Engineering Thermodynamics The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle) 1 - (T1/T2) 1 - (T2/T1) (T1/T2) - 1 1 + (T2/T1) 1 - (T1/T2) 1 - (T2/T1) (T1/T2) - 1 1 + (T2/T1) ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following variables controls the physical properties of a perfect gas? Volume Temperature All of these Pressure Volume Temperature All of these Pressure ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The energy of molecular motion appears as Potential energy Heat Surface tension Friction Potential energy Heat Surface tension Friction ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Kerosene is distilled at 345° to 470°C 470° to 550°C 220° to 345°C 65° to 220°C 345° to 470°C 470° to 550°C 220° to 345°C 65° to 220°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The mass of excess air supplied is equal to (100/23) × Mass of excess carbon (23/100) × Mass of excess carbon (23/100) × Mass of excess oxygen (100/23) × Mass of excess oxygen (100/23) × Mass of excess carbon (23/100) × Mass of excess carbon (23/100) × Mass of excess oxygen (100/23) × Mass of excess oxygen ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Properties of substances like pressure, temperature and density, in thermodynamic coordinates are Path functions Point functions Real functions Cyclic functions Path functions Point functions Real functions Cyclic functions ANSWER DOWNLOAD EXAMIANS APP