and you are instructed to retrieve any work from that scientist’s home directory. When you enter the home directory for that user, you notice that there are very few files and only two directories (one named Projects and one named Lab). Complete the following questions.
If there are any text files, what commands could you use to view their contents?
*
ls, cd, nano, cat, gedit
List the commands that you would use to navigate through this user’s home directory and view filenames and file types
*
E:g Subsequent to entering the clients home index us
ls to list all records and organizers in current registry
ls - l to get a long posting of the records
ls - a to incorporate secret documents
To explore different organizers utilize album order e:g
What is a command?
Commands can be described as s the part in which the software is giving a command and they are the ones that will be taking the action regarding the certain thing in the computer software.
To list all records expansions in a registry using ls with grep order like
ls - Xp | grep - Eo "\.[^/]+$" | sort | uniq
There are numerous ways of reviewing text records in Linux and the easiest way is "cat" order
catmeans "catenate." It peruses information from records and results of their items. It is the easiest method for showing the items in a document at the order line. E:g to show the items in the document named mytext.txt, type
catmytext.txt
There are numerous content managers additionally accessible in linux like vi, edit and so forth. On the off chance that you have anybody introduced, you can utilize these editors to see, make, alter documents. To utilize vi supervisor type
vi mytext.txt and to utilize gedit type gedit mytext.txt
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A four-lane divided multilane highway (two lanes in each direction) in rolling terrain has five access points per mile and 11-ft lanes with a 4-ft shoulder on the right side and a 2-ft shoulder on the left. The peak-hour factor is 0.84 and the traffic stream consists of 6% trucks, 4% buses, and 3% recreational vehicles. The driver population adjustment factor is estimated at 0.90. If the analysis flow rate is 1250 pc/h/ln, what is the peak-hour volume
Answer:
peak-hour volume = 1890 veh/h
Explanation:
Determine the peak-hour Volume
Applying the equation below
Vp = v / ( PHF * N * Fg * Fdp ) -------------- ( 1 )
where :
Vp = 1250
v ( peak - hour volume ) = ?
PHF ( peak hour factor ) = 0.84
N = 2 lanes per direction
Fg ( grade adjustment for rolling terrain ) = 0.99 ≈ 1
Fdp = 0.90
Back to equation 1
v = Vp ( PHF * N * Fg * Fdp )
= 1250 ( 0.84 * 2 * 1 * 0.90 )
= 1890 veh/h
External crack of length of 3.0 mm was detected on the surface of the shaft of wind turbine made from 4340 steel. The diameter of the shaft of wind turbine is equal to 32 mm. Assume the shaft is subjected to a maximum load of 50,000 N during operation and the radius of the curvature of the crack is 3 x 10-2 mm. Determine the Fracture toughness KC of the shaft Express your answer in to four significant figures. Do not include the units.
Answer:
The correct answer is "\(K_c=6.0369 \ MPa\sqrt{m}\)".
Explanation:
Given:
Maximum load,
P = 50,000 N
Crack length,
a = 3mm
or,
= 3×10⁻³ m
Diameter,
d = 32 mm
As we know,
⇒ Maximum stress, \(\sigma=\frac{P}{A}\)
\(=\frac{50000}{(\frac{\pi}{4}\times 32^2)}\)
\(=62.20 \ N/mm^2\)
Now,
⇒ Fracture tougness, \(K_c=Y \sigma\sqrt{\pi a}\)
On substituting the values, we get
\(=1\times 62.20\times \sqrt{3.14\times 3\times 10^{-3}}\)
\(=6.0369 \ MPa\sqrt{m}\)
Which of the following are the key
aspects a technical engineer will be
asked to do?
A. Build and put together
B. Design and structure
C. Deconstruct and analyze
Answer: A ,build and put together. engineer build things.
What is the linear distance traveled in one revolution of a 36-inch wheel
Answer:
36π inches ≈ 113.0973 inches
Explanation:
The circumference of the wheel is pi times its diameter.
C = πd
C = π(36 in) = 36π in ≈ 113.0973 in
The distance around the wheel is 36π inches, about 113.0973 inches.