Chemical Engineering Thermodynamics In vapour compression refrigeration system, if the evaporator temperature and the condenser temperatures are -13°C and 37°C respetively, the Carnot COP will be 5.2 0.168 6.2 Data insufficient, can't be found out 5.2 0.168 6.2 Data insufficient, can't be found out ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Remains unchanged Decreases Increases Decreases linearly Remains unchanged Decreases Increases Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in Same COP Increased COP Decreased COP Increased or decreased COP ; depending upon the type of refrigerant Same COP Increased COP Decreased COP Increased or decreased COP ; depending upon the type of refrigerant ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The point at which all the three (solid, liquid and gas) phases co-exist, is known as the __________ point. Boyle Freezing Boiling Triple Boyle Freezing Boiling Triple 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 Negative Zero Infinity Positive Negative Zero Infinity Positive ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following non-flow reversible compression processes require maximum work? All of these Isothermal process Isobaric process Adiabatic process All of these Isothermal process Isobaric process Adiabatic process ANSWER DOWNLOAD EXAMIANS APP