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A heat engine absorbs heat `Q_(1)` at temperature `T_(1)` and `Q_(2)` at temperature `T_(2)` . Work done by the engine is `(Q_(1)+Q_(2))` . This data:A. Violates first law of thermodynamicsB. Violates first law of thermodynamics if `Q_1 = - ve`C. Violates first law of thermodynamics if `Q_2 = - ve`D. Does not violate first law of thermodynamics. |
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Answer» Correct Answer - D Some mechanical energy is always converted to other form of energy or total heat cannot be converted to useful work. This is `II` law of thermodynamics. |
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