Engineering Thermodynamics One reversible heat engine operates between 1600 K and T2 K and another reversible heat engine operates between T2 K and 400 K. If both the engines have the same heat input and output, then temperature T2 is equal to 800 K 1400 K 1200 K 1000 K 800 K 1400 K 1200 K 1000 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following statement is correct according to Clausis statement of second law of thermodynamics? It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature by using refrigeration cycle. It is impossible to transfer heat from a body at a lower temperature to a body at a higher temperature, without the aid of an external source. None of these It is possible to transfer heat from a body at a lower temperature to a body at a higher temperature. ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is an irreversible cycle? Stirling Carnot Ericsson None of these Stirling Carnot Ericsson None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Stirling and Ericsson cycles are Semi-reversible cycles Reversible cycles Quasi-static cycles Irreversible cycles Semi-reversible cycles Reversible cycles Quasi-static cycles Irreversible cycles ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The increase in entropy of a system represents Increase in temperature Decrease in pressure Degradation of energy Increase in availability of energy Increase in temperature Decrease in pressure Degradation of energy Increase in availability of energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics When the gas is heated at constant volume, the heat supplied Does some external work during expansion Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas None of these Does some external work during expansion Both (A) and (B) Increases the internal energy of the gas and increases the temperature of the gas None of these ANSWER DOWNLOAD EXAMIANS APP
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