"Why Is Heat Engine Not 100% Efficient?, A. Because All Mixture Of Gases Is Converted Into Work., B. Because Engine Needs To Be Cooled Down., C. All O

"Why is heat engine not 100% efficient?

a. Because all mixture of gases is converted into work.
b. Because engine needs to be cooled down.
c. All of the gases are used up by the engine.
d. Some of the gases is taken up in the piston."

 

Answer:

The reason why a heat engine is not 100 percent efficient  is

A. BECAUSE ALL MIXTURE OF GASES IS CONVERTED INTO WORK

Explanation:

A heat engine cannot work in 100 percent efficiency due to the First Law of Thermodynamics which states that the total energy of an isolated system is constant; energy can be transformed from one to another, but it cannot be created nor destroyed. Read more about it by following this link:  brainly.ph/question/550621

A heat engine has three main components:

1. The Heat Source or Hot Reservoir

2. The Heat Sink or Cold Object

3. The object on which Work is done

So, with that in mind, how does the first law of thermodynamics relate to a heat engine's efficiency? Because for heat engines, thermal efficiency is the fraction of the energy added by heat and converted to net work output. To put it simply, a heat engine transforms thermal energy or heat into mechanical energy or work.  Thus, losing a percentage of efficiency.

More related questions that may help you:

Code: 9.22.4.3


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