Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 4KVA 0KVA 16KVA 20KVA 4KVA 0KVA 16KVA 20KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is an advisable to use auto transformer if the transformation ratio is near to 1. 0.5. 0.25. Greater than 1. near to 1. 0.5. 0.25. Greater than 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Example of double excited machine is DC Shunt Motor None of these Synchronous motor. Both are correct. DC Shunt Motor None of these Synchronous motor. Both are correct. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 50 Hz, 4 pole induction motor is running at 1440 rpm. Find the rotor efficiency? 95% 96% 92% 94% 95% 96% 92% 94% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The oscillation in a synchronous motor can be damped out by providing damper bars in the rotor pole faces. maintaining constant excitation. running the motor on leading power factors. oscillation cannot be damped. providing damper bars in the rotor pole faces. maintaining constant excitation. running the motor on leading power factors. oscillation cannot be damped. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an series motor. AC synchronous motor. cummulative compound motor. shunt motor. series motor. AC synchronous motor. cummulative compound motor. shunt motor. ANSWER DOWNLOAD EXAMIANS APP