Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Air refrigeration cycle Carnot refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics (∂T/∂P)H is the mathematical expression for None of these Specific heat at constant pressure (Cp) Joule-Thompson co-efficient Specific heat at constant volume (Cv) None of these Specific heat at constant pressure (Cp) Joule-Thompson co-efficient Specific heat at constant volume (Cv) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance Reversible isothermal volume change Cooling of a substance Simultaneous heating and expansion of an ideal gas Heating of a substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The unit of fugacity is the same as that of the Pressure Temperature Volume Molar concentration Pressure Temperature Volume Molar concentration ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One ton of refrigeration capacity is equivalent to the heat removal rate of 50 k cal/hr 200 BTU/hr 200 BTU/day 200 BTU/minute 50 k cal/hr 200 BTU/hr 200 BTU/day 200 BTU/minute ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will Decrease Increase Remain unchanged First fall and then rise Decrease Increase Remain unchanged First fall and then rise ANSWER DOWNLOAD EXAMIANS APP