Chemical Engineering Thermodynamics Refrigeration cycle Involves transfer of heat from low temperature to high temperature Neither A nor B Both A and B Violates second law of thermodynamics Involves transfer of heat from low temperature to high temperature Neither A nor B Both A and B Violates second law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics The following heat engine produces power of 100000 kW. The heat engine operates between 800 K and 300 K. It has a thermal efficiency equal to 50% of that of the Carnot engine for the same temperature. The rate at which heat is absorbed from the hot reservoir is 200, 000 kW 320, 000 kW 100, 000 kW 160, 000 kW 200, 000 kW 320, 000 kW 100, 000 kW 160, 000 kW ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which one is true for a throttling process? A gas may have more than one inversion temperatures The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity The inversion temperature is same for all gases The inversion temperature is different for different gases A gas may have more than one inversion temperatures The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity The inversion temperature is same for all gases The inversion temperature is different for different gases ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics For a reversible process involving only pressure-volume work (dF)T, p > 0 (dF)T, p < 0 (dA)T, v < 0 (dF)T, p = 0 (dF)T, p > 0 (dF)T, p < 0 (dA)T, v < 0 (dF)T, p = 0 ANSWER DOWNLOAD EXAMIANS APP
Chemical Engineering Thermodynamics Which of the following has the minimum value of COP for a given refrigeration effect? Vapour-compression process with a reversible expansion engine Air refrigeration cycle Ordinary vapour-compression cycle Reverse Carnot cycle Vapour-compression process with a reversible expansion engine Air refrigeration cycle Ordinary vapour-compression cycle Reverse Carnot cycle 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 174 K 35 K 274 K 154 K 174 K 35 K 274 K 154 K ANSWER DOWNLOAD EXAMIANS APP
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