Chemical Engineering Thermodynamics Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)? Freon Ammonia Liquid sulphur dioxide Methyl chloride Freon Ammonia Liquid sulphur dioxide Methyl chloride ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The free energy change for a chemical reaction is given by (where, K = equilibrium constant) RT lnK -RT lnK -R lnK T lnK RT lnK -RT lnK -R lnK T lnK 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 Mass and pressure both of the working fluid Two temperatures only Pressure of working fluid Mass of the working fluid Mass and pressure both of the working fluid Two temperatures only Pressure of working fluid ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The freezing point of a liquid decreases when the pressure is increased, if the liquid __________ while freezing. Either A, B or C Contracts Expands Does not change in volume Either A, B or C Contracts Expands Does not change in volume 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 Increases Remains unchanged Decreases May increase or decrease ; depends on the substance Increases Remains unchanged Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics When a gas in a vessel expands, its internal energy decreases. The process involved is Reversible Isothermal Irreversible Adiabatic Reversible Isothermal Irreversible Adiabatic ANSWER DOWNLOAD EXAMIANS APP
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