Chemical Engineering Thermodynamics The equation DU = Tds - PdV is applicable to infinitesimal changes occuring in An open system with changes in composition An open system of constant composition A closed system with changes in composition A closed system of constant composition An open system with changes in composition An open system of constant composition A closed system with changes in composition A closed system of constant composition ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor-reduced pressure plot on reduced co-ordinates facilitates Use of only one graph for all gases More accurate plotting Covering of wide range Easier plotting Use of only one graph for all gases More accurate plotting Covering of wide range Easier plotting ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigeration cycles, which one has maximum COP? Ordinary vapor compression cycle Vapor compression with a reversible expansion engine Air cycle Carnot cycle Ordinary vapor compression cycle Vapor compression with a reversible expansion engine Air cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics During a reversible isothermal expansion of an ideal gas, the entropy change is +ve -ve ∞ +ve -ve ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is Zero ∞ 8 J 4 J Zero ∞ 8 J 4 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a cyclic process, a fixed ratio between heat and work Never exists Always exists May exist Is difficult to predict Never exists Always exists May exist Is difficult to predict ANSWER DOWNLOAD EXAMIANS APP
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