Electrical Machines A 3-phase, 50Hz, 4 pole induction motor is running at 1440 rpm and rotor input power is 2KW. Find the rotor output power? 1450W 1920W 1820W 2000W 1450W 1920W 1820W 2000W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Total core loss is also called as -------------? Hysteresis loss Copper loss Magnetic loss Eddy current loss Hysteresis loss Copper loss Magnetic loss Eddy current loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? Synchronous motor. Single phase induction motor. AC slip ring motor. DC series motor. Synchronous motor. Single phase induction motor. AC slip ring motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series booster is a permanent magnet DC generator. shunt wound DC generator. series wound DC generator. separately excited DC generator. permanent magnet DC generator. shunt wound DC generator. series wound DC generator. separately excited DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A load of 900 lbs is to be raised with a lift car weighting 855 lbs at a speed of 110 feet per minute, the over balance being 40 % and percentage efficiency 45 %. Find the horse power of the motor without counterweight 150. 180. 160. 170. 150. 180. 160. 170. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Skewing of cage rotors offers the following advantages locking tendency is reduced. uniform torque. less noise. all of below. locking tendency is reduced. uniform torque. less noise. all of below. ANSWER DOWNLOAD EXAMIANS APP