Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it None of these Does not need the addition of external work for its functioning Accomplishes the reverse effect of the heat engine Transfers heat from high temperature to low temperature None of these Does not need the addition of external work for its functioning Accomplishes the reverse effect of the heat engine Transfers heat from high temperature to low temperature ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics 1m³ of an ideal gas at 500 K and 1000 kPa expands reversibly to 5 times its initial volume in an insulated container. If the specific heat capacity (at constant pressure) of the gas is 21 J/mole . K, the final temperature will be 274 K 35 K 174 K 154 K 274 K 35 K 174 K 154 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The melting point of paraffin wax (which contracts on solidification) __________ with pressure rise. Decreases linearly Remains unchanged Increases Decreases Decreases linearly Remains unchanged Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Trouton's ratio is given by (where λb, = molal heat of vaporisation of a substance at its normal boiling point, kcal/kmol Tb = normal boiling point, °K ) λb/Tb √(Tb/λb) Tb/λb √(λb/Tb) λb/Tb √(Tb/λb) Tb/λb √(λb/Tb) ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Work done may be calculated by the expression ∫p dA for __________ processes. Both A and B Neither A nor B Adiabatic Non-flow reversible Both A and B Neither A nor B Adiabatic Non-flow reversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Work done in an adiabatic process between two states depends on the None of these End states only Initial state only Rate of heat transmission None of these End states only Initial state only Rate of heat transmission ANSWER DOWNLOAD EXAMIANS APP
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