Chemical Engineering Thermodynamics Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)? Ammonia Methyl chloride Freon Liquid sulphur dioxide Ammonia Methyl chloride Freon Liquid sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics In case of an __________ process, the temperature of the system increases. Adiabatic compression Isothermal compression Adiabatic expansion Isothermal expansion Adiabatic compression Isothermal compression Adiabatic expansion Isothermal expansion 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 Positive Infinity Zero Negative Positive Infinity Zero Negative ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a cyclic process, a fixed ratio between heat and work May exist Is difficult to predict Always exists Never exists May exist Is difficult to predict Always exists Never exists ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following is not correct for a reversible adiabatic process? None of these TVγ-1 = constant P1-γ.TY = constant PVγ = constant None of these TVγ-1 = constant P1-γ.TY = constant PVγ = constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The chemical potential for a pure substance is __________ its partial molal free energy. Less than Not related to More than Equal to Less than Not related to More than Equal to ANSWER DOWNLOAD EXAMIANS APP
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