Chemical Engineering Thermodynamics The value of Cp & Cv respectively for monoatomic gases in Kcal/kg Mole . °K are 1.987 & 0.66 0.66 & 1.987 5 & 3 3.987 & 1.987 1.987 & 0.66 0.66 & 1.987 5 & 3 3.987 & 1.987 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 The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Increases Remains unchanged Decreases linearly Decreases Increases Remains unchanged Decreases linearly Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of a gas obeying P (V - b) RT (where, b is a positive constant and has a constant Cv), depends upon its Temperature All of these Volume Pressure Temperature All of these Volume Pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas is subjected to adiabatic expansion, it gets cooled due to Decrease in kinetic energy Decrease in velocity Energy spent in doing work Decrease in temperature Decrease in kinetic energy Decrease in velocity Energy spent in doing work Decrease in temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The specific heat of saturated water vapour at 100°C is +ve -ve ∞ +ve -ve ∞ ANSWER DOWNLOAD EXAMIANS APP
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