Chemical Thermodynamics · JEE Main previous year questions

2002 1 question

1. Q1572002 · 27 Apr 2002 · Shift 1

   A heat engine absorbs heat $Q_1$ at temperature $T_1$ and heat $Q_2$ at temperature $T_2$. Work done by the engine is J $(Q_1+Q_2)$. This data :

   1. A.violates 1${}^{st}$ law of thermodynamics
   2. B.violates 1${}^{st}$ law of thermodynamics if $Q_1$ is +ve
   3. C.violates 1${}^{st}$ law of thermodynamics if $Q_1$ is -ve
   4. D.does not violate 1${}^{st}$ law of thermodynamics
   Show answer

   Answer: D