Chemical Engineering Thermodynamics Which of the following will increase the volume of a real gas by four times ? Doubling the absolute temperature as well as pressure of the gas Reducing pressure to one fourth at constant temperature Reducing temperature to one fourth at constant pressure Reducing the temperature to half and doubling the pressure Doubling the absolute temperature as well as pressure of the gas Reducing pressure to one fourth at constant temperature Reducing temperature to one fourth at constant pressure Reducing the temperature to half and doubling the pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Cooling Heating Simultaneous pressure & temperature change Both B and C Cooling Heating Simultaneous pressure & temperature change Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Co-efficient of Performance (COP) of a refrigerator is the ratio of the Refrigeration obtained to the work required Higher to lower temperature Lower to higher temperature Work required to refrigeration obtained Refrigeration obtained to the work required Higher to lower temperature Lower to higher temperature Work required to refrigeration obtained ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an exothremic reaction Only internal energy change (ΔE) is negative Enthalpy change is zero Only enthalpy change (ΔH) is negative Both ΔH and ΔE are negative Only internal energy change (ΔE) is negative Enthalpy change is zero Only enthalpy change (ΔH) is negative Both ΔH and ΔE are negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Fugacity is a measure of the Behaviour of ideal gases Relative volatility of a mixture of two miscible liquids Escaping tendencies of the same substance in different phases of a system None of these Behaviour of ideal gases Relative volatility of a mixture of two miscible liquids Escaping tendencies of the same substance in different phases of a system None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Activity co-efficient is a measure of the Vapour pressure of liquid None of these Departure from ideal solution behaviour Departure of gas phase from idea] gas law Vapour pressure of liquid None of these Departure from ideal solution behaviour Departure of gas phase from idea] gas law ANSWER DOWNLOAD EXAMIANS APP
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