Chemical Engineering Thermodynamics Which of the following is an undesirable characteristics of a refrigerant ? It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils Its vapor pressure at the condenser temperature should be very high It should be non-explosive None of these It should have a sub-atmospheric vapor pressure at the temperature in refrigerator coils Its vapor pressure at the condenser temperature should be very high It should be non-explosive None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Requisites of a reversible process is that the System and surroundings pressure be equal System and surroundings temperature be equal Friction in the system should be absent None of these System and surroundings pressure be equal System and surroundings temperature be equal Friction in the system should be absent None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature. Decreases logarithmically Increases Remains constant Decreases Decreases logarithmically Increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A cyclic engine exchanges heat with two reservoirs maintained at 100 and 300°C respectively. The maximum work (in J) that can be obtained from 1000 J of heat extracted from the hot reservoir is 667 1000 651 349 667 1000 651 349 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The number of degrees of freedom at the triple point of water is Zero 3 2 1 Zero 3 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Melting of ice is an example of an __________ process. Isothermal Isometric None of these Adiabatic Isothermal Isometric None of these Adiabatic ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS