Electrical Machines In V/f speed control of 3-phase induction motor, with increase in frequency, the slip at which maximum torque occurs increase. either of these. decrease. None of these increase. either of these. decrease. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In above question, the output power delivered by generator G1 and G2 will be 9.3 kW, 9.3 kW. 9.6 kW, 12 kW. 6.3 kW, 9.3 kW. 5.7 kW, 8.7 kW. 9.3 kW, 9.3 kW. 9.6 kW, 12 kW. 6.3 kW, 9.3 kW. 5.7 kW, 8.7 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines On what factors the speed of dc motor depends? Field flux. Applied voltage. Armature current Ia. All of these. Field flux. Applied voltage. Armature current Ia. All of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotating part of DC motor is known as Carbone brush. Starter. Pole. Armature. Carbone brush. Starter. Pole. Armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor when started on no load does not accelerate up to full speed but runs at 1/7th of the rated speed. The motor is said to be cogging. crawling. locking. plugging. cogging. crawling. locking. plugging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor used in hair dryers? Split phase IM. Cage induction motor. Synchronous motors. Shaded pole IM. Split phase IM. Cage induction motor. Synchronous motors. Shaded pole IM. ANSWER DOWNLOAD EXAMIANS APP