Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Vapour-compression process with a reversible expansion engine Air refrigeration cycle Ordinary vapour-compression cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle Ordinary vapour-compression cycle Reverse Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A Carnot cycle consists of the following steps : Two isochorics and two isobarics Two isobarics and two isothermals Two isothermals and two isochorics Two isothermals and two isentropics Two isochorics and two isobarics Two isobarics and two isothermals Two isothermals and two isochorics Two isothermals and two isentropics ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor of a gas is Unity, if it follows PV = nRT Not a function of its nature Not a function of its temperature Not a function of its pressure Unity, if it follows PV = nRT Not a function of its nature Not a function of its temperature Not a function of its pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in compression ratio, the efficiency of the otto engine Increases linearly Increases Decreases Remains constant Increases linearly Increases Decreases Remains constant 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 DQ = CvdT + PdV DQ = CpdT + Vdp Tds = dE - PdV DE = Tds - PdV DQ = CvdT + PdV DQ = CpdT + Vdp Tds = dE - PdV ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Enthalpy changes over a constant pressure path are always zero for __________ gas. A perfect A real Any An easily liquefiable A perfect A real Any An easily liquefiable ANSWER DOWNLOAD EXAMIANS APP
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