Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will_________________? A. Increase B. Decrease C. Remain unchanged D. First fall and then rise

The temperature at which both liquid and gas phases are identical, is called the _____________ point? A. Critical B. Triple C. Freezing D. Boiling

If an ideal solution is formed by mixing two pure liquids in any proportion, then the ___________________ of mixing is zero? A. Enthalpy B. VolumeC. Both A. & B. D. Neither A nor B

Entropy is a/an___________________? A. State function B. Macroscopic property C. Extensive propertyD. None of these

Isentropic process means a constant _____________________ process ? A. Enthalpy B. PressureC. Entropy D. None of these

For an ideal solution, the value of activity co-efficient is______________________? A. 0B. 1 C. 1

Heat pump_______________________? A. Accomplishes only space heating in winter B. Accomplishes only space cooling in summerC. Accomplishes both A. and B D. Works on Carnot cycle

The equation Tds = dE – PdV applies to___________________? A. Single phase fluid of varying composition B. Single phase fluid of constant composition C. Open as well as closed systemsD. Both B. and C

Throttling (Joule-Thomson effect) process is a constant _____________ process? A. Enthalpy B. Entropy C. Pressure D. None of these

What is the value of maximum COP in case of absorption refrigeration, if refrigeration provided is at temperature, TR (where, T1 and T2 are source & surrounding temperatures respectively.) ? A. TR/(T2 – TR) × (T1 – T2)/T1 B. TR/(T2…