Chemical Engineering Thermodynamics The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same. Work Temperature None of these Kinematic viscosity Work Temperature None of these Kinematic viscosity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of the quantity (∂ΔF/∂T) approaches None of these Infinity Zero Unity None of these Infinity Zero Unity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic compression? Pressure is constant Cooling occurs Temperature is constant Heating occurs Pressure is constant Cooling occurs Temperature is constant Heating occurs ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process. Isobaric Isothermal Adiabatic None of these Isobaric Isothermal Adiabatic None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The shape of T-S diagram for Carnot Cycle is a Rectangle Rhombus Trapezoid Circle Rectangle Rhombus Trapezoid Circle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigeration cycle Involves transfer of heat from low temperature to high temperature Violates second law of thermodynamics Neither A nor B Both A and B Involves transfer of heat from low temperature to high temperature Violates second law of thermodynamics Neither A nor B Both A and B ANSWER DOWNLOAD EXAMIANS APP
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