Chemical Engineering Thermodynamics For a constant volume process dQ = dE + pdV dW = pdV dE = CpdT dE = CvdT dQ = dE + pdV dW = pdV dE = CpdT dE = CvdT ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In the equation PVn = constant, if the value of n = y = Cp/Cv, then it represents a reversible __________ process. Adiabatic Isentropic Isothermal Polytropic Adiabatic Isentropic Isothermal Polytropic ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Contracts Either A, B or C Does not change in volume Expands Contracts Either A, B or C Does not change in volume Expands ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c. 273 28.3 283 2.73 273 28.3 283 2.73 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Maximum work that could be secured by expanding the gas over a given pressure range is the __________ work. Adiabatic Isentropic None of these Isothermal Adiabatic Isentropic None of these Isothermal 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 Simultaneous heating and expansion of an ideal gas Heating of a substance Cooling of a substance Reversible isothermal volume change Simultaneous heating and expansion of an ideal gas Heating of a substance Cooling of a substance Reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
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