Chemical Engineering Thermodynamics Which of the following equations is obtained on combining 1st and 2nd law of thermodynamics, for a system of constant mass? DQ = CpdT + Vdp DQ = CvdT + PdV DE = Tds - PdV Tds = dE - PdV DQ = CpdT + Vdp DQ = CvdT + PdV DE = Tds - PdV Tds = dE - PdV ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Enthalpy of a gas depends upon its Pressure Volume Mass Temperature Pressure Volume Mass Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure. May increase or decrease; depends on the gas Remains unchanged Decreases Increases May increase or decrease; depends on the gas Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Ordinary vapour-compression cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle Reverse Carnot cycle Ordinary vapour-compression cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle Reverse Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling (Joule-Thomson effect) process is a constant __________ process. Entropy Pressure None of these Enthalpy Entropy Pressure None of these Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A large iceberg melts at the base, but not at the top, because of the reason that The iceberg remains in a warmer condition at the base Due to the high pressure at the base, its melting point reduces Ice at the base contains impurities which lowers its melting point All of these The iceberg remains in a warmer condition at the base Due to the high pressure at the base, its melting point reduces Ice at the base contains impurities which lowers its melting point All of these ANSWER DOWNLOAD EXAMIANS APP