Chemical Engineering Thermodynamics __________ does not change during phase transformation processes like sublimation, melting & vaporisation. Internal energy Gibbs free energy Entropy All of these Internal energy Gibbs free energy Entropy All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The principle applied in liquefaction of gases is Neither A nor B Both A and B Adiabatic expansion Joule-Thomson effect Neither A nor B Both A and B Adiabatic expansion Joule-Thomson effect ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Refrigeration cycle Both A and B Violates second law of thermodynamics Neither A nor B Involves transfer of heat from low temperature to high temperature Both A and B Violates second law of thermodynamics Neither A nor B Involves transfer of heat from low temperature to high temperature 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 May increase or decrease ; depends on the substance Remains unchanged Decreases Increases May increase or decrease ; depends on the substance Remains unchanged Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? It should be non-explosive It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils Its vapor pressure at the condenser temperature should be very high None of these It should be non-explosive It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils Its vapor pressure at the condenser temperature should be very high None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics One mole of nitrogen at 8 bar and 600 K is contained in a piston-cylinder arrangement. It is brought to 1 bar isothermally against a resisting pressure of 1 bar. The work done (in Joules) by the gas is 30554 10373 4988.4 4364.9 30554 10373 4988.4 4364.9 ANSWER DOWNLOAD EXAMIANS APP
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