ThermodynamicsHard

Question

A heat engine absorbs heat Q1 at temperature T1 and heat Q2 at temperature T2. Work done by the engine is (Q1 + Q2). This data

Options

A.violates 1st law of thermodynamics
B.violates 1st law of thermodynamics if Q1 is - ve
C.violates 1st law of thermodynamics if Q2 is - ve
D.does not violate 1st law of thermodynamics

Solution

Some mechanical energy is always converted (lost) to other forms of energy.

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