Chemical Engineering Thermodynamics In polytropic process (PVn = constant), if n = 1; it means a/an __________ process. None of these Reversible Isothermal Adiabatic None of these Reversible Isothermal Adiabatic 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 Less pronounced Data insufficient, can't be predicted Equal More pronounced Less pronounced Data insufficient, can't be predicted Equal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Increased or decreased COP ; depending upon the type of refrigerant Increased COP Decreased COP Same COP Increased or decreased COP ; depending upon the type of refrigerant Increased COP Decreased COP Same COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Chemical engineering thermodynamics is concerned with the __________ in/of chemical processes. None of these Calculation of rates Reaction mechanism Energy transformation from one form to the another None of these Calculation of rates Reaction mechanism Energy transformation from one form to the another ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigeration cycles, which one has maximum COP? Ordinary vapor compression cycle Air cycle Carnot cycle Vapor compression with a reversible expansion engine Ordinary vapor compression cycle Air cycle Carnot cycle Vapor compression with a reversible expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as C = P - F + 2 P + F - C = 2 F = C - P - 2 P = F - C - 2 C = P - F + 2 P + F - C = 2 F = C - P - 2 P = F - C - 2 ANSWER DOWNLOAD EXAMIANS APP
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