Chemical Engineering Thermodynamics With increase in temperature, the internal energy of a substance Increases Decreases May increase or decrease; depends on the substance Remains unchanged Increases Decreases May increase or decrease; depends on the substance Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The internal energy of an ideal gas does not change in a reversible __________ process. Isothermal Isobaric Isometric Adiabatic Isothermal Isobaric Isometric Adiabatic 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? DQ = CvdT + PdV DE = Tds - PdV Tds = dE - PdV DQ = CpdT + Vdp DQ = CvdT + PdV DE = Tds - PdV Tds = dE - PdV DQ = CpdT + Vdp ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is the same as a __________ cycle, Heat engine Turbine None of these Reversed heat engine Heat engine Turbine None of these Reversed heat engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at Low pressure & low temperature Low pressure & high temperature None of these High pressure & low temperature Low pressure & low temperature Low pressure & high temperature None of these High pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v₁ = 1 m³ and v₂ 3 m³ ) is max imum, when the value of 'n' is 1 1.66 1.44 1 1.66 1.44 ANSWER DOWNLOAD EXAMIANS APP
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