Chemical Engineering Thermodynamics Domestic refrigerator usually works on the __________ refrigeration cycle. Air Carnot Vapour-ejection Absorption Air Carnot Vapour-ejection Absorption ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During adiabatic expansion of gas Pressure is increased None of these Temperature remains constant Pressure remains constant Pressure is increased None of these Temperature remains constant Pressure remains constant 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? Vapor compression cycle using expansion engine Air refrigeration cycle Vapor compression cycle using expansion valve Carnot refrigeration cycle Vapor compression cycle using expansion engine Air refrigeration cycle Vapor compression cycle using expansion valve Carnot refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At the critical point of a substance Liquid and vapour have the same density The surface tension vanishes There is no distinction between liquid and vapour phases All of these Liquid and vapour have the same density The surface tension vanishes There is no distinction between liquid and vapour phases All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The change in __________ is equal to the reversible work for compression in steady state flow process under isothermal condition. Enthalpy Internal energy Helmholtz free energy Gibbs free energy Enthalpy Internal energy Helmholtz free energy Gibbs free energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? DE = Tds - PdV Tds = dE - PdV DQ = CpdT + Vdp DQ = CvdT + PdV DE = Tds - PdV Tds = dE - PdV DQ = CpdT + Vdp DQ = CvdT + PdV ANSWER DOWNLOAD EXAMIANS APP
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