Chemical Engineering Thermodynamics The change in Gibbs freee energy for vaporisation of a pure substance is Negative Positive May be positive or negative Zero Negative Positive May be positive or negative Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about 0.5 8.5 4.5 3.5 0.5 8.5 4.5 3.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Co-efficient of Performance (COP) of a refrigerator is the ratio of the Higher to lower temperature Work required to refrigeration obtained Lower to higher temperature Refrigeration obtained to the work required Higher to lower temperature Work required to refrigeration obtained Lower to higher temperature Refrigeration obtained to the work required ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of vapour compression refrigeration system, elevating the evaporator temperature (keeping the condenser temperature constant) results in Enhanced COP No change in the value of COP Decreased COP Increased or decreased COP ; depending upon the type of refrigerant Enhanced COP No change in the value of COP Decreased COP Increased or decreased COP ; depending upon the type of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Duringthe phase transition, __________ changes. Volume Temperature Pressure All of these Volume Temperature Pressure All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature of the gas ) T² T √T 1/√T T² T √T 1/√T ANSWER DOWNLOAD EXAMIANS APP
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