1, Write code that jumps to label L1 if either bit 4, 5 or 6 is set in the BL register

2, Write code that jumps to label L1 if bits 4, 5 and 6 are all set in the BL register

3, Write code that jumps to label L2 if AL has even parity.

4, Write code that jumps to label L3 if EAX is negative.

5, Write code that jumps to label L4 if the expression(EBX - ECX) is greater than zero

WRITE ALL THE CODES IN ASSEMBLY LANGUAGE OF 5 QUESTIONS AND WRITE THE COMMENTS AFTER EACH LINE OF CODE SO THAT I CAN UNDERSTAND.

Answer:

1. --a 10

--b 100 in.

2. --a 4

--b 4

3. --a 2

--b 30 rpm

--c 75 ft.·lb.

4. --a Second class lever

--b 50 lbs.

Explanation:

The Actual Mechanical Advantage, AMA, is given as follows;

\(AMA = \dfrac{F_R}{F_E}\)

Where;

\(F_R\) = The resistance force magnitude

\(F_E\) = The effort force magnitude

1. a. We have;

\(F_R\) = 10 lb.

\(F_E\) = 100 lb.

\(AMA = \dfrac{100 \ lb}{10 \ lb} = 10\)

b. \(Mechanical \ advantage, \ M.A. = \dfrac{Distance \ moved \ by \ load}{Distance \ moved \ by \ effort}\)

The diameter of the axle, d = 2 in.

Let 'D' represent the diameter of the wheel, we have;

The distance moved by the axle, c = π·d

The distance moved by the load, C = π·D

\(M.A. = 10 = \dfrac{\pi \cdot D}{\pi \times 2}\)

∴ 2 × 10 = D

D = 20 in.

The required wheel diameter to overcome the resistance force, D = 100 in.

2. --a The mass of the participants, m = 200 lb.

The depth of the ground of the participants = 20 feet

The effort force = 50 lb

Actual Mechanical Advantage, AMA = 200 lb./(50 lb.) = 4

--b. The number of strands of pulley needed ≈ The mechanical advantage = 4

3. The number of gears on Gear A = 10 teeth

The number of gears on Gear B = 8 teeth

The number of gears on Gear C = 20 teeth

-a. Given that the driver gear = Gear A

The output gear = Gear C

\(The \ gear \ ratio = \dfrac{The \ number \ of \ teeth \ on \ the \ driven \ gear}{The \ number \ of \ teeth \ on \ the \ driver \ gear}\)

The driver gear = The input gear

Therefore, we have;

\(The \ gear \ ratio = \dfrac{20 \ teeth}{10 \ teeth} = 2\)

The gear ratio = 2

-b \(The \ gear \ ratio = \dfrac{The \ driver \ gear\ speed}{The \ driven \ gear\ speed}\)

Therefore, we have;

\(The \ gear \ ratio = 2 = \dfrac{60 \ rpm}{Gear\ C \, speed}\)

\(Gear\ C \, speed = \dfrac{60 \ rpm}{2} = 30 \ rpm\)

-c The output (driven) gear torque at Gear C = 150 ft.·lb.

\(The \ gear \ ratio = \dfrac{Driven \ gear \ torque}{Driver \ gear \ torque}\)

Therefore;

\(2 = \dfrac{150 \ ft \cdot lb}{Driver \ gear \ torque}\)

\(Driver \ gear \ torque = \dfrac{150 \ ft \cdot lb}{2} = 75 \ ft \cdot lb\)

The input (driver) torque at Gear A = 75 ft·lb

4. -a Given that the load is between the effort and the fulcrum, we have;

The type of lever is a second class lever

-b The distance between the load and the fulcrum = 4 feet

The distance between the effort and the fulcrum = 8 feet

We have;

100 lbs × 4 ft. = Effort × 8 ft.

∴ Effort = 100 lbs × 4 ft./(8 ft.) = 50 lbs.

The effort = 50 lbs.

Article 515 covers a property or portion of a property where flammable liquids are received by tank vessel, pipelines, tank car, or tank vehicle and are stored or blended in bulk for the purpose of distribution.

Article 515 refers to a section in the National Electrical Code (NEC) that deals with the safety requirements for areas where flammable liquids, gases, or vapors are received, stored, or blended in bulk.

These substances can be received via tank vessels, pipelines, tank cars, or tank vehicles. The primary goal of Article 515 is to minimize the risk of fires, explosions, or other hazards associated with the handling and storage of these potentially dangerous materials.

It sets guidelines for electrical equipment and wiring in these facilities, ensuring that they meet specific safety standards to prevent accidents and protect workers.

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The given two-dimensional velocity field is given by u = 1 + y and v = 1.To find the equation of the streamline, we need to integrate the velocity components.

∫dx / u = ∫

dy / v= c,

where c is a constant.

∫dx / (1 + y) = ∫dy /

1= c,

where c is a constant.

Let's integrate both of them to find the equation of the streamline.y + ln(1 + y) = x + c......(1)The equation (1) is the main answer.For a streamline that passes through the origin, the value of c is 0, and we have the following equation for the streamline:y + ln(1 + y) = xPlotting the streamline on a graph:3. Determine the acceleration field for a three-dimensional flow with velocity components u = -X, v = 4 xay, and

w = x - y.

The given three-dimensional flow has velocity components

u = -X,

v = 4 xay, and

w = x - y.

The acceleration field for the three-dimensional flow is given as:A = ∂v / ∂t + (v · ∇)v

Let's first find the value of ∇v:∇v = i (d / dx) + j (d / dy) + k (d / dz) v∇v

= -i - 4xj + k

Thus, v · ∇v

= (4xa^2)i + k· (d / dz) v

= i + 0j - 1kThus,

A = ∂v / ∂t + (v · ∇)vA

= ∂(-X) / ∂t + (4xa^2)i - k... (1)

We need to find ∂v / ∂t from the given data:∂v / ∂t = (d / dt) 4xay

= 4a(d / dt) y

= 4av

= 4a^2y

The acceleration field (1) becomes:A = 4a^2yi - k

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Keywords Are Reserved Words Which Are Not Use As Normal Cases But Used For Special Purpose In Our Program whereas, Data Type Tells The Compiler And Interpreter How The Program Is Going To Be Executed And Can Be Used At Every Cases.

Based on how they are stored in the computer, the types produced by these keywords can be categorized into two families, integer types and floating-point types.

Bit, byte, and word are terminology that can be used to refer to either memory or data storage units in computers.

The main distinction between text fields and keyword fields is that text fields are examined during indexing, whereas keyword fields are not.

This means that while keyword fields are indexed exactly as is, text fields are split down into their constituent phrases at indexing to allow for partial matching.

A word or collection of words that an Internet user enters into a search engine or search bar to conduct a search is referred to as a keyword in the context of digital marketing.

Therefore, All data types are keywords, but all keywords are not data types.

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Answer:

13.9357 horse power

Explanation:

Annealed copper

Given :

Width, b = 9 inches

Thickness, \($h_0=2.2$\) inches

K= 90,000 Psi

μ = 0.2, R = 14 inches, N = 150 rpm

For the maximum possible draft in one pass,

\($\Delta h = H_0-h_f=\mu^2R$\)

     \($=0.2^2 \times 14 = 0.56$\) inches

\($h_f = 2.2 - 0.56$\)

     = 1.64 inches

Roll strip contact length (L) = \($\sqrt{R(h_0-h_f)}$\)

                                             \($=\sqrt{14 \times 0.56}$\)

                                             = 2.8 inches

Absolute value of true strain, \($\epsilon_T$\)

\($\epsilon_T=\ln \left(\frac{2.2}{1.64}\right) = 0.2937$\)

Average true stress, \($\overline{\gamma}=\frac{K\sum_f}{1+n}= 31305.56$\) Psi

Roll force, \($L \times b \times \overline{\gamma} = 2.8 \times 9 \times 31305.56$\)

                                 = 788,900 lb

For SI units,

Power = \($\frac{2 \pi FLN}{60}$\)  

           \($=\frac{2 \pi 788900\times 2.8\times 150}{60\times 44.25\times 12}$\)

           = 10399.81168 W

Horse power = 13.9357

Answer: A prototype

Explanation:

The scale model that proves the initial concept is called a domain model.

A copy or depiction of something where all parts have the same dimensions as the original. A scale model is an image or copy of an object that is either larger or smaller than the object being represented's actual size.

A domain model is a type of conceptual model that is used to depict the structural elements and conceptual constraints within a domain of interest.

A domain model will include all of the entities, their attributes, and relationships, as well as the constraints that govern the conceptual integrity of the structural model elements that comprise that problem domain.

Therefore, a domain model is the scale model that proves the initial concept.

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Note that the magnitude of the resultant active thrust on the wall is 876.69 kN.

To calculate the magnitude of the resultant active thrust on the wall, we need to use Rankine's theory of earth pressure.

Let's assume that the wall height is also 5.4 meters, and the angle of wall friction is zero.

Then, the total active thrust (Q) is given by:

Q = Ka * H * gamma * H/2

Where,

Ka = Active earth pressure coefficient

H = height of the wall

gamma = unit weight of soil

The active earth pressure coefficient can be calculated using the following formula:

Ka = (1 - sin(phi)) / (1 + sin(phi))

Where, phi = angle of shearing resistance of soil

Substituting the given values, we get:

phi = 30 degrees

H = 5.4 meters

gamma = 19.8 kN/m^3

Ka = (1 - sin(30)) / (1 + sin(30)) = 1/3

Q = Ka * H * gamma * H/2 = (1/3) * 5.4 * 19.8 * 5.4/2 = 876.69 kN

Therefore, the magnitude of the resultant active thrust on the wall is 876.69 kN.

The line of action of the resultant active thrust on the wall will be at one-third of the height of the wall from the bottom. Therefore, the line of action of the active thrust will be at a height of 1.8 meters from the bottom of the wall.

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Note that Engineering ethics include ideas and directives related to: All the above, that is Option A-D.

Engineering ethics are the norms and principles that engineers must follow as a moral commitment to their profession and the world. Engineering is a professional occupation that has a significant influence on people's lives.

Engineers have a professional obligation to design and maintain infrastructure in a way that is safe, effective, and sustainable. This includes ensuring that urban infrastructure, such as roads, bridges, and buildings, meets the needs of the community and does not pose a risk to public safety.

All engineers often work under contracts with clients, and they have a professional obligation to fulfill the terms of these contracts in a timely and competent manner.

They are expected to act with integrity in all aspects of their work, including honesty, fairness, and respect for others.

Engineers working for corporations or other organizations have a professional obligation to uphold ethical standards. Hence, all the above options are related to Engineering Ethics.

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Answer:

International Film Festival

Judging the best best film:

a. The probability that out of five judges (random sample),  three are in favor of film FA is:

= 33%.

b. The demerits of classical probability are:

1. Classical probability can only be used with events that have definite numbers of possible outcomes.  

2. Classical probability can only handle events where each outcome is equally likely.

3. Classical probability is based on the assumption of linear relationship (which is not always true in real life) between the latent variable and observed scores.

Explanation:

a) Number of judges = 11

Number of judges in favor of FA film = 6

Number of judges in favor of FB film = 5

Probability of judges in favor of FA film = 6/11

Probability of judges in favor of FB film = 5/11

Random sample of judges = 5

Probability that out of five judges, three are in favor of film FA = 3/5 * 6/11

= 18/55

= 33%

b) Classical probability is the simple probability showing that each event has equal chance of happening.  It can be contrasted with empirical probability that is obtained from experiments.

a) The temperature change across an adiabatic turbine requires the partial derivative of temperature with respect to pressure at constant entropy.

b) The work of an adiabatic turbine is determined by the partial derivative of work with respect to entropy.

c) In an isothermal turbine with a specified pressure drop, the heat can be determined using the partial derivative of heat with respect to pressure at constant temperature.

d) In an isothermal turbine described by an equation of state, the equations for heat and work involve departure functions of properties.

a) To find the temperature change across an adiabatic turbine, the partial derivative of temperature with respect to pressure at constant entropy is needed:

$$\frac{\partial T}{\partial p}\bigg|_s$$

b) The partial derivative required to determine the work of an adiabatic turbine is:

$$\frac{\partial w}{\partial s}$$

c) For an isothermal turbine with a specified pressure drop, the partial derivative of heat with respect to pressure at constant temperature can be used:

$$\frac{\partial Q}{\partial p}\bigg|_T$$

d) In an isothermal turbine described by an equation of state, the equations for heat and work involve departure functions of properties. The equation for heat is:

$$\frac{Q}{RT}=\frac{dS}{d\eta}\bigg|_T-\frac{p}{RT}\left(\frac{\partial V}{\partial T}\right)_{\eta}$$

The equation for work is:

$$\frac{w}{RT}=-\frac{dV}{d\eta}\bigg|_T-\frac{p}{RT}\left(\frac{\partial V}{\partial T}\right)_{\eta}$$

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Answer:

  255

Explanation:

You want to know the number of other 21-byte files that can have the same sha-1 hash code as a given file.

The SHA-1 hash algorithm produces a 20-byte message digest for its input. That is, there can be 2^160 possible different digests.

There can be 2^(21·8) = 2^168 possible different 21-byte files, so any given hash code may be repeated for (2^168)/(2^160) = 2^8 different files.

2^8 -1 = 255 other files may have the same SHA-1 hash.

__

Additional comment

If there is some regularity in the file structure that prevents the hash codes from being uniformly distributed, then the number of files with the same digest may well exceed 256.

Given a file a that is 21 bytes in length, SHA-1 or SHA256  other 21-byte files will produce the same sha-1 hash.

What is Hash Function?

Any function that may be used to map data of any size to fixed-size values is referred to be a hash function, while some haveh functions also enable variable length output. Hash values, hash codes, digests, or just hashes are the names given to the results of a hash function.

The SHA-1 hash function generates a 160-bit hash value from an input. Since the number of possible inputs is significantly larger than the number of possible 160-bit hash values, there can be multiple inputs that produce the same hash value, known as a hash collision.

The exact number of 21-byte files that will produce the same SHA-1 hash as a is unknown and depends on the specific input and the properties of the SHA-1 hash function. However, it is widely believed that collisions can be found for SHA-1 with a practical effort, so it is generally not considered secure for cryptographic purposes.

In short, if MD5 isn't strong enough to prevent collisions, use a stronger hash. If the stronger hashes are too slow, use a fast hash with a low chance of collisions, like MD5. Then, to further lower the likelihood of a collision, use a slower hash, like SHA-1 or SHA256. However, if SHA256 is quick enough and the doubled space isn't an issue, you should probably use SHA256.

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Code:

firstNumber = 3

print('Ready')

for i in range(firstNumber, 0, -1):

   print(i)

print('Go!')

What is Code?
Code is a set of instructions written in a programming language that tells a computer how to perform a specific task. It is the foundation of modern computing and forms the basis of all software, applications, and websites. Code is written by a programmer who takes an abstract concept and translates it into a language that the computer can understand. Code is then compiled, or translated, into a program that can be executed by a computer, which then performs the task according to the instructions provided.

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Answer:

Reciprocating engines operate on the basis principle of converting fuel/chemical energy into mechanical energy.

Explanation:

These are piston engines that uses up and down motions of pistons to convert pressure into rotational motion. The common types of a reciprocating engines are :

The engine utilizes 4 processes to complete a cycle, which are;

These processes indicate that chemical energy in the fuel mixture is converted to mechanical energy causing motion.

Two technicians are discussing solder repair. Technician A says that solder should be applied to the soldering iron tip while soldering Technician B says that the solder should be applied to the wire joint while soldering. The correction technician is: "Both Technician A and B (Option C)

Soldering is a joining method that uses solder to bind several metals together. Solder is a metal alloy typically composed of tin and lead that is melted using a hot iron.

The iron is heated to a temperature above 600 degrees Fahrenheit before cooling to form a strong electrical connection. To put it another way, soldering is the process of uniting metal pieces to produce a mechanical or electrical link.

It commonly employs a low melting point metal alloy (solder), which is heated and applied to the metal pieces to be connected, and when the solder solidifies, it attaches to the metal parts and makes a connection.

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Full Question:

Two technicians are discussing solder repair. Technician A says that solder should be applied to the soldering iron tip while soldering Technician B says that the solder should be applied to the wire joint while soldering. Who is Correct?

Answer:

C. WordArt

Explanation:

WordArt feature of MS word is used for styling the text n order to make it look neater or more noticeable. These features are found in the top home menu. They feature text size, text style, text color, and options to make text bold, italic, underlined, etc. There are also many features to make text flashy, colorful, and add special effects. It can be shaded, neon, have shadows, etc.

Answer:

Pie piece?? i think

Explanation:

Stairs, ladders, or ramps are required at an elevation break of 19 inches or more.

This is to ensure the safety of those who use the facility, particularly people with disabilities. If there is a level change of more than 19 inches, it is suggested that a ramp or elevator be installed to make it more accessible. Ramps, ladders, and stairs are vital components of any building or construction that has an elevation break of 19 inches or more. Their function is to offer a secure and convenient way of accessing various floors within a facility, whether it's a residential or commercial structure.

The Americans with Disabilities Act (ADA) has laws that ensure that facilities are built to be accessible to individuals with disabilities. For instance, they provide guidelines on the minimum width of a ramp or the steepness of the stairs. This is to ensure that individuals who use a wheelchair or walker can easily navigate the building. If a building has an elevation break of more than 19 inches, then it is required to have a ramp that meets the guidelines of the ADA. This will make it easier for individuals with disabilities to move from one floor to the next.

Moreover, if the building is relatively large and has multiple floors, an elevator is recommended. The elevator will ensure that people with disabilities can quickly move around the building without any issues. In conclusion, stairs, ladders, or ramps are required at an elevation break of 19 inches or more. The ADA guidelines ensure that individuals with disabilities have access to all parts of the building. They stipulate the minimum width, height, and slope of a ramp, as well as the steepness of the stairs. When designing a building, it is crucial to consider these guidelines to make the facility accessible to all.

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Stairs, ladders, or ramps may be required at certain elevation breaks to ensure safe access between different levels.

In physics, when there is a change in elevation, stairs, ladders, or ramps may be required to provide a safe means of accessing different levels. The specific elevation break at which one of these options is required depedependsnds on various factors, such as the height and angle of the change in elevation, as well as any applicable building codes or regulations. For example, building codes may require the use of stairs for elevation breaks of a certain height, but ramps may be required for breaks above a certain threshold that accommodate individuals with mobility impairments.

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The basic building block of digital technology is the gate (Option c). It makes reference to logic gates.

A logic gate is a computer model that uses logical mathematical equations based on Boolean function.

A logic gate can be considered as a unit block for all used types of digital devices and/or circuits.

Digital technologies use logic gates that allow them to perform different functions (digital functions).

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Answer:

2)

a)  to the right of the dipole    E_total = kq [1 / (r + a)² - 1 / r²]

b)To the left of the dipole      E_total = - k q [1 / r² - 1 / (r + a)²]

c) at a point between the dipole, that is -a <x <a  

      E_total = kq [1 / x² + 1 / (2a-x)²]

d) on the vertical line at the midpoint of the dipole (x = 0)

E_toal = 2 kq 1 / (a ​​+ y)² cos θ

Explanation:

2) they ask us for the electric field in different positions between the dipole and a point of interest. Using the principle of superposition.

This principle states that we can analyze the field created by each charge separately and add its value and this will be the field at that point

Let's analyze each point separately.

The test charge is a positive charge and in the reference frame it is at the midpoint between the two charges.

a) to the right of the dipole

The electric charge creates an outgoing field, to the right, but as it is further away the field is of less intensity

           E₊ = k q / (r + a)²

where 2a is the distance between the charges of the dipole and the field is to the right

the negative charge creates an incoming field of magnitude

           E₋ = -k q / r²

The field is to the left

therefore the total field is the sum of these two fields

           E_total = E₊ + E₋

           E_total = kq [1 / (r + a)² - 1 / r²]

we can see that the field to the right of the dipole is incoming and of magnitude more similar to the field of the negative charge as the distance increases.

b) To the left of the dipole

The result is similar to the previous one by the opposite sign, since the closest charge is the positive one

E₊ is to the left and E₋ is to the right

          E_total = - k q [1 / r² - 1 / (r + a)²]

We see that this field is also directed to the left

c) at a point between the dipole, that is -a <x <a

In this case the E₊ field points to the right and the E₋ field points to the right

                      E₊ = k q 1 / x²

                      E₋ = k q 1 / (2a-x)²

                      E_total = kq [1 / x² + 1 / (2a-x)²]

in this case the field points to the right

d) on the vertical line at the midpoint of the dipole (x = 0)

    In this case the E₊ field points in the direction of the positive charge and the test charge

    in E₋ field the ni is between the test charge and the negative charge,

the resultant of a horizontal field in zirconium on the x axis (where the negative charge is)

                      E₊ = kq 1 / (a ​​+ y) 2

                      E₋ = kp 1 / (a ​​+ y) 2

                      E_total = E₊ₓ + E_{-x}

                      E_toal = 2 kq 1 / (a ​​+ y)² cos θ

e) same as the previous part, but on the negative side

                        E_toal = 2 kq 1 / (a ​​+ y)² cos θ

When analyzing the previous answer there is no point where the field is zero

The different configurations are outlined in the attached

3) We are asked to repeat part 2 changing the negative charge for a positive one, so in this case the two charges are positive

a) to the right

in this case the two field goes to the right

           E_total = kq [1 / (r + a)² + 1 / r²]

b) to the left

            E_total = - kq [1 / (r + a)² + 1 / r²]

c) between the two charges

E₊ goes to the right

E₋ goes to the left

            E_total = kq [1 / x² - 1 / (2a-x)²]

d) between vertical line at x = 0

E₊ salient between test charge and positive charge

           E_total = 2 kq 1 / (a ​​+ y)² sin θ

In this configuration at the point between the two charges the field is zero

Answer:

Explanation:

Profile photo for Rosie Milojevic

Rosie Milojevic, Business Development at iComplied

Answered 3 years ago

For those who run or work in a business that handles food, you understand the importance of food safety and regulation compliance as it pertains to not only to certification and licensing of a company, but also the life or death of those who consume the products. Because food safety is such an important issue, we want to ensure that all companies who work in the production, preparation, or processing of food have the tools and information they need to ensure they are in full compliance 100% of the time. One slip in food safety compliance could cost someone their health or life, and this information spreads mistrust in the general public toward the company who sold the product, and also the entire product across companies throughout an entire country and beyond. So how does each company working with food ensure they comply with each and every food safety regulation? Through excellent auditing tools.

Auditing in Food Safety Must Change

Auditing in food safety compliance is essential in ensuring that all regulations are being complied with. Most auditing practices for major companies are severely out of date. Many rely on several different forms, stacks of paperwork, and data stored on multiple different computers and databases. This is incredibly inefficient, as it can be easy to miss something when comparing one sheet to the next, and paper can easily be lost or destroyed. It is also time consuming for companies to share audits over separate computers and databases, as it must be passed down from one employee to the next. Technology has granted all food safety compliance managers a simple solution. Auditing apps are the new wave solutions for companies who want all of their data stored on one cloud database that is instantly accessible with real-time data for all employees. This means that no one ever gets left out of the loop, and no new information will fall through the cracks.

Answer:

a) \(\mathbf{Q_c = -3730.8684 \ Btu/hr}\)

b) \(\mathbf{\sigma _c = 4.3067 \ Btu/hr ^0R}\)

Explanation:

From the properties of Super-heated Refrigerant 134a Vapor at \(T_1 = 40^0 F\), \(P_1 = 30 \ lbf/in^2\) ; we obtain the following properties for specific enthalpy and specific entropy.

So; specific enthalpy \(h_1 = 109.12 \ Btu/lb\)

specific entropy \(s_1 = 0.2315 \ Btu/lb.^0R\)

Also; from the properties of saturated Refrigerant 134 a vapor (liquid - vapor). pressure table at \(P_2 = 160 \ lbf/in^2\) ; we obtain the following properties:

\(h_2 = 115.91 \ Btu/lb\\\\ s_2 = 0.2157 \ Btu/lb.^0R\)

Given that the power input to the compressor is 2 hp;

Then converting to  Btu/hr ;we known that since 1 hp = 2544.4342 Btu/hr

2 hp = 2 × 2544.4342 Btu/hr

2 hp = 5088.8684 Btu/hr

The steady state energy for a compressor can be expressed by the formula:

\(0 = Q_c -W_c+m((h_1-h_e) + \dfrac{v_i^2-v_e^2}{2}+g(\bar \omega_i - \bar \omega_e)\)

By neglecting kinetic and potential energy effects; we have:

\(0 = Q_c -W_c+m(h_1-h_2) \\ \\ Q_c = -W_c+m(h_2-h_1)\)

\(Q_c = -5088.8684 \ Btu/hr +200 \ lb/hr( 115.91 -109.12) Btu/lb \\ \\\)

\(\mathbf{Q_c = -3730.8684 \ Btu/hr}\)

b)  To determine the entropy generation; we employ the formula:

\(\dfrac{dS}{dt} =\dfrac{Qc}{T}+ m( s_1 -s_2) + \sigma _c\)

In a steady state condition \(\dfrac{dS}{dt} =0\)

Hence;

\(0=\dfrac{Qc}{T}+ m( s_1 -s_2) + \sigma _c\)

\(\sigma _c = m( s_1 -s_2) - \dfrac{Qc}{T}\)

\(\sigma _c = [200 \ lb/hr (0.2157 -0.2315) \ Btu/lb .^0R - \dfrac{(-3730.8684 \ Btu/hr)}{(40^0 + 459.67^0)^0R}]\)

\(\sigma _c = [(-3.16 ) \ Btu/hr .^0R + (7.4667 ) Btu/hr ^0R}]\)

\(\mathbf{\sigma _c = 4.3067 \ Btu/hr ^0R}\)

Note that dosage of coagulants is based on viscosity of water. (Option D)

The dosage of coagulants that is administered must always be based on  various factors. Some of them are:

Note that temperature may also affect the dosage because if the water is cold or the lower the temperature, the higher the dosage required.

Thus, it is correct to state that that dosage of coagulants is based on viscosity of water. (Option D)

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Answer:

a) Mt = 0.0023229

b) = U1 = 214.07

c) = V₁  = 0.861 m³/kg

d) = Vr1 = 621.2

Explanation:

Given that

R = 0.287 KJ/kg.K, T1 = 300 K , P1 = 100 kPa , V1 = 500 cm³, r = 10 , Q = 60 kW , Speed N = 5600 RPM, Number of cylinders K = 4

specific heat at constant volume Cv = 0.7174 kJ/kg.K

Specific heat at constant pressure is 1.0045 Kj/kg.K

a)  To determine the total mass (kg) of air in the engine.

we say

P1V1 = mRT1

we the figures substitute

(100 x 10³) ( 500 x  10⁻⁶) = m ( 0.287 x  10³) ( 300 )

50 = m x 86100

m = 0.00005 / 86100 = 0.0005807 ( mass of one cylinder)

Total mass of 4 cylinder

Mt = m x k

Mt = 0.0005807 x 4

Mt = 0.0023229

b) To determine the specific internal energy (kJ/kg) at state 1

i.e at T1 = 300

we obtain the value of specific internal energy U1 at 300 K ( state 1) from the table ideal gas properties of air.

U1 = 214.07

c) To determine the specific volume (m³/kg) at state 1.

we say

V₁ = V1/m

V₁ = (500 x  10⁻⁶) / 0.0005807

V₁  = 0.861 m³/kg

d) To determine the relative specific volume at state 1.

To obtain the value of relative specific volume at 300 K ( i.e state 1) from the table ideal gas properties of air.

At T1 = 300 k

Vr1 = 621.2

The following code can be used to toggle B4 every 2ms.

Prescaling is 64 and the oscillator frequency is 16MHz:

CALL delay PORTB, 4 CALL delay JMP loop delay:

LDI R16, TCNT1H, R16 LDI R16, TCNT1L, R16 LDI R16, TCCR1A, R16 LDI R16, TCCR1B, R16 again:

LDI R16, TIFR1, R16 SBIS TIFR1, TOV1 RJMP again JMP exit exit:

RET delay:

LDI R26, 90 LDI R27, 88

delay_loop: DEC R27 BRNE delay_loop DEC R26 BRNE delay_loop RET

The code block given here is in assembly language which is used to toggle B4 every 2ms. Here the port B, pin 4 is toggled with the help of delay subroutine which is responsible for creating a delay. This delay is then used to toggle the pin after 2ms.

The delay routine is a subroutine which contains a delay loop and a RET statement. The delay loop is used to create the desired delay and the RET statement is used to return from the subroutine.In order to toggle the B4, the delay subroutine is called twice with the help of CALL statement.

This CALL statement is used to call the delay subroutine twice with the help of PORTB,4. The delay routine is then called again with the help of JMP statement, and this is done until the desired delay is achieved.This is how you can toggle B4 every 2ms using assembly language.

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Answer:

(1). False, (2). True, (3). False, (4). False, (5). True.

Explanation:

The term ''contouring'' in this question does not have to do with makeup but it has to deal with the measurement of all surfaces in planes. It is a measurement in which the rough and the contours are being measured. So, let us check each questions again.

(1). In contouring, it is necessary to measure position and not velocity for feedback.

ANSWER : b =>False. IT IS NECESSARY TO MEASURE BOTH FOR FEEDBACK.

(2). In contouring during 2-axis NC machining, the two axes are moved at the same speed to achieve the desired contour.

ANSWER: a=> True.

(3). Job shop is another term for process layout.

ANSWER: b => False

JOB SHOP IS A FLEXIBLE PROCESS THAT IS BEING USED during manufacturing process and are meant for job Production. PROCESS LAYOUT is used in increasing Efficiency.

(4). Airplanes are normally produced using group technology or cellular layout.

ANSWER: b => False.

(5). In manufacturing, value-creating time is greater than takt time.

ANSWER: a => True.

Answer:

The correct answer is C. 22.80 VDC.

The equation for calculating the voltage across a capacitor in an RC circuit in its third time constant is given by Vc = 24 x (1 - e^(-3)), where Vc is the voltage across the capacitor and 24 is the supply voltage.

Plugging these values into the equation gives us a result of 22.80 VDC.

In an operating air conditioning system, the refrigerant undergoes two physical states - gas and liquid.

The refrigerant starts as a low-pressure gas in the evaporator coil, where it absorbs heat from the surrounding air and evaporates, transforming into a high-pressure, high-temperature gas.

It then travels to the condenser coil, where it releases heat to the outside air and condenses back into a liquid state.

This cycle allows for the efficient transfer of heat and cooling within the air conditioning system.

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The speed of a 1/40th scale model of the plane would need to be approximately 40 times the speed of the real plane.

What is Speed?
Speed is the rate at which an object moves or changes its position over a period of time. It is measured in terms of distance travelled per unit of time and is usually expressed in metres per second (m/s). Speed is a scalar quantity and is the magnitude of velocity, which is a vector quantity. Speed can be determined by measuring the distance an object travels over a given period of time. Speed can also be determined by measuring the rate at which an object's position changes over a period of time. For example, if an object travels a distance of two metres in one second, its speed is two metres per second.

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