Chemical Engineering Thermodynamics Helmholtz free energy (A) is defined as None of these A = H - TS A = H + TS A = E - TS None of these A = H - TS A = H + TS A = E - TS ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy is a measure of the __________ of a system. None of these Temperature changes only Orderly behaviour Disorder None of these Temperature changes only Orderly behaviour Disorder ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The energy of activation of exothermic reaction is Very large compared to that for en-dothermic reaction Zero Negative Not possible to predict Very large compared to that for en-dothermic reaction Zero Negative Not possible to predict ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The effect of changing the evaporator temperature on COP as compared to that of changing the condenser temperature (in vapour compression refrigeration system) is More pronounced Data insufficient, can't be predicted Equal Less pronounced More pronounced Data insufficient, can't be predicted Equal Less pronounced 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 Air refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas performs the maximum work, when it expands Non-uniformly Adiabatically Isobarically Isothermally Non-uniformly Adiabatically Isobarically Isothermally ANSWER DOWNLOAD EXAMIANS APP