Chemical Engineering Thermodynamics Heat of reaction at constant volume is identified with __________ change. Internal energy Either A or B Enthalpy Neither A nor B Internal energy Either A or B Enthalpy Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The third law of thermodynamics states that the Heat capacity of a crystalline solid is zero at absolute zero temperature Gases having same reduced properties behave similarly Heat transfer from low temperature to high temperature source is not possible without external work None of these Heat capacity of a crystalline solid is zero at absolute zero temperature Gases having same reduced properties behave similarly Heat transfer from low temperature to high temperature source is not possible without external work None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the atomic heat capacities of all solid elements Increases Decreases Remains unchanged Decreases linearly Increases Decreases Remains unchanged Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Co-efficient of Performance (COP) of a refrigerator is the ratio of the 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 Refrigeration obtained to the work required Higher to lower temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Melting of wax is accompanied with __________ in entropy. None of these Increase No change Decrease None of these Increase No change Decrease ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same. Work Temperature Kinematic viscosity None of these Work Temperature Kinematic viscosity None of these ANSWER DOWNLOAD EXAMIANS APP
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