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 Ordinary vapour compression cycle Air cycle Carnot cycle Vapour compression with a reversible expansion engine Ordinary vapour compression cycle Air cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following will increase the volume of a real gas by four times ? Reducing the temperature to half and doubling the pressure Reducing temperature to one fourth at constant pressure Reducing pressure to one fourth at constant temperature Doubling the absolute temperature as well as pressure of the gas Reducing the temperature to half and doubling the pressure Reducing temperature to one fourth at constant pressure Reducing pressure to one fourth at constant temperature Doubling the absolute temperature as well as pressure of the gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The value of Cp & Cv respectively for monoatomic gases in Kcal/kg Mole . °K are 5 & 3 1.987 & 0.66 0.66 & 1.987 3.987 & 1.987 5 & 3 1.987 & 0.66 0.66 & 1.987 3.987 & 1.987 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, nCv(T₂ - T₁), is for the __________ of an ideal gas. None of these Compressibility Work done under adiabatic condition Co-efficient of thermal expansion None of these Compressibility Work done under adiabatic condition Co-efficient of thermal expansion ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is Less Dependent on climatic conditions Same More Less Dependent on climatic conditions Same More ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What happens in a reversible adiabatic expansion process? Pressure is constant Temperature is constant Heating takes place Cooling takes place Pressure is constant Temperature is constant Heating takes place Cooling takes place ANSWER DOWNLOAD EXAMIANS APP
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