Engineering Thermodynamics A manufacturer claims to have a heat engine capable of developing 20 h.p. by receiving heat input of 400 kcal/mt and working between the temperature limits of 227° C and 27° C. His claim is Not possible Cost will be very high Theoretically possible May be possible with lot of sophistications Not possible Cost will be very high Theoretically possible May be possible with lot of sophistications ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Temperature of a gas is produced due to Kinetic energy of molecules Its heating value Surface tension of molecules Repulsion of molecules Kinetic energy of molecules Its heating value Surface tension of molecules Repulsion of molecules ANSWER DOWNLOAD EXAMIANS APP
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 1200 K 1000 K 1400 K 800 K 1200 K 1000 K 1400 K ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Gay Lussac’s law for a perfect gas, the absolute pressure of given mass varies directly as Temperature Absolute temperature, if volume is kept constant Volume, if temperature is kept constant None of these Temperature Absolute temperature, if volume is kept constant Volume, if temperature is kept constant None of these 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 Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system Mass does not cross boundaries of the system, though energy may do so Mass crosses the boundary but not the energy Neither mass nor energy crosses the boundaries of the system Both energy and mass cross the boundaries of the system ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For the same compression ratio, the efficiency of dual combustion cycle is Less than Diesel cycle and greater than Otto cycle Greater than Diesel cycle Greater than Diesel cycle and less than Otto cycle Less than Diesel cycle Less than Diesel cycle and greater than Otto cycle Greater than Diesel cycle Greater than Diesel cycle and less than Otto cycle Less than Diesel cycle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS