Chemical Engineering Thermodynamics In a working refrigerator, the value of COP is always > 1 < 1 < 0 > 1 < 1 < 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The expression for entropy change given by, ΔS = - nR ln (P₂/P₁), holds good for Heating of an ideal gas Reversible isothermal volume change Cooling of a real gas Expansion of a real gas Heating of an ideal gas Reversible isothermal volume change Cooling of a real gas Expansion of a real gas ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics With increase in temperature, the internal energy of a substance Increases Decreases Remains unchanged May increase or decrease; depends on the substance Increases Decreases Remains unchanged May increase or decrease; depends on the substance ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a given substance at a specified temperature, activity is __________ to fugacity. Inversely proportional Directly proportional None of these Equal Inversely proportional Directly proportional None of these Equal 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 154 K 174 K 274 K 35 K 154 K 174 K ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Tea kept in a thermos flask is vigorously shaken. If the tea is considered as a system, then its temperature will Remain unchanged First fall and then rise Decrease Increase Remain unchanged First fall and then rise Decrease Increase ANSWER DOWNLOAD EXAMIANS APP
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