Chemical Engineering Thermodynamics Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is (T₁ - T₂)/T₂ T₂/(T₁ - T₂) T₁/(T₁ - T₂) (T₁ - T₂)/T₁ (T₁ - T₂)/T₂ T₂/(T₁ - T₂) T₁/(T₁ - T₂) (T₁ - T₂)/T₁ ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Grams of butane (C₄H₁₀) formed by the liquefaction of 448 litres of the gas (measured at (STP) would be Data insufficient; can't be computed 640 580 1160 Data insufficient; can't be computed 640 580 1160 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 Heating Cooling Both B and C Simultaneous pressure & temperature change Heating Cooling Both B and C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The equation, PV = nRT, is best obeyed by gases at None of these Low pressure & high temperature Low pressure & low temperature High pressure & low temperature None of these Low pressure & high temperature Low pressure & low temperature High pressure & low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Helmholtz free energy (A) is defined as None of these A = H + TS A = H - TS A = E - TS None of these A = H + TS A = H - TS A = E - TS ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches An indeterminate value Unity Zero Infinity An indeterminate value Unity Zero Infinity ANSWER DOWNLOAD EXAMIANS APP
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