If atmospheric temperature and dew point are nearly equal, then the relative humidity is Unpredictable 50% Almost 100% Zero TRUE ANSWER : ? YOUR ANSWER : ?
At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure. May increase or decrease; depends on the gas Remains unchanged Decreases Increases TRUE ANSWER : ? YOUR ANSWER : ?
Any substance above its critical temperature exists as Saturated vapour Solid Gas Liquid TRUE ANSWER : ? YOUR ANSWER : ?
The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T₁ and T₂ is given by T₂/R1 T₁/(T₁-T₂) T₂/(T₁-T₂) T₁/T₂ TRUE ANSWER : ? YOUR ANSWER : ?
When a gas is subjected to adiabatic expansion, it gets cooled due to Decrease in velocity Decrease in kinetic energy Energy spent in doing work Decrease in temperature TRUE ANSWER : ? YOUR ANSWER : ?
dW and dq are not the exact differential, because q and W are Intensive properties Path functions Extensive properties State functions TRUE ANSWER : ? YOUR ANSWER : ?
When a system is in equilibrium for all possible processes, the differential or finite change of entropy is > 0 < 0 None of these = 0 TRUE ANSWER : ? YOUR ANSWER : ?
With increase in temperature, the atomic heat capacities of all solid elements Increases Decreases Remains unchanged Decreases linearly TRUE ANSWER : ? YOUR ANSWER : ?
Standard temperature and pressure (S.T.P.) is 0°C and 1 kgf/cm² 0°C and 750 mm Hg 15°C and 750 mm Hg 15°C and 1 kgf/cm² TRUE ANSWER : ? YOUR ANSWER : ?
Work done may be calculated by the expression ∫p dA for __________ processes. Neither A nor B Non-flow reversible Adiabatic Both A and B TRUE ANSWER : ? YOUR ANSWER : ?