Q1. Melting and boiling are examples of - A. adiabatic process B. isobaric process C. isothermal process D. cyclic process Q2. For an isothermal process the change in internal energy is - A. positive B. negative C. zero D. infinite Q3. Specific heat capacity of any gas for isothermal process is - A. zero B. infinite C. 1 D. log10⁵ Q4. For a cyclic process the change in internal energy is - A. positive B. negative C. Zero D. infinite Q5. Which is not an extensive variable ? A. Pressure B. mass C. volume D. internal energy Q6. First law of thermodynamics is based on - A. Law of conservation of momentum B. Law of conservation of angular momentum C. Law of conservation of mass D. None of these Q7. The slope of pressure volume curve in an adiabatic process is - A. Equal to the slope of isothermal process B. 'γ' times the slope of isothermal process C. "1/γ" times the slope of isothermal process D. Negative to the slope of isothermal process Q8. An ideal gas of volume 0.
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