Chemical Engineering Thermodynamics Fundamental principle of refrigeration is based on the __________ law of thermodynamics. First Zeroth Second Third First Zeroth Second Third 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
Chemical Engineering Thermodynamics When a system is in equilibrium for all possible processes, the differential or finite change of entropy is = 0 None of these > 0 < 0 = 0 None of these > 0 < 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics COP of a refrigerator drawing 1 kW of power per ton of refrigeration is about 0.5 3.5 4.5 8.5 0.5 3.5 4.5 8.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Critical temperature is defined as the temperature above which a gas will Never liquify however high the pressure may be Immediately liquify Not liquify (barring exceptions) None of these Never liquify however high the pressure may be Immediately liquify Not liquify (barring exceptions) None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following processes can not be made reversible even under ideal condition of operation? Expansion of steam in a turbine Free expansion of a gas All of these Compression of air in a compressor Expansion of steam in a turbine Free expansion of a gas All of these Compression of air in a compressor ANSWER DOWNLOAD EXAMIANS APP
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