Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Increased or decreased COP ; depending upon the type of refrigerant Same COP Decreased COP Increased COP Increased or decreased COP ; depending upon the type of refrigerant Same COP Decreased COP Increased COP ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The temperature at the eutectic point of the system is the __________ temperature that can be attained in the system. None of these Highest Lowest Average None of these Highest Lowest Average ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression, ΔG = nRT .In P₂/P₁ , gives the free energy change During heating of an ideal gas During cooling of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change During heating of an ideal gas During cooling of an ideal gas With pressure changes at constant temperature Under reversible isothermal volume change ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Efficiency of a heat engine working on Carnot cycle between two temperature levels depends upon the Mass of the working fluid Two temperatures only Pressure of working fluid Mass and pressure both of the working fluid Mass of the working fluid Two temperatures only Pressure of working fluid Mass and pressure both of the working fluid 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 10373 30554 4988.4 4364.9 10373 30554 4988.4 4364.9 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which one is true for a throttling process? The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity The inversion temperature is different for different gases A gas may have more than one inversion temperatures The inversion temperature is same for all gases The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity The inversion temperature is different for different gases A gas may have more than one inversion temperatures The inversion temperature is same for all gases ANSWER DOWNLOAD EXAMIANS APP