Engineering Thermodynamics The heat energy stored in the gas and used for raising the temperature of the gas is known as External energy Molecular energy Kinetic energy Internal energy External energy Molecular energy Kinetic energy Internal energy ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The compression ratio for petrol engines is 15 to 30 5 to 8 3 to 6 10 to 20 15 to 30 5 to 8 3 to 6 10 to 20 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The first law of thermodynamics is the law of Conservation of mass Conservation of momentum Conservation of energy Conservation of heat Conservation of mass Conservation of momentum Conservation of energy Conservation of heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics An open system is one in which 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 Mass does not cross boundaries of the system, though energy may do so ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The mass of excess air supplied is equal to (100/23) × Mass of excess carbon (100/23) × Mass of excess oxygen (23/100) × Mass of excess carbon (23/100) × Mass of excess oxygen (100/23) × Mass of excess carbon (100/23) × Mass of excess oxygen (23/100) × Mass of excess carbon (23/100) × Mass of excess oxygen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is 25 bar 23.97 bar 26.03 bar 34.81 bar 25 bar 23.97 bar 26.03 bar 34.81 bar ANSWER DOWNLOAD EXAMIANS APP