Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Air refrigeration cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Ordinary vapour-compression cycle Air refrigeration cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Ordinary vapour-compression cycle ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the atomic heat capacities of all solid elements Increases Decreases Remains unchanged Decreases linearly Increases Decreases Remains unchanged Decreases linearly 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 T₁/(T₁-T₂) T₁/T₂ T₂/(T₁-T₂) T₂/R1 T₁/(T₁-T₂) T₁/T₂ T₂/(T₁-T₂) T₂/R1 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The activity of an ideal gas is numerically __________ its pressure. Data insufficient, can't be predicted Less than More than Equal to Data insufficient, can't be predicted Less than More than Equal to ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the __________ equation. Gibbs-Duhem None of these Maxwell's Clayperon Gibbs-Duhem None of these Maxwell's Clayperon ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Work done in an adiabatic process between two states depends on the None of these Initial state only End states only Rate of heat transmission None of these Initial state only End states only Rate of heat transmission ANSWER DOWNLOAD EXAMIANS APP
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