Chemical Engineering Thermodynamics The compressibility factor of a gas is given by (where, V₁ = actual volume of the gas V₂ = gas volume predicted by ideal gas law ) V₁-V₂ V₁/V₂ V₂/V₁ V₁.V₂ V₁-V₂ V₁/V₂ V₂/V₁ V₁.V₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the internal energy of a substance Remains unchanged May increase or decrease; depends on the substance Decreases Increases Remains unchanged May increase or decrease; depends on the substance Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for Heating of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Cooling of a substance Heating of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Cooling of a substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity and pressure are numerically equal, when the gas is In standard state At low temperature At high pressure In ideal state In standard state At low temperature At high pressure In ideal state ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Vapour which is at a pressure smaller than the saturation pressure for the temperature involved is called a __________ vapour. None of these Desuperheated Superheated Non-condensable None of these Desuperheated Superheated Non-condensable ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The efficiency of an Otto engine compared to that of a diesel engine, for the same compression ratio will be Data insufficient to predict More Same Less Data insufficient to predict More Same Less ANSWER DOWNLOAD EXAMIANS APP