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 Simultaneous heating and expansion of an ideal gas Cooling of a substance Reversible isothermal volume change Heating of a substance Simultaneous heating and expansion of an ideal gas Cooling of a substance Reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Pressure-enthalpy chart is useful in refrigeration. The change in internal energy of an ideal fluid used in ideal refrigeration cycle is Infinity Positive Negative Zero Infinity Positive Negative Zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not a common refrigerant? Ethylene Ammonia Freon-12 Carbon dioxide Ethylene Ammonia Freon-12 Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which is an example of closed system? Air compressor Liquid cooling system of an automobile None of these Boiler Air compressor Liquid cooling system of an automobile None of these Boiler ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat is added at constant temperature in an ideal __________ cycle. None of these Stirling Rankine Brayton None of these Stirling Rankine Brayton ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which is not constant for an ideal gas? All of these (∂P/∂V)V (∂V/∂T)P (∂P/∂V)T All of these (∂P/∂V)V (∂V/∂T)P (∂P/∂V)T ANSWER DOWNLOAD EXAMIANS APP
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