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 It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source All of these There is a definite amount of mechanical energy, which can be obtained from a given quantity of heat energy It is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work It is impossible to transfer heat from a body at a lower temperature to a higher temperature, without the aid of an external source All of these ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ratio of two specific heats of air is equal to 0.1 1.41 0.17 0.24 0.1 1.41 0.17 0.24 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A closed system is one in which Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Neither mass nor energy crosses the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is the property of a system? Enthalpy and entropy All of these Volume and density Pressure and temperature Enthalpy and entropy All of these Volume and density Pressure and temperature ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Measurement of temperature is based on Second law of thermodynamics First law of thermodynamics Zeroth law of thermodynamics Thermodynamic properties Second law of thermodynamics First law of thermodynamics Zeroth law of thermodynamics Thermodynamic properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle Depends on other factors More Equal Less Depends on other factors More Equal Less ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS