Chemical Engineering Thermodynamics The main feature of Carnot refrigeration cycle is that, it Transfers heat from high temperature to low temperature None of these Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning Transfers heat from high temperature to low temperature None of these Accomplishes the reverse effect of the heat engine Does not need the addition of external work for its functioning ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Compressibility factor (i.e., the ratio of actual volume of gas to the volume predicted by ideal gas law) for all gases are Both B & C Same at the same reduced temperature Same at the same reduced pressure Always greater than one Both B & C Same at the same reduced temperature Same at the same reduced pressure Always greater than one ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics A refrigeration cycle is a reversed heat engine. Which of the following has the maximum value of the co-efficient of performance (COP) for a given refrigeration effect? Vapor compression cycle using expansion valve Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion engine Vapor compression cycle using expansion valve Air refrigeration cycle Carnot refrigeration cycle Vapor compression cycle using expansion engine ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Forward reaction will be favoured for the exothermic reaction, represented by CO + H₂O ⇋ CO₂ + H₂, by Low temperature and high pressure High temperature and high pressure Low temperature and low pressure High temperature and low pressure Low temperature and high pressure High temperature and high pressure Low temperature and low pressure High temperature and low pressure ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Cooling of a real gas Expansion of a real gas Reversible isothermal volume change Heating of an ideal gas Cooling of a real gas Expansion of a real gas Reversible isothermal volume change Heating of an ideal gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics At a given temperature, the volume of a gas dissolved in a solvent __________ with increase in pressure. Remains unchanged Increases Decreases May increase or decrease; depends on the gas Remains unchanged Increases Decreases May increase or decrease; depends on the gas ANSWER DOWNLOAD EXAMIANS APP
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