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. None of these Kinematic viscosity Work Temperature None of these Kinematic viscosity Work Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In polytropic process (PVn = constant), if n = 1; it means a/an __________ process. Reversible Isothermal Adiabatic None of these Reversible Isothermal Adiabatic None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the None of these Statement of Vant-Hoff equation Le-Chatelier's principle Lewis-Randall rule None of these Statement of Vant-Hoff equation Le-Chatelier's principle Lewis-Randall rule ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in pressure (above atmospheric pressure), the Cp of a gas First decreases and then increases Remains unchanged Increases Decreases First decreases and then increases Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change for an irreversible isolated system is > 0 ∞ < 0 > 0 ∞ < 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the pressure on 100 c.c. of air is halved, then its volume (at the same temperature) would be __________ c.c. 205 100 50 200 205 100 50 200 ANSWER DOWNLOAD EXAMIANS APP
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