Chemical Engineering Thermodynamics Out of the following refrigration cycles, which one has the minimum COP (Co-efficient of performance)? Vapour compression with a reversible expansion engine Carnot cycle Ordinary vapour compression cycle Air cycle Vapour compression with a reversible expansion engine Carnot cycle Ordinary vapour compression cycle Air cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________ point. Freezing Triple Boiling Boyle Freezing Triple Boiling Boyle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________ process. Polytropic Isentropic Adiabatic Isothermal Polytropic Isentropic Adiabatic Isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Change of state namely evaportation condensation, freezing and melting is an __________ process. Isothermal Isochoric Isobaric Adiabatic Isothermal Isochoric Isobaric Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Water on heating from 1 to 4°C Has same volume Contracts May contract or expand Expands Has same volume Contracts May contract or expand Expands ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at Low pressure & low temperature High pressure & low temperature Low pressure & high temperature None of these Low pressure & low temperature High pressure & low temperature Low pressure & high temperature None of these ANSWER DOWNLOAD EXAMIANS APP