Chemical Engineering Thermodynamics An ideal liquid refrigerant should Not have unduly high vapour pressure at the condenser temperature Both A and B Have low specific heat Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils Not have unduly high vapour pressure at the condenser temperature Both A and B Have low specific heat Not have a subatmospheric vapour pressure at the temperature in the refrigerator coils ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an isothermal reversible compression of an ideal gas Only ΔH =0 ΔE = ΔH = 0 Only ΔE = 0 DQ = dE Only ΔH =0 ΔE = ΔH = 0 Only ΔE = 0 DQ = dE ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will Increase Decrease Increase or decrease ; depends on the particular reaction Remain unaltered Increase Decrease Increase or decrease ; depends on the particular reaction Remain unaltered ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As the temperature is lowered towards the absolute zero, the value of ∂(ΔF)/∂T, then approaches Unity Zero Infinity That of the heat of reaction Unity Zero Infinity That of the heat of reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Pressure is constant Temperature is constant Cooling takes place Heating takes place Pressure is constant Temperature is constant Cooling takes place Heating takes place ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics No work is done by the system, when a reaction occurs at constant Temperature Pressure None of these Volume Temperature Pressure None of these Volume ANSWER DOWNLOAD EXAMIANS APP