Select the correct answer.

Engineering

1 answer:

goblinko [34]3 years ago

8 0

Answer:

Explanation:

The voltage change across a resistor is negative when you traverse in the opposite direction of the current.

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Can someone pls give me the answer to this?

Zolol [24]

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A piston-cylinder assembly contains 3 kg of water, initially at 0.06 bar and 160 C. The water undergoes two processes in series:

schepotkina [342]

Answer:

See attachment below

Explanation:

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3 years ago

Static electricity is the result of

grin007 [14]

Answer:

Explanation:

Static electricity is the result of an imbalance between negative and positive charges in an object. These charges can build up on the surface of an object until they find a way to be released or discharged.

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3 years ago

What is the correct way to measure the overall length of a boat? Measure from the tip of the bow to the highest point on the gun

Firlakuza [10]

Answer:

Correct way to measure the overall length of a boat is:

Measure from the tip of the bow in a straight line to the stern of the boat.

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3 years ago

Explain how the ideal vapour compression refrigerator cycle is an improvement upon the Carnot cycle. Use any two of the problems

Grace [21]

answer explanation:

<u>Basically, the Carnot cycle is turning a heat differential into mechanical energy, then using mechanical energy to recreate the heat differential. A heat pump only turns mechanical energy into a heat differential. It exchanges the gas being compressed on an ongoing basis and does not extract mechanical energy from it, this continuous loss of mechanical energy input is what allows continuous generation of a heat differential.</u>

<u>Also, the Carnot cycle is an idealized theoretical model, not a practically achievable engineering goal. It illustrates the essential mechanism by which heat differentials can be turned into mechanical energy and vice versa, it has to ignore the fact of inefficiency in conversion between mechanical energy and heat differential for the sake of illustrating a set of ideal processes. A real refrigeration system has to deal with the question of whether the system is pumping away more heat than it generates itself through inefficiency.</u>

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