Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = nR ln (V₂/V₁) + nCv ln (T₂/T₁) is valid for 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 Heating of a substance Reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor of a gas is Not a function of its nature Unity, if it follows PV = nRT Not a function of its temperature Not a function of its pressure Not a function of its nature Unity, if it follows PV = nRT Not a function of its temperature Not a function of its pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Generation of heat by friction is an example of a/an __________ change. Reversible Isothermal Irreversible Adiabatic Reversible Isothermal Irreversible Adiabatic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Entropy change in case of reversible adiabatic process is Indeterminate Maximum Minimum Zero Indeterminate Maximum Minimum Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The root mean square speed of molecules of a gas is equal to (where, m = mass of the molecule K = Boltzman's constant, T = absolute temperature) 3KT/m √(6KT/m) √(3KT/m) √(2KT/m) 3KT/m √(6KT/m) √(3KT/m) √(2KT/m) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigeration capacity of a household refrigerator may be round about __________ tons. 4.5 6.5 0.15 1.5 4.5 6.5 0.15 1.5 ANSWER DOWNLOAD EXAMIANS APP
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