Chemical Engineering Thermodynamics Which of the following will increase the volume of a real gas by four times ? Reducing pressure to one fourth at constant temperature Reducing temperature to one fourth at constant pressure Reducing the temperature to half and doubling the pressure Doubling the absolute temperature as well as pressure of the gas Reducing pressure to one fourth at constant temperature Reducing temperature to one fourth at constant pressure Reducing the temperature to half and doubling the pressure Doubling the absolute temperature as well as pressure of the gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In a reversible chemical reaction (where, Δx = number of moles of products-number of moles of reactants ) Pressure has no effect on equilibrium, when Δn = 0 All of these Addition of inert gas favours the forward reaction, when Δx is positive Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero) Pressure has no effect on equilibrium, when Δn = 0 All of these Addition of inert gas favours the forward reaction, when Δx is positive Addition of inert gas has no effect on the equilibrium constant at constant volume for any value of Δx (+ ve, - ve) or zero) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation Tds = dE - PdV applies to Single phase fluid of constant composition Both B and C Single phase fluid of varying composition Open as well as closed systems Single phase fluid of constant composition Both B and C Single phase fluid of varying composition Open as well as closed systems ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Internal energy is equal to the heat absorbed in case of a/an __________ process. Constant pressure Constant volume Adiabatic Polytropic Constant pressure Constant volume Adiabatic Polytropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At constant temperature and pressure, for one mole of a pure substance, the ratio of the free energy to the chemical potential is Infinity Zero Negative One Infinity Zero Negative One ANSWER DOWNLOAD EXAMIANS APP
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? Air refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion valve Vapor compression cycle using expansion engine Carnot refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
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