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dimaraw [331]
4 years ago
11

Is a reversible heat engine more efficient than an irreversible heat engine when operating between the same two thermal reservoi

rs?
Engineering
1 answer:
musickatia [10]4 years ago
8 0

Answer:

Yes reversible heat engine is more efficient than irreversible heat engine

Explanation:

A reversible heat engine has more efficiency compared to an irreversible heat engine that is operating between the two same thermal reservoirs. Since the reversible process can do maximum work. Also reversible processes means any one of the process can be reversed without producing any effect on the systems as well as the surroundings, that is there is no loss of energy in case of a reversible process. While in case of irreversible process, there is loss of energy in the form of friction. Thus there is loss of energy in irreversible process, so its efficiency will be less than a reversible process.

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Answer:

The problem is that the pumps would consume more energy than the generators would produce.

Explanation:

Water has a potential energy associated with the height it is at. The higher it is, the higher the potential energy. When water flows down into the turbines that energy is converted to kinetic energy and then into electricity.

A pump uses electricity to add energy to the water to send it to a higher potential energy state.

Ideally no net energy woul be hgenerate or lost, because the generators would release the potential energy and pumps would store it again in the water. However the systems are not ideal, everything has an efficiency and losses. The losses would accumulate and the generator would be generating less energy than the pumps consume, so that system wastes energy.

What should be done is closing the floodgates to keep the water up in the dam at night producing only the power that is needed and releasing more water during the day.

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The practice of honoring those who have been lost in battle dates back to which two ancient
Serjik [45]
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