Chemical Engineering Thermodynamics Entropy of a substance remains constant during a/an __________ change. Reversible isothermal Reversible adiabatic None of these Irreversible isothermal Reversible isothermal Reversible adiabatic None of these Irreversible isothermal ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The kinetic energy of gas molecule is zero at 0°C 100°C -273°C 273°C 0°C 100°C -273°C 273°C ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Thermal efficiency of a Carnot engine can approach 100%, only when the temperature of the Hot reservoir approaches infinity Neither A nor B Either A or B Cold reservoir approaches zero Hot reservoir approaches infinity Neither A nor B Either A or B Cold reservoir approaches zero ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Gibbs free energy of mixing at constant pressure and temperature is always - ve ∞ + ve - ve ∞ + ve ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For an ideal gas, the enthalpy Is independent of pressure Is a path function Decreases with rise in pressure Increases with rise in pressure Is independent of pressure Is a path function Decreases with rise in pressure Increases with rise in pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The efficiency of a Carnot heat engine operating between absolute temperatures T₁ and T₂ (when, T₁ > T₂) is given by (T₁ - T₂)/T₁. The co-efficient of performance (C.O.P.) of a Carnot heat pump operating between T₁ and T₂ is given by T₂/(T₁-T₂) T₁/(T₁-T₂) T₁/T₂ T₂/R1 T₂/(T₁-T₂) T₁/(T₁-T₂) T₁/T₂ T₂/R1 ANSWER DOWNLOAD EXAMIANS APP
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