Engineering Thermodynamics The efficiency of Diesel cycle increases with Constant cut-off None of these Decrease in cut-off Increase in cut-off Constant cut-off None of these Decrease in cut-off Increase in cut-off ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of Diesel cycle depends upon Pressure ratio Cut-off ratio and compression ratio Compression ratio Temperature limits Pressure ratio Cut-off ratio and compression ratio Compression ratio Temperature limits ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the correct statement of the second law of thermodynamics? There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy All of these It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The change of entropy, when heat is absorbed by the gas, is Negative Positive or negative Positive None of these Negative Positive or negative Positive None of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics In an isothermal process, the internal energy of gas molecules May increase/decrease depending on the properties of gas Remain constant Decreases Increases May increase/decrease depending on the properties of gas Remain constant Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A perpetual motion machine is A thermodynamic machine A hypothetical machine A non-thermodynamic machine A hypothetical machine whose operation would violate the laws of thermodynamics A thermodynamic machine A hypothetical machine A non-thermodynamic machine A hypothetical machine whose operation would violate the laws of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
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