Chemical Engineering Thermodynamics When a gas is subjected to adiabatic expansion, it gets cooled due to Decrease in kinetic energy Decrease in temperature Energy spent in doing work Decrease in velocity Decrease in kinetic energy Decrease in temperature Energy spent in doing work Decrease in velocity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At the critical point of a substance There is no distinction between liquid and vapour phases Liquid and vapour have the same density All of these The surface tension vanishes There is no distinction between liquid and vapour phases Liquid and vapour have the same density All of these The surface tension vanishes ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Carnot refrigeration cycle Vapor compression cycle using expansion valve Air refrigeration cycle Vapor compression cycle using expansion engine Carnot refrigeration cycle Vapor compression cycle using expansion valve Air refrigeration cycle Vapor compression cycle using expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole. 273 0 25 None of these 273 0 25 None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Clayperon equation deals with the Temperature dependence of heat of phase transition Calculation of ΔF for spontaneous phase change Rate of change of vapour pressure with temperature Effect of an inert gas on vapour pressure Temperature dependence of heat of phase transition Calculation of ΔF for spontaneous phase change Rate of change of vapour pressure with temperature Effect of an inert gas on vapour pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ calorimeter is normally used for measuring the dryness fraction of steam, when it is very low. A combination of separating & throttling Bucket Throttling Separating A combination of separating & throttling Bucket Throttling Separating ANSWER DOWNLOAD EXAMIANS APP
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