What engineer would be most likely to work on identifying and reducing the number of defective car engines built on an assembly line?

Answer:

a. 67607.9psi

b. 123278.33

Explanation:

to get the yield strength of the material

= load/ cross sectional area

cross sectional area = π * 0.253²/4

= 0.0502927

The yield strenght

= 3400/0.0502927

= 67609.9 psi

b. the uts of the material

= maximum load/cross sectional area

= 6200/0.0502927

= 123278.33

1. LRT1 (L1), LRT2 (L2), and MRT3 (L3) have elevated viaducts, stations, ramps, and tunnels along their alignments.

2. The track system of L1, L2, L3, and PNR consists of elevated tracks supported by viaducts, equipped with rails, sleepers, switches, crossings, and signaling systems.

The alignments of LRT1 (L1), LRT2 (L2), and MRT3 (L3) feature various types of structures. These include elevated viaducts, which are elevated platforms that support the tracks and allow trains to run above ground level.

Additionally, there are stations along the alignment where passengers board and alight from the trains. Ramps are constructed to provide smooth transitions between different levels of the track system.

The track systems of L1, L2, L3, and PNR consist of elevated tracks supported by viaducts, ensuring stability and providing a platform for trains to run on. These tracks are laid with rails and sleepers, which maintain the alignment and support the weight of the trains. The system includes switches and crossings to allow trains to change tracks or merge with other lines.

Signaling systems are implemented to control train movements and ensure safe operations. This comprehensive track system facilitates the smooth and efficient functioning of the LRT and MRT lines, as well as the Philippine National Railways (PNR).

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Answer:

Explanation:

The rotation speed depends on the force applied to the coil, and on the mass (moment of inertia) of the coil. The force can be increased by ...

  increasing the magnetic field strength

  increasing the coil current

And the moment of inertia can be decreased by ...

  making the coil lighter

  making the coil more compact.

Any of these changes will increase the rotation speed.

Simply put, the thread form is how the thread is arranged in an axial plane and is made up of the crest, root, and flanks.

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The Relationship between Peak-To-Peak and RMS Voltage is that V peak-peak voltage is of a sine wave is the RMS value multiplied by 2√2. For sinusoidal voltages V p-p=V RMS × 2√2

In the above mentioned equation V p-p is the peak-to-peak voltage and V RMS is the RMS voltage. D-Peak indicates the maximum value that the current or voltage reaches in alternating current.

However, RMS indicates the average value of current or voltage. They are used in thermodynamics. For example, to express the average velocity of gas molecules.

When AC current voltage values ​​are given, RMS values ​​are usually given.

The RMS value will always be less than the peak value.

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Enthalpy is the thermodynamic potential of a system at constant pressure. It indicates how much energy is stored in a system in the form of heat.

The change in enthalpy is equal to the amount of heat absorbed or released by a system at a constant pressure. Internal energy,  is the sum of all the microscopic energy states of a system. It includes the kinetic and potential energy of all the particles in a system. The change in internal energy is equal to the amount of heat absorbed or released by a system at a constant volume.

d) One aspect of the second law of thermodynamics is that it states that entropy of an isolated system always increases over time. Entropy is a measure of the randomness or disorder of a system. This means that over time, the amount of usable energy in a closed system will decrease, and the amount of unusable energy will increase. For example, when a hot object is placed in contact with a cold object, heat energy will flow from the hot object to the cold object until they reach thermal equilibrium.

During this process, the entropy of the system will increase, as the energy becomes more dispersed and less organized. This is why it is impossible to create a perfect heat engine that can convert all of the heat energy into work, without any loss of energy or increase in entropy.

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Answer:

18.75in

Explanation:

Modulus of elasticity = Stress/Strain

Since stress = Force/Area

Given

Force = 1000lb

Area = 0.75sqin

Stress = 1000/0.75

Stress = 1333.33lbsqin

Strain

Strain = Stress/Modulus of elasticity

Strain = 1333.33/5,000,000

Strain = 0.0002667

Also

Strain = extension/original length

extension = 0.005in

Original length = extension/strain

Original length = 0.005/0.0002667

Original length = 18.75in

Hence the original length of the rectangular bar is 18.75in

During gait the body of a living organism is gaining speed: a. during terminal stance.

Physical fitness can be defined as a measure of both the physical and mental soundness (wellness) or ability of an individual to engage in physical exercises, sports, work and other day-to-day activities.

For instance, one of the ways in which an individual can model good physical fitness to other individuals in their neighborhood is by:

Gait can be defined as the way and manner in which an animal or individual walks or runs, thereby affecting and altering the shape of the body.

In this context, we can infer and logically deduce that during gait the body of a living organism is gaining speed, especially during terminal stance.

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To divide the list into almost two equally-length parts and output two lists, the following Python program can be used:

my_list =

["1","2","5","8","9","0"]

list_length = len(my_list)if list_length % 2 == 0:  

# length is even   mid = list_length // 2   list1 = my_list[:mid]

 list2 = my_list[mid:]else:

 # length is odd   mid = list_length // 2   list1 = my_list[:mid+1]   list2 = my_list[mid+1:]print(list1) print(list2)

The above program divides the list into two almost equal parts by checking whether the length of the list is odd or even.

If the length of the list is even, it divides the list into two equal parts.

If the length of the list is odd, it divides the list into two parts where the first part has one more element than the second part.

In the first example where the input list is ["1","2","5","8","9","0"], the length of the list is even,

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Answer:

stagflation

Explanation:

it was used in the article

A word which was first used during the 1970s economic crisis is stagflation.

In the 1970s, an energy crisis took place in the United States of America due to the oil embargo that was imposed on it by OPEC. This oil embargo was imposed on the United States of America by the Organization of Petroleum Exporting Countries (OPEC) in 1973 because of its role in the Arab-Israeli War.

Consequently, the economy of the United States of America experienced stagflation in the following ways:

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Answer:

Environmental Protection Agency (EPA)

Explanation:

Pollution can be defined as the physical degradation or contamination of the environment through an emission of harmful, poisonous and toxic chemical substances.

Environmental Protection Agency (EPA) is the organization that oversees environmental compliance.

In the United States of America, the agency which was established by US Congress and saddled with the responsibility of overseeing all aspects of pollution, environmental clean up, pesticide use, contamination, and hazardous waste spills is the Environmental Protection Agency (EPA). Also, EPA research solutions, policy development, and enforcement of regulations through the resource Conservation and Recovery Act.

Hence, the Environmental Protection Agency (EPA) is the governmental agency set up to ensure that various industries, factories and people comply with laws and regulations concerning the environment.

Answer:

EPA

Explanation:

Promotion is any form of communication that a business uses to inform, persuade, or remind potential customers about their products. The goal is to raise awareness, draw attention to, and encourage consumers to purchase the product over competing options.

All of the activities that inform consumers about a product, brand, or service are referred to as promotions.

Companies communicate about sales promotions through a variety of media, including printed materials like posters, coupons, direct mail pieces, and billboards; radio and television commercials; and digital media like text messaging, email, websites, and social media, among others.

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Answer:

10 ohms Ω

Explanation:

V = IR

120 = I(12)

120/12 = 10Ω

Answer:

I think 1 31/32

Answer:

0.49

0.51

Explanation:

Probability that bulb is defective :

Let :

b1 = box 1 ; b2 = box 2 ; b3 = box 3

d = defective

P(defective bulb) = (p(b1) * (d|b1)) + (p(b2) * p(d|b2)) + (p(b3) * p(d|b3))

P(defective bulb) = (1/3 * 10/20) + (1/3 * 7/15) + (1/3 * 5/10))

P(defective bulb) = 10/60 + 7/45 + 5/30

P(defective bulb) = 1/6 + 7/45 + 1/6 = 0.4888

= 0.49

P(bulb is good) = 1 - P(defective bulb) = 1 - 0.49 = 0.51

Answer:

The tatal resistance of the series-parallel circuit with two resistor connected in parallel which combination is connected in series to a single resistor is 9 ohms.

This can be defined as the opposition to current flow in a circuit.

To calculate the total resistance, first we need to find the total resistance of the parallel resistor.

For parallel,

Where:

R' = Total resistance of the parallel resistor.

From the question,

Given:

Substitute these values into equation 1

Finally, we combine the effective parallel resistance in series to the single resistance to the the total resistance of the circuit.

Where:

From the question,

Substitute these values into equation 2

Hence, the total resistance of the circuit is 9 ohms.

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A surge protector is a device that may look like just another power strip, but it serves an important function in protecting your electronic devices. Its main purpose is to (option b) save your device if a voltage spike is sent through the electrical system. This is important because voltage spikes can cause serious damage to your electronic devices and may even render them unusable.

A surge protector can also help manage heat, which can be an issue for devices that generate a lot of heat, such as gaming consoles or high-performance computers. However, a surge protector cannot prevent theft or detect viruses. Its main function is to protect your devices from electrical surges, so it is important to make sure that any electronic devices you have are plugged into a surge protector to ensure their safety.

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Before using a vise to mount work, wipe the vise base and worktable clean, inspect it for burrs and nicks, and bolt it firmly to the table.

The complete question is,
When a vise is used to mount work, ____.

wipe the vise base and worktable clean, inspect it for burrs and nicks, and bolt it firmly to the table

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The term compression ratio describes the ratio of data size in bits or bytes before and after compression.

Compression ratio is a measure used to quantify the effectiveness of a compression algorithm in reducing the size of data. It represents the ratio of the original data size to the compressed data size. A higher compression ratio indicates that more data has been compressed and the resulting file size is smaller.

Compression techniques are commonly used to reduce file sizes for storage or transmission purposes. Various compression algorithms, such as ZIP, gzip, and JPEG, employ different methods to eliminate redundant or unnecessary data, resulting in a compressed version of the original file.

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Answer:

1:1

Explanation:

A coin has either a head or tail.

Thus, probability of head = ½

Probability of tail = ½

The first coin is tossed twice and probability of head or tail on both tosses is still ½. Thus, they will have a ratio 1:1.

The second coin is still tossed regardless and thus continuously and so should have same ratio of 1:1.

Therefore, the ratio of the both of them must, also be 1:1.

Answer:

70%

Explanation:

The three main principles in engineering design are: strategic balance, top management approach and team work.

The principles are fundamental concepts that engineers use to develop effective solutions to complex problems. These principles are based on scientific and mathematical principles as well as practical considerations related to the materials, technologies and resources available to the engineer.

The engineering design process involves several stages, including problem identification, research, concept development, prototyping and testing. Throughout each stage, engineers apply various principles to ensure that their designs meet the needs and requirements of the intended users.

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The device that causes pressure and temperature drop in the refrigeration cycle is the expansion valve.The refrigeration cycle is a cyclic process used to move heat from one place to another. It can be used for air conditioning or refrigeration purposes.

The refrigeration cycle consists of four major components, including compressor, condenser, expansion valve, and evaporator.The compressor is the first component of the refrigeration cycle that receives the refrigerant in a low-pressure state and compresses it to a high-pressure state. The condenser is the second component of the refrigeration cycle that receives the high-pressure refrigerant from the compressor and removes heat from it to change the refrigerant from a high-pressure vapor to a high-pressure liquid.

The third component is the expansion valve, which reduces the pressure and temperature of the refrigerant. The fourth component is the evaporator, which receives the refrigerant from the expansion valve and removes heat from the surrounding environment to change the refrigerant from a low-pressure liquid to a low-pressure vapor.The function of the expansion valve is to cause pressure and temperature drop in the refrigerant.

The expansion valve receives the high-pressure liquid refrigerant from the condenser and releases it through a small orifice. As a result, the pressure and temperature of the refrigerant decrease. The low-pressure liquid refrigerant then enters the evaporator to absorb heat from the surrounding environment and evaporates into a low-pressure vapor. The cycle is then repeated.

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The presence of nonionic surfactant in the mixture reduces the CMC of the mixture, leading to the formation of mixed micelles at lower concentrations.

The CMC of a 1:1 mixture of SDS and a nonionic surfactant can be estimated using the regular solution theory and assuming that the activity coefficients are 1. The regular solution theory states that the CMC of a mixture is the weighted average of the individual CMCs of the components. Therefore, the CMC of the mixture can be calculated as follows:

CMC of mixture = (CMC of SDS x mole fraction of SDS) + (CMC of nonionic surfactant x mole fraction of nonionic surfactant)

Since the mixture is 1:1, the mole fraction of each component is 0.5. Therefore, the CMC of the mixture can be calculated as follows:

CMC of mixture = (8 mM x 0.5) + (0.1 mM x 0.5) = 4.05 mM

The presence of nonionic surfactant in the mixture affects the mixed micelle formation by reducing the CMC of the mixture. This is because nonionic surfactants have lower CMCs compared to ionic surfactants like SDS. As a result, the presence of nonionic surfactant in the mixture reduces the CMC of the mixture, leading to the formation of mixed micelles at lower concentrations.

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Answer:

To determine the force in cables AB, AC, and AD, you need to use the equation for equilibrium in three dimensions:

FAB + FAC + F_AD = F

Where F is the total force exerted by the machine.

In order to solve this equation, you need to know the angle between cable AB and AC (θ), and the distance between the two points (d). Using these values, you can calculate the force in each cable as follows:

FAB = F * cos(θ) FAC = F * sin(θ) F_AD = F * (1 - cos(θ) - sin(θ))

In this example, if the angle between cable AB and AC is 30°, and the distance between the two points is 5m, then the force in each cable would be:

FAB = 20kN * cos(30°) = 17.3kN FAC = 20kN * sin(30°) = 10kN F_AD = 20kN * (1 - cos(30°) - sin(30°)) = 2.7kN

The tension forces in each cable can be determined by subtracting the tension in the other cables from the total force F.

Tension forces are a type of force that acts along the length of an object. These forces are created by the stretching of an object and are usually measured in Newtons.

Tension forces can be found in a variety of different objects such as ropes, strings, wires, and cables. It can also be found in other objects such as springs and muscles. Tension forces can have a variety of effects on an object depending on the direction and magnitude of the force.

The forces acting on the body in the x-direction can be written as:

Fx = TAB - TAC - TAD = 0

Where TAB, TAC, and TAD are the tension forces in cables AB, AC, and AD respectively.

Therefore, we can solve for the tension forces in each cable:

TAB = TAC + TAD = F = 750 N

TAC = TAB - TAD = 750 N - TAD

TAD = TAB - TAC = 750 N - TAC

Therefore, the tension forces in each cable can be determined by subtracting the tension in the other cables from the total force F.

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Explanation:

1. This memory can be programmed by the user instead of at the factory and is read-only. - A. PROM. (PROGRAMMABLE MEMORY)

2. This memory is not only nonvolatile but also can be erased by an electrical signal 1 byte at a time. - E. EEPROM (ELECTRICALLY ERASABLE PROGRAMMABLE MEMORY)

3. The contents of this memory are programmed one time when manufactured and are nonvolatile. A. RAM

4. This memory can be read from and written to and is used by microcontrollers for variable data storage.  B. ROM (RANDOM ACCESS MEMORY)

5. This memory is quite similar to the one described in 2. But allows for faster data access in blocks. F. FLASH

6. The contents of this memory will persist when the power is removed, but only UV can erase them. D. EPROM (ERASABLE PROGRAMMABLE MEMORY)

Answer:

I think it is false!

Explanation:

Answer: I think it's true

Explanation:

Because if you were part of a play, you would have a part but if you work on props, you don't have a part onstage.