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Question

What are the advantages and disadvantages of a heat engine?


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Solution

Heat engine

  1. It is a thermodynamic system that converts heat energy to mechanical energy.
  2. The three essential requirements of a heat engine are: source, sink, and working substance.

Advantages of a heat engine

  1. It helps to make different machines.
  2. It helps to regulate temperature.
  3. As the fluids are allowed in high temperatures, it can be used to yield high efficiency.
  4. It consumes less time and cost.
  5. The procedure and apparatus are easy to use and fix.

Disadvantages of heat engine

  1. Heat engines use fuels, and combustion of fuels results in the emission of many harmful gases, thus leading to pollution.
  2. Heat engines use fuels like coal, gasoline, diesel, etc. which are depletable sources of energy.

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