Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Carnot refrigeration cycle Air refrigeration cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Normal temperature and pressure (N.T.P.) corresponds to 15°C and 760 mm Hg 0°C and 760 mm Hg 20°C and 760 mm Hg 0°C and 1 kgf/cm² 15°C and 760 mm Hg 0°C and 760 mm Hg 20°C and 760 mm Hg 0°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Extensive properties of a thermodynamic system depend upon the __________ of the system. Pressure Specific volume Mass Temperature Pressure Specific volume Mass Temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At triple point (for one component system), vapour pressure of solid as compared to that of liquid will be Same Less More More or less ; depending on the system Same Less More More or less ; depending on the system ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Decreases Increases Remains unchanged Decreases linearly Decreases Increases Remains unchanged Decreases linearly ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Minimum number of phases that exists in a system is 1. Number of chemical species in a colloidal system is 4 1 2 3 4 1 2 3 ANSWER DOWNLOAD EXAMIANS APP