Chemical Engineering Thermodynamics Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as P + F - C = 2 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 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 Decreased COP Enhanced COP Increased or decreased COP ; depending upon the type of refrigerant No change in the value of COP Decreased COP Enhanced COP Increased or decreased COP ; depending upon the type of refrigerant No change in the value of COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be 5.2 Data insufficient, can't be found out 0.168 6.2 5.2 Data insufficient, can't be found out 0.168 6.2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Reversible isothermal volume change Expansion of a real gas Cooling of a real gas Heating of an ideal gas Reversible isothermal volume change Expansion of a real gas Cooling of a real gas Heating of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Specific volume of an ideal gas is Proportional to pressure Equal to its density None of these The reciprocal of its density Proportional to pressure Equal to its density None of these The reciprocal of its density ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T) approaches Infinity Unity None of these Zero Infinity Unity None of these Zero ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS