Chemical Engineering Thermodynamics Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates More accurate plotting Covering of wide range Use of only one graph for all gases Easier plotting More accurate plotting Covering of wide range Use of only one graph for all gases Easier plotting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigeration cycles, which one has maximum COP? Carnot cycle Air cycle Vapor compression with a reversible expansion engine Ordinary vapor compression cycle Carnot cycle Air cycle Vapor compression with a reversible expansion engine Ordinary vapor compression cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the Neither A nor B Hot reservoir approaches infinity Cold reservoir approaches zero Either A or B Neither A nor B Hot reservoir approaches infinity Cold reservoir approaches zero Either A or B ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Heat of formation of an element in its standard state is > 0 < 0 A function of pressure > 0 < 0 A function of pressure 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 3 4 2 1 3 4 2 1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change, ΔS = n Cp . ln (T₂/T₁), is valid for the __________ of a substance. Simultaneous pressure & temperature change Cooling Both B and C Heating Simultaneous pressure & temperature change Cooling Both B and C Heating ANSWER DOWNLOAD EXAMIANS APP