Chemical Engineering Thermodynamics 4 kg moles of an ideal gas expands in vacuum spontaneously. The work done is Zero ∞ 4 J 8 J Zero ∞ 4 J 8 J ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Throttling process is a/an __________ process. Reversible and isothermal Irreversible and constant enthalpy Reversible and constant entropy Reversible and constant enthalpy Reversible and isothermal Irreversible and constant enthalpy Reversible and constant entropy Reversible and constant enthalpy ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Co-efficient of performance for a reversed Carnot cycle working between temperatures T₁ and T₂ (T₁ > T₂) is (T₁ - T₂)/T₂ (T₁ - T₂)/T₁ T₂/(T₁ - T₂) T₁/(T₁ - T₂) (T₁ - T₂)/T₂ (T₁ - T₂)/T₁ T₂/(T₁ - T₂) T₁/(T₁ - T₂) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A/an __________ system is exemplified by a vessel containing a volatile liquid in contact with its vapor. Open Closed None of these Isolated Open Closed None of these Isolated ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The third law of thermodynamics states that the Heat transfer from low temperature to high temperature source is not possible without external work None of these Heat capacity of a crystalline solid is zero at absolute zero temperature Gases having same reduced properties behave similarly Heat transfer from low temperature to high temperature source is not possible without external work None of these Heat capacity of a crystalline solid is zero at absolute zero temperature Gases having same reduced properties behave similarly 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 Both B and C Simultaneous pressure & temperature change Heating Cooling Both B and C Simultaneous pressure & temperature change Heating ANSWER DOWNLOAD EXAMIANS APP