Chemical Engineering Thermodynamics Which of the following will increase the volume of a real gas by four times ? Reducing temperature to one fourth at constant pressure Doubling the absolute temperature as well as pressure of the gas Reducing the temperature to half and doubling the pressure Reducing pressure to one fourth at constant temperature Reducing temperature to one fourth at constant pressure Doubling the absolute temperature as well as pressure of the gas Reducing the temperature to half and doubling the pressure Reducing pressure to one fourth at constant temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics What is the value of ln y (where y = activity co-efficient) for ideal gases? Negative Zero Infinity Unity Negative Zero Infinity Unity ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics If we increase the pressure on a substance (which is at its triple point), then the triple point Remains unchanged Increases May increase or decrease ; depends on the substance Decreases Remains unchanged Increases May increase or decrease ; depends on the substance Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, nCv(Tâ - Tâ), is for the __________ of an ideal gas. None of these Co-efficient of thermal expansion Work done under adiabatic condition Compressibility None of these Co-efficient of thermal expansion Work done under adiabatic condition Compressibility 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 Less Data insufficient to predict More Same Less Data insufficient to predict More Same ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Helmholtz free energy (A) is defined as A = E - TS A = H + TS None of these A = H - TS A = E - TS A = H + TS None of these A = H - TS ANSWER DOWNLOAD EXAMIANS APP
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