Engineering Thermodynamics The main cause for the irreversibility is All of these Mechanical and fluid friction Unrestricted expansion Heat transfer with a finite temperature difference All of these Mechanical and fluid friction Unrestricted expansion Heat transfer with a finite temperature difference ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will Decrease Increase Remain unchanged Increase/decrease depending on application Decrease Increase Remain unchanged Increase/decrease depending on application ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Boyle's law Gay-Lussac law Charles' law Joule's law Boyle's law Gay-Lussac law Charles' law Joule's law ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A diathermic wall is one which Discourages thermal interaction Prevents thermal interaction Permits thermal interaction Encourages thermal interaction Discourages thermal interaction Prevents thermal interaction Permits thermal interaction Encourages thermal interaction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For which of the following substances, the gas laws can be used with minimum error Saturated steam Dry steam Wet steam Superheated steam Saturated steam Dry steam Wet steam Superheated steam ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An isolated system is one in which 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 Mass crosses the boundary but not the energy Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
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