Chemical Engineering Thermodynamics The third law of thermodynamics states that the Gases having same reduced properties behave similarly Heat capacity of a crystalline solid is zero at absolute zero temperature None of these Heat transfer from low temperature to high temperature source is not possible without external work Gases having same reduced properties behave similarly Heat capacity of a crystalline solid is zero at absolute zero temperature None of these Heat transfer from low temperature to high temperature source is not possible without external work 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. Cooling Simultaneous pressure & temperature change Both B and C Heating Cooling Simultaneous pressure & temperature change Both B and C Heating ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 1st law of thermodynamics is nothing but the law of conservation of Momentum Energy None of these Mass Momentum Energy None of these Mass ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics __________ law of thermodynamics ascertains the direction of a particular spontaneous process. First Second Zeroth Third First Second Zeroth Third ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Out of the following refrigeration cycles, which one has maximum COP? Ordinary vapor compression cycle Air cycle Vapor compression with a reversible expansion engine Carnot cycle Ordinary vapor compression cycle Air cycle Vapor compression with a reversible expansion engine Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
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 Data insufficient, can't be found out 0.168 6.2 5.2 Data insufficient, can't be found out 0.168 6.2 5.2 ANSWER DOWNLOAD EXAMIANS APP