Technician A says that reversing the direction of refrigerant (as with a heat pump system) could be done to provide cabin heat. Technician B says that the amount of energy loss from the traditional drive belt and electric clutch A/C system is too high for hybrid and electric vehicles. Who is correct?

Answers

Answer 1

It can be noted that technician B is correct as amount of energy loss from the traditional drive belt and electric clutch A/C system is too high for hybrid and electric vehicles.

What is energy?

Energy simply means the property that is transferred to a body.

In this case, Technician A says that reversing the direction of refrigerant as with a heat pump system could be done to provide cabin heat. This is incorrect because this is done to remove heat.

Therefore, the correct person is technician B.

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Related Questions

It is given that 50 kg/sec of air at 288.2k is iesntropically compressed from 1 to 12 atm. Assuming a calorically perfect gas, determines the exit temperature and the compressor's input power.

Answers

The exit temperature is 586.18K and compressor input power is 14973.53kW

Data;

Mass = 50kg/sT = 288.2KP1 = 1atmP2 = 12 atm

Exit Temperature

The exit temperature of the gas can be calculated isentropically as

[tex]\frac{T_2}{T_1} = (\frac{P_2}{P_1})^\frac{y-1}{y}\\ y = 1.4\\ C_p= 1.005 Kj/kg.K\\[/tex]

Let's substitute the values into the formula

[tex]\frac{T_2}{T_1} = (\frac{P_2}{P_1})^\frac{y-1}{y} \\\frac{T_2}{288.2} = (\frac{12}{1})^\frac{1.4-1}{1.4} \\ T_2 = 586.18K[/tex]

The exit temperature is 586.18K

The Compressor input power

The compressor input power is calculated as

[tex]P= mC_p(T_2-T_1)\\P = 50*1.005*(586.18-288.2)\\P= 14973.53kW[/tex]

The compressor input power is 14973.53kW

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10.) A solid circular titanium control rod at 7,000 lb axial tension force where stress must not
exceed 42,000 psi. Assume that the modulus of elasticity of the titanium is 16,500,000 psi
and that the rod must elongate no more than 0.20 in. Determine (a) the minimum rod
diameter (precision 0.00) and (b) the maximum rod length (precision of 1).

Answers

The minimum rod diameter is 0.46 in and the maximum rod length is 78.6 in.

What is diameter?

Diameter is defined as the distance that runs through the center of a circle from one point to another on its surface. It can also be thought of as the circle's longest chord. The diameter of a sphere can be defined using either of the two methods.

Given tension axial force = 7000 lb

Maximum axial tensile strength = 42000 psi

σ = P /A = P / λ / 4 x d²

The minimum rod diameter = 0.46

Elongation in rod = 0.2 in

= FL / AE

Maximum length of rod = 78.6 in

Thus, the minimum rod diameter is 0.46 in and the maximum rod length is 78.6 in.

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What hardware and peripherals are you using right now to take this course? What software and operating system (OS)? Describe the basic details of how the things you write for this course are sent through the internet, including the role of packets, an ISP, and a server.

Answers

An operating system brings powerful benefits to computer software and software development. Without an operating system, every application would need to include its own UI, as well as the comprehensive code needed to handle all low-level functionality of the underlying computer, such as disk storage, network interfaces and so on. Considering the vast array of underlying hardware available, this would vastly bloat the size of every application and make software development impractical.

Instead, many common tasks, such as sending a network packet or displaying text on a standard output device, such as a display, can be offloaded to system software that serves as an intermediary between the applications and the hardware. The system software provides a consistent and repeatable way for applications to interact with the hardware without the applications needing to know any details about the hardware.

The hardware that I am using to take this course is a Laptop computer running on windows operating system.

What are the basic details of how the things written for this course are sent through the internet, including the role of packets, an ISP, and a server.

When you send a query, like your previous message, your laptop's operating system breaks it into smaller units called packets. These packets contain parts of your message, destination address, and other metadata.

They're sent over the internet through your Internet Service Provider (ISP), which directs them through routers and switches. These network devices ensure packets take the most efficient path.

They reach the server where I'm hosted. The server processes your query, generates a response, divides it into packets, sends them back through the same process, and your laptop reassembles them to display my answer.

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