What is the motivation behind dilated convolution (also called atrous convolution) as compared to traditional convolution in deep networks?Choice 1 of 4:Dilated convolution leads to larger receptive fields without using more parameters than traditional convolution.Choice 2 of 4:Dilated convolution is faster than traditional convolution.Choice 3 of 4:Dilated convolution is "residual" and mitigates the vanishing gradient problem.Choice 4 of 4:Dilated convolution is applicable to unordered point clouds unlike traditional convolution.

Answers

Answer 1

The motivation behind dilated convolution in deep networks is that it leads to larger receptive fields without using more parameters than traditional convolution. Choice 1 is the correct answer.

Dilated convolution, also known as atrous convolution, is a technique used in deep neural networks to increase the receptive field of a convolutional layer without increasing the number of parameters. This allows the network to capture larger spatial information while maintaining a reasonable number of parameters, which is particularly useful in image segmentation and other computer vision tasks.

By contrast, traditional convolution has a fixed receptive field determined by the kernel size, which can limit the network's ability to capture global context. Therefore, dilated convolution can be seen as an extension of traditional convolution that provides a more powerful and flexible tool for image analysis.

Choice 1 is the correct answer.

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Related Questions

The following is a dump of a udp header in hexadecimal format. 0632000d 001ce217 a. what is the source port number? b. what is the destination port number? c. what is the total length of the user datagram? d. what is the length of the data? e. is the packet directed from a client to a server or vice versa? f. what is the client process?

Answers

The source port number of the dump given above is 1586. The destination port number is given below.

What is the destination port number?

The destination port number is given as 000DH = 13. Destination port number is determined by running the following command in the Command Prompt: netstat-a

Then you hit the enter button.

What is the total length of the user datagram?

The total length of the datagram is given as 001CH = 28 bytes. Datagram is a form of message that is self-contained, that is relayed over the network. It must be noted that it's content cannot be guaranteed.

What is the length of the data?

The length of the data is 20 bytes. This is arrived at by computing the following:

Data Lenght - Header

= 28 - 8

= 20bytes.

Is the packet directed from a client to a server or vice versa?

It is to be noted that the packet is directed from the client to the sever.

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The denity of a certain type of jet fuel i 775 kg/m3. Determine it pecific gravity and pecific weight

Answers

The correct answer is Specific weight: w = [weight ÷ volume] = [9N ÷ 0.001m³] = 9000N/m³Density: w = [ × g] Where, g = acceleration due to gravity = 9.81m/sec². Specific gravity: G = [density of liquid ÷ density of water] As you know, The density of water = 1000kg/m³.

The density of a substance is divided by the density of water at 4 degrees Celsius to determine its specific gravity. The density of the substance and the density of the water must be represented in the same units for the calculation.distinguishes  While specific weight has dimensions, specific gravity is a dimensionless number. The gravitational field has no effect on a material's specific gravity, but it does have an effect on a material's specific weight. A substance's "Specific Gravity" is determined by dividing its mass by the mass of an equivalent volume of water at the same pressure and temperature.

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In order to avoid slipping in the shop, your footwear should ___________.

(This is for my automotive class by the way)

Answers

Answer:

good shoes

Explanation:

yes

machine breakdown and repair in a twelve-machine factory having one repair mechanic would represent which type of queuing system line structure?

Answers

Queuing theory is a mathematical approach used to study waiting lines or queues. It involves analyzing the arrival rate of customers, service rate, and the number of servers to determine the efficiency of a queuing system. One important aspect of queuing theory is the line structure of a system.

In the given scenario, a twelve-machine factory has only one repair mechanic. This means that the system has one server to attend to the breakdowns and repairs of all the machines. The arrival rate of machines that require repair is not specified in the question. However, we can assume that the arrival rate is unpredictable and can vary over time. The repair time of each machine is also not specified, but it is safe to assume that the repair time of each machine is constant and that the mechanic can work on only one machine at a time. Based on this information, we can say that the queuing system line structure in this scenario is a single-server, multiple queue system. The breakdowns and repairs of the machines represent the arrival process, and the mechanic represents the server. The machines waiting for repair form a queue, and the mechanic serves them one at a time.

In conclusion, the queuing system line structure in a twelve-machine factory with one repair mechanic is a single-server, multiple queue system. This means that the machines waiting for repair form a queue, and the mechanic serves them one at a time. Understanding the line structure of a queuing system is important in determining the efficiency of the system and making improvements where necessary.

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3. Of the following answers, which is NOT a way for employees to control exposure routes?

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There are a lot of ways employees uses in controlling exposure routes.  But when risk assessment is not be performed is not a part of the control methods.

What are the three ways to  control workplace hazards?

The ways to control workplace hazards are known to be means taken to ensure safety in the workplace.

The examples are:

The use a hazard control plan to know, select and implement controls. Looking into the efficiency of existing controls, and creating plans with measures to protect workers in case of emergencies and nonroutine activities, etc.

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Describe how to contribute to
zero/low carbon work outcomes
within the built environment.

Answers

Answer:

day if you workout without Zero billing that means you're not sweating. Sweating you're not losing anything that means you have zero outcomes

Explanation:

Assume quicksort always chooses a pivot that divides the elements into two equal parts.
1. How many partitioning levels are required for a list of 8 elements?
2. How many partitioning "levels" are required for a list of 1024 elements?
3. How many total comparisons are required to sort a list of 1024 elements?

Answers

Assuming quicksort always chooses a pivot that divides the elements into two equal parts, the answers are:
1. The number of partitioning levels required for a list of 8 elements is 3.
2. The number of partitioning levels required for a list of 1024 elements is 10.
3. The total number of comparisons required to sort a list of 1024 elements is 9217.

Step-by-step explanation:

1. For a list of 8 elements with an ideal pivot that divides the elements into two equal parts, the number of partitioning levels required is 3. Here's a step-by-step explanation:
- Level 1: 8 elements are divided into 2 groups of 4 elements each.
- Level 2: Each group of 4 is divided into 2 groups of 2 elements each.
- Level 3: Each group of 2 is divided into 2 groups of 1 element each (sorted).

2. For a list of 1024 elements with an ideal pivot that divides the elements into two equal parts, the number of partitioning levels required is 10. This is because 2^10 = 1024. In each level, the number of elements in each group is halved, so after 10 levels, there will be groups of 1 element each (sorted).

3. To calculate the total number of comparisons required to sort a list of 1024 elements using quicksort with an ideal pivot, we can use the formula n * log2(n) - n + 1.

In this case, n = 1024:
- 1024 * log2(1024) - 1024 + 1 = 1024 * 10 - 1024 + 1 = 10240 - 1024 + 1 = 9217.
So, a total of 9217 comparisons are required to sort a list of 1024 elements with an ideal pivot.

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If quicksort always chooses a pivot that divides the elements into two equal parts, then we can assume that the algorithm will use the median element as the pivot.

1. For a list of 8 elements, quicksort with this assumption will require 3 partitioning levels. The first partitioning will divide the list into two equal parts, each with 4 elements. The second partitioning will divide each of these parts into two equal parts, each with 2 elements. Finally, the third partitioning will divide each of these parts into two equal parts, each with 1 element. 2. For a list of 1024 elements, quicksort with this assumption will require 10 partitioning levels. Each level will divide the list into two equal parts, and since 2^10 = 1024, we need 10 levels to reduce the list to single elements. 3. The total number of comparisons required to sort a list of 1024 elements using quicksort with this assumption can be calculated using the formula 1024 * log2(1024), which is approximately 10,240 comparisons. This is because each level of partitioning requires comparisons between each element and the pivot, and there are a total of 10 levels of partitioning.

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me that both a triaxial shear test and a direct shear test were performed on a sample of dry sand. When the triaxial test is performed, the specimen was observed to fail when the major and minor principal stresses were 100 lb/in2 and 20 lb/in2, respectively. When the direct shear test is performed, what shear strength can be expected if the normal stress is 3000 lb/ft2

Answers

Answer:

shear strength = 2682.31 Ib/ft^2

Explanation:

major principal stress = 100 Ib / in2

minor principal stress = 20 Ib/in2

Normal stress = 3000 Ib/ft2

Determine the shear strength when direct shear test is performed

To resolve this we will apply the coulomb failure criteria relationship between major and minor principal stress a

for direct shear test

use Mohr Coulomb criteria relation between normal stress and shear stress

Shear strength when normal strength is 3000 Ib/ft  = 2682.31 Ib/ft^2

attached below is the detailed solution

me that both a triaxial shear test and a direct shear test were performed on a sample of dry sand. When

The velocity ratio of a chain drive is 10. The diameter of the input sheave is 38 cm and it is rotating at a speed of 22 rad⁄s. Find the diameter of the output sheave and its angular velocity

Answers

In a chain drive, the velocity ratio is the ratio of the output velocity to the input velocity. It is denoted by the symbol V.R. The formula for velocity ratio is V.R. = output velocity/input velocity.In this problem, the velocity ratio of the chain drive is given as 10.

Therefore, the output velocity is 10 times the input velocity. The diameter of the input sheave is 38 cm and it is rotating at a speed of 22 rad/s. To find the diameter of the output sheave and its angular velocity, we need to use the formula for velocity ratio and the formula for linear velocity.Linear velocity is the velocity of a point on a rotating object.

It is given by the formula v = ωr, where v is the linear velocity, ω is the angular velocity, and r is the radius or distance of the point from the axis of rotation.Velocity ratio = Output velocity/Input velocityV.R. = ω2r2/ω1r1Where ω1 is the angular velocity of the input sheave, r1 is the radius of the input sheave, ω2 is the angular velocity of the output sheave, and r2 is the radius of the output sheave.

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Two stepped bar is supported at both ends.At the join point of two segments,the force F is applied(downwards).Calculate reactive forces R1 and R3 at the supports.What is value of absolute maximal stress?
Choose one answer nearest your result.

given= d1=10mm d2=20mm L1=20mm L2=10mm E=200GPa F=20kN

Two stepped bar is supported at both ends.At the join point of two segments,the force F is applied(downwards).Calculate

Answers

Answer:

F=200kN

Explanation:

3.1 Distinguish between the human and engineering approaches to
loss prevention. (12)

Answers

The human approach focuses on staff awareness, training, and personal responsibility to minimize the probability of mistakes and risk-taking.

The engineering approach utilizes protective equipment, engineered designs, and automatic equipment to minimize accidents and losses.

The two methodologies: human and engineering approaches to loss prevention both aim to minimize and manage risk. However, there are some distinct differences in their approaches to reducing loss. Below are the details of the human and engineering approaches to loss prevention:

The human approach, also known as the behavioral approach, acknowledges that human error plays a significant role in accidents and losses. It recognizes the unpredictability of human behavior, making it challenging to anticipate and manage compared to system-generated problems. Therefore, the human approach emphasizes the development of staff awareness, training, and personal responsibility as strategies to minimize the likelihood of mistakes and risk-taking.

On the other hand, the engineering approach emphasizes that accidents and losses can be reduced through the implementation of protective equipment, engineered designs, and automatic equipment. Engineering solutions involve designing systems, structures, and equipment that minimize the chances of accidents or injuries. By providing multiple layers of protection, engineering measures aim to minimize human errors, enhance security, and improve the overall operational environment.

In conclusion, both the human and engineering approaches offer different solutions to loss prevention. The choice of the most effective approach depends on the specific circumstances and issues faced by a company. However, integrating both methods is generally considered the best approach. By incorporating human factors such as staff training and communication into the engineering design, an effective safety culture can be established.

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Wastewater flows into a _________ once it is released into a floor drain.
A) HoseB) Covered containerC) Sump pitD) Bucket

Answers

Answer:

a

Explanation:

Wastewater flows into a sump pit once it is released into a floor drain.

For better understanding, lets understand what wastewater means

Wastewater are water that are not needed or have been use and therefore they are disposed. Waster water often contains waste product of man such as food waste,feaces etc.Sump is simply known as a basin into which groundwater is channeled to. A sump pit is commonly known as a temporary pit that is fixed to trap and filter water for carrying or pumping into a design discharge area.

From the above, we can therefore say that the answer that Wastewater flows into a sump pit once it is released into a floor drain is correct

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For 11.20 kg of a magnesium-lead alloy of composition 30 wt% Pb-70 wt% Mg, is it possible, at equilibrium, to have α and Mg2Pb phases having respective masses of 7.39 kg and 3.81 kg? If so, what will be the approximate temperature of the alloy? If such an alloy is not possible, explain why.

Answers

Answer:

Maximum concentration for Pb is only 41%. we get 64.3% which exceeds the maximum concentration. Therefore it is not possible.

Explanation:

let's first determine the mass fraction of the phases as follows

\(W_{a}=\frac{m_{a} }{m_{a}+m_{p_{g2}p_{b} } }\)

Given that masses are \(m_{a}=7.39kg\) and \(m_{p_{g2}p_{b} }=3.81kg\)

Thus, \(W_{a} =\frac{7.39}{7.39+3.81}=0.659\)

\(W_{M_{g2Pb} } =1-W_{a}=1-0.659=0.341\)

Now determine the concentration

\(W_{a}=\frac{C_{0}-C_{a} }{C_{b}-C_{a} }\)

At 81% PB and 70% Pb only point at which \(M_{g2Pb}\) exists, we can solve

\(0.659=\frac{70-81}{C_{b}-81 }\)

\(C_{b}=\)64.3%

Refer text book page no. 326, figure 9.20, from figure we can say maximum concentration for Pb is only 41%. we get 64.3% which exceeds the maximum concentration.

A horizontal force P is applied to a 130 kN box resting on a 33 incline. The line of action of P passes through the center of gravity of the box. The box is 5m wide x 5m tall, and the coefficient of static friction between the box and the surface is u=0.15. Determine the smallest magnitude of the force P that will cause the box to slip or tip first. Specify what will happen first, slipping or tipping.

A horizontal force P is applied to a 130 kN box resting on a 33 incline. The line of action of P passes

Answers

Answer:

SECTION LEARNING OBJECTIVES

By the end of this section, you will be able to do the following:

Distinguish between static friction and kinetic friction

Solve problems involving inclined planes

Section Key Terms

kinetic friction static friction

Static Friction and Kinetic Friction

Recall from the previous chapter that friction is a force that opposes motion, and is around us all the time. Friction allows us to move, which you have discovered if you have ever tried to walk on ice.

There are different types of friction—kinetic and static. Kinetic friction acts on an object in motion, while static friction acts on an object or system at rest. The maximum static friction is usually greater than the kinetic friction between the objects.

Imagine, for example, trying to slide a heavy crate across a concrete floor. You may push harder and harder on the crate and not move it at all. This means that the static friction responds to what you do—it increases to be equal to and in the opposite direction of your push. But if you finally push hard enough, the crate seems to slip suddenly and starts to move. Once in motion, it is easier to keep it in motion than it was to get it started because the kinetic friction force is less than the static friction force. If you were to add mass to the crate, (for example, by placing a box on top of it) you would need to push even harder to get it started and also to keep it moving. If, on the other hand, you oiled the concrete you would find it easier to get the crate started and keep it going.

Figure 5.33 shows how friction occurs at the interface between two objects. Magnifying these surfaces shows that they are rough on the microscopic level. So when you push to get an object moving (in this case, a crate), you must raise the object until it can skip along with just the tips of the surface hitting, break off the points, or do both. The harder the surfaces are pushed together (such as if another box is placed on the crate), the more force is needed to move them.

Technician a says that diesel engines can produce more power because air in fuel or not mix during the intake stroke. Technician be says that diesel engines produce more power because they use excess air to burn feel who is correct

Answers

Answer:

Technician be says that diesel engines produce more power because they use excess air to burn feel who is correct

Explanation:

He is correct as many engines are run by diesel. It produces more power as that is how cars produce more power.

genetic engineering is possible because the genetic code of all organisms is based on the same _______________. however, all attempts to genetically engineer new organisms are not successful.

Answers

Answer:

DNA

Explanation:

Assume 4 identical peptide chains assemble into a single
sheet.
a) Each peptide has 8 residues, and each residue can take on 3 conformations independently
when the peptide is free (before assembly). The assembled peptides have no conformational
degree of freedom (W=1).
b) 25 h-bonds are formed in the assembled structure, with each h-bond contributing Δ = -3.00
kJ/mol in stabilizing the assembly.
c) 30% of all residues are hydrophobic (HP) and each of the HP residue have 3 water molecules
in contact when the peptide is free. All these water molecules will be release into bulk upon
assembly and water configuration increases when they move from the HP residue to bulk
water (

= 4). We are ignoring the translational and rotational entropy change during
the assembly.
Please compute the standard state
,
,
and
of the assembly process.
The “Δ" means (assembly – free). Use T=300.0 K. Round the S (kJ/mol/K) to 3 decimal places. H
and G (kJ/mol) to 1 decimal place.

I think I got the enthalpy but I'm not sure on the entropies

Answers

Note that the standard state values are ΔG = -2.63 kJ/mol, ΔH = 75.0 kJ/mol, and ΔS = -0.215 J/mol/K.

What is the explanation for the above response?

To calculate the standard state ΔG, ΔH, and ΔS of the assembly process, we need to use the following equations:

ΔG = ΔH - TΔS

ΔS = ΔS_sys + ΔS_surr

ΔS_sys = R ln (W_f / W_i)

ΔS_surr = -ΔH / T

where R is the gas constant (8.314 J/mol/K), T is the temperature in Kelvin, W_f and W_i are the final and initial states' probabilities, respectively.

a) The initial state has 4 peptides in free form with 3 conformations each. Thus, W_i = 3^32^4. The final state has a single sheet with W_f = 1. Therefore, ΔS_sys = R ln (1 / (3^32^4)) = -36.732 J/mol/K.

b) The enthalpy change ΔH is given as -25 h-bonds * (-3.00 kJ/mol/h-bond) = 75.0 kJ/mol.

c) For each of the 84=32 residues, there are 30% hydrophobic, which is 9.6 HP residues. Each HP residue has 3 water molecules, so there are 39.6=28.8 water molecules released. The water configuration increases by a factor of 4 when moving from HP residue to bulk water, so ΔS_sys = R ln (4^28.8) = 283.295 J/mol/K.

Using the values of ΔH and ΔS_sys, we can now calculate the standard state ΔG as:

ΔG = ΔH - TΔS

= 75.0 kJ/mol - (300 K * 283.295 J/mol/K)

= -2.63 kJ/mol

Therefore, the standard state values are ΔG = -2.63 kJ/mol, ΔH = 75.0 kJ/mol, and ΔS = -0.215 J/mol/K.

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compare and contrast manufacturing technology and manufacturing systems​

Answers

Manufacturing technology and manufacturing systems are two related but distinct concepts in the field of manufacturing. Here are some comparisons and contrasts between the two:

Manufacturing technology:
- Refers to the tools, equipment, and processes used in the production of goods
- Includes machines, tools, robots, computer-aided design (CAD) and computer-aided manufacturing (CAM) software, and other technologies
- Focuses on the technical aspects of manufacturing, such as how to design and operate machines and processes to produce goods with high quality and efficiency
- Can be used in a wide variety of manufacturing settings and industries

Manufacturing systems:
- Refers to the organization and management of the production process
- Includes planning, scheduling, inventory management, quality control, and other activities involved in producing goods
- Focuses on the coordination and integration of different resources and activities to ensure that the production process runs smoothly and efficiently
- Can be tailored to specific manufacturing environments, such as mass production, batch production, or customized production

Comparisons:
- Both manufacturing technology and manufacturing systems are important components of modern manufacturing.
- Both aim to improve the efficiency, quality, and flexibility of the production process.
- Both involve the use of advanced technologies and methodologies to achieve these goals.

Contrasts:
- Manufacturing technology focuses on the technical aspects of the production process, while manufacturing systems focus on the organizational and managerial aspects.
- Manufacturing technology is concerned with the design and operation of machines and processes, while manufacturing systems are concerned with the overall coordination and integration of resources and activities.
- Manufacturing technology can be used in a variety of settings and industries, while manufacturing systems are tailored to specific production environments.

In summary, manufacturing technology and manufacturing systems are both essential components of modern manufacturing, but they differ in their focus and scope. While manufacturing technology focuses on the technical aspects of the production process, manufacturing systems focus on the organization and management of the production process. Both are important for improving efficiency, quality, and flexibility in manufacturing.

Q#1: Provide an example of a software project that would be amenable to the following models. Be specific. a. Waterfall b. Prototype c. Extreme Programming

Answers

Answer:

Waterfall model

Explanation:

The waterfall model is amenable to the projects. It focused on the data structure. The software architecture and detail about the procedure. It will interfere with the procedure. It interfaces with the characterization of the objects. The waterfall model is the first model that is introduced first. This model also called a linear sequential life cycle model.

The waterfall model is very easy to use. This is the earliest approach of the SDLC.

There are different phase of the waterfall:

Requirement analysisSystem DesignImplementationTestingDeploymentMaintenance

1 Define the following technical terms: A) Sewage Factor B) Connection Factor C) Infiltration Coe. D) Design Period E) Drop Manhole F) Self Cleansing velocity 2 Which factors do affect on water demand

Answers

A) Sewage Factor: It represents the proportion of water inflow that is expected to be discharged as sewage. It is used in the design of sewer systems to estimate the quantity of sewage flow that will be generated.

B) Connection Factor: It represents the percentage of buildings or properties that are expected to connect to a sewer system. It is used in the design of sewer systems to estimate the total number of connections that will be made to the system.

C) Infiltration Coefficient: It represents the rate at which water enters a sewer system through cracks, joints, and other defects in pipes. It is used in the design of sewer systems to estimate the volume of infiltration that will occur during wet weather conditions.

D) Design Period: It is the length of time for which a particular engineering project is designed to function effectively. For example, in the case of water supply systems, the design period may be 20-30 years, during which the system is expected to meet the water demand requirements of the users.

E) Drop Manhole: It is a type of manhole that is constructed at a location where the sewer pipe changes direction from a horizontal to a vertical alignment. The purpose of a drop manhole is to reduce the velocity of the sewage flow and prevent damage to the downstream sewer structures.

F) Self Cleansing Velocity: It is the minimum velocity required in a sewer pipe to prevent the deposition of solids and ensure the self-cleansing of the pipe. A value of twice the average velocity is commonly used as the self-cleansing velocity.

The factors that affect water demand include population size, economic activity, climate, lifestyle, and water pricing policies. Changes in any of these factors can influence the level of water demand in a given area. For example, an increase in population size or economic activity can lead to a higher demand for water, while the implementation of water conservation measures can reduce water demand.

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what is magnetization​

Answers

Answer:described by direction and is either Axial or Diametric

Explanation:

Answer:

Magnetization is the density of magnetic dipole moments that are induced in a magnetic material when it is placed near a magnet.

When choosing a respirator for your job, you must conduct a _____ test.

A) Fit B) Practice C) Breathing D) Weight?

Answers

Answer:

Fit test

Explanation:

it's on the automotive technology sight : )

who is the strongest avenger i say hulk but who knows at this point

Answers

Answer:

or is the strongest evenger she hulk

Explanation:

?????????

Answer:

Thor!

Explanation:

In Thor: Ragnarok he beat the Hulk in order for Hulk to win thor had to be electrocuted and in Avengers: Endgame Thor is seen holding open the  "Floodgates" and withstanding the radiation from a dying star, also the fact that Thor is a god means that he is all powerful and the rightful heir to the throne to Asgard, plus the fact that he has defeated Loki multiple times a feat that not even the Hulk has done.

we wish to design a closed circuit supersonic wind tunnel that produces a mach 2.8 flow at standard sea level conditions in the test section and has a mass flow rate of air of 15 kg/s. calculate the necessary reservoir pressure and temperature, the nozzle throat area, the test section area, and the diffuser throat area. assume a worst case stagnation pressure loss in the test section based on a normal shock.

Answers

How fast is the fastest wind tunnel?

The JF-22 wind tunnel, which would be the fastest in the world, would be situated in the Huairou District of northern Beijing and be capable of simulating flights at speeds of up to 10 km/s, or 30 times the speed of sound.

What is wind tunnel?They measure conditions that affect aircraft and other equipment, such as elevation, drag, shockwaves, and others. that speed against the wind. Additionally, those tunnels can assist engineers in figuring out how wind interacts with stationary objects like buildings and bridges and finding ways to strengthen and make them safer.

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is a term used to refer to the distance between structural
supports such as walls, columns, piers, beams, or girders. Fill in the blank.
Submit answer

Answers

The distance between structural supports such as walls, columns, piers, beams, or girders

What term guides to the distance between structural supports?

Span – The distance between structural supports such as walls, columns, ports, girders, and trusses.

What is the structural member of a floor system called?

A joist is a horizontal structural component used in framing to span an open space, often between beams that subsequently move loads to vertical members. When incorporated into a floor framing system, joists serve to provide immobility to the subfloor sheathing, permitting it to function as a horizontal diaphragm.

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Using the table below, draw the network diagram and answer the questions. 1. How many paths are in the network, and what are they? (1 mark) 2. What is the critical path and its duration? (1 mark) 3. What is the float on activity U? (1 mark) 4. What is the impact to the project if activity B takes three weeks longer than planned? (1 mark) Activity Predecessor Estimate in Weeks Start - 0 C Start 6 B Start 4 P Start 3 A C,B,P 7 U P 4 T A 2 R A 3 N U 6 End T,R,N 9 Question 2 Your group was tasked to produce a research manual and listed the activities that must be completed, and the time estimates for each activity as shown in the table below: Note: You are required to use the last non-zero digit of your group leader’s student ID number for A,B,C,D,E. (where relevant based on your group size. Crash value cannot be ‘0’. Thus use the next bigger non zero digit from your ID number. Activity Immediate Predecessor Time (weeks) Cost (RM) Normal Crash Normal Crash A - a *a-1 700 800 B - 2 or b *b-1 1200 1900 C A 8 or c *c-2 1600 2200 D B 5 or d *d-2 1500 2300 E C 6 or e *e-2 2000 2800 F C,D 6 5 800 1200 G E,F 2 1 500 1000 (a) Draw a project network diagram. (1 mark) (b) Find the critical path.(1 mark) (c) What is the normal expected project completion time? (1 mark) (d) What is the total project cost using the normal time? (1 mark) (e) If the project is to be completed 2 weeks faster, determine which activities to crash at a minimum cost. What additional cost is incurred? What is the total cost? (3 marks) Question 3 Diddy Corp would like to develop an order quantity and reorder policy that would minimize their total costs of their inventory of printers. The probability distribution for demand for ace drill on a daily basis is shown below. Demand 0 1 2 3 4 5

Answers

The number of paths in the network is six.

The paths are:
C - A - T - N - EndC - A - T - R - N - EndC - B - P - U - N - EndC - B - P - U - T - R - N - EndC - B - P - A - T - N - EndC - B - P - A - T - R - N - End
2. The critical path is C - A - T - N - End with a duration of 24 weeks.

3. The float on activity U is 1 week.

4. If activity B takes three weeks longer than planned, it will affect the duration of path 3 and the entire project. It will elongate the project duration to 29 weeks.

2. b) The critical path is A-C-E-G with a duration of 18 weeks.

(c) The normal expected project completion time is 18 weeks.

(d) The total project cost using normal time is RM 7600.

(e) To complete the project two weeks faster, activities C and E can be crashed for the minimum cost.

The additional cost incurred will be RM 600.

The total cost is RM 8200.

3 The inventory cost that will minimize the total cost of inventory is obtained using the formula,

TAC = IC + OC + HCS

Where TAC

= Total Annual CostIC = Inventory CostOC = Ordering CostHCS = Holding and Carrying Cost.

The probability distribution is shown below. Demand 0 1 2 3 4 5Probability 0.20 0.15 0.25 0.20 0.10 0.10

To determine the optimal order quantity and reorder policy that would minimize total cost,

the EOQ (Economic Order Quantity) model will be used.

The EOQ can be determined using the formula,

Q = √((2DCO)/CH')

Where Q = Economic Order Quantity

D = Demand'

C0 = Cost per order

H = Holding cost

C = IC per unit

Let’s assume the cost per unit, C = RM 500,

the holding cost, H = 0.2,

and demand, D = 3 units per day.

Hence,CO = RM 800 (C0 = Cost per order, which is the same as ordering cost)

Then,Q = √((2 x 3 x RM 800)/RM 100)Q = 24 units per order

Then, the reorder level can be determined using the formula,

ROL = d * LWhere L = Lead time

ROL = 3 x 5 = 15 units

The total annual cost can be determined by substituting the values into the formula,

TAC = IC + OC + HCS

where IC = 0.5 x RM 500

= RM 250OC

= (365/EOQ) x C0OC

= (365/24) x RM 800OC

= RM 12133.33HCS

= (Q/2) x H x dHCS

= (24/2) x 0.2 x 3HCS

= RM 7.20

TAC = RM 250 + RM 12133.33 + RM 7.20TAC = RM 12390.53

Hence, the order quantity that will minimize the total cost of inventory is 24 units.

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An electric train is moving north at 100 mph and a wind is blowing to the west at 10 mph. Which way does the smoke blow?

Answers

there is no smoke its a electric train

performing the drawing-in maneuver or bracing can do what?

Answers

The drawing-in maneuver and bracing techniques are used in various exercises such as squats, deadlifts, and overhead presses, to maintain proper form and alignment. They are also helpful for people with weak or injured core muscles, as they can help improve core strength, stability, and function.

Performing the drawing-in maneuver or bracing can activate the muscles of the transversus abdominis, multifidus, and pelvic floor. This will help increase intra-abdominal pressure, which is essential in maintaining a stable spine and reducing the risk of lower back pain and injury.

The drawing-in maneuver or bracing is a technique used to activate the deep core muscles that surround and stabilize the spine. It is an essential exercise for preventing and managing lower back pain.

The drawing-in maneuver works by activating the transversus abdominis, which is the deepest layer of abdominal muscles that lies beneath the rectus abdominis, internal oblique, and external oblique muscles. This muscle plays a crucial role in stabilizing the spine and pelvis, and improving posture and balance.

The bracing technique, on the other hand, involves contracting all the muscles around the midsection, including the transversus abdominis, multifidus, and pelvic floor muscles. This technique increases intra-abdominal pressure, which stabilizes the spine and reduces the risk of injury to the lower back.

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An electric motor runs at 600 r/min when driving a load requiring a torque of 200 N m. Ifthe motor input is 15 kW, calculate the efficiency of the motor and the heat lost by the motor perminute, assuming its temperature to remain constant

Answers

The efficiency of the motor is 80%.

The heat lost by the motor per minute is 7.5 kW.

Here are the calculations:

The output power of the motor is given by:

P_o = τ * ω

where τ is the torque and ω is the angular velocity.

P_o = 200 N m * (2π * 600 r/min) / 60 s/min = 6000 W

The efficiency of the motor is given by:

η = P_o / P_i

where P_i is the input power.

η = 6000 W / 15 kW = 0.8

The heat lost by the motor per minute is given by:

Q = P_i - P_o

Q = 15 kW - 6000 W = 7.5 kW

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in the us, more electricity is generated from ____ than from any other source. A) geothermal. B) biomass. C) solar. D) hydroelectric. E) wind.

Answers

In the US, hydroelectricity is the source from which the most electricity is produced.

Who produces the most renewable energy in the US?

The largest source of renewable electricity in the nation as of 2019 is wind power. In 2020, wind energy produced 337.9 terawatt-hours of electricity, or 8.4% of the country's overall electricity production and 43.2% of all renewable electricity production.

What type of renewable energy is most prevalent in the US?

In the nation, wind has surpassed hydroelectricity to become the leading renewable source of electricity generation. Petroleum, natural gas, and coal made up around 79% of all primary energy produced in the United States in 2021.

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