Electrical Machines Current in a coil undergoing commutation is not able to get reversed completely by the end of commutation period. It is due to coil resistance. reactance voltage induced in the coil. armature emf. None of these coil resistance. reactance voltage induced in the coil. armature emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. cylindrical. none of these. non uniform cylindrical. salient. cylindrical. none of these. non uniform cylindrical. salient. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is maximum torque. electromagnetic torque. starting torque. none. maximum torque. electromagnetic torque. starting torque. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be 1000 rpm 500 rpm 2000 rpm 250 rpm 1000 rpm 500 rpm 2000 rpm 250 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 stack stepper motor has 12 teeth on stator as well as on rotor. Determine the step size when each stack excited? 10°. 30°. 24°. 45°. 10°. 30°. 24°. 45°. 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 plugging. crawling. cogging. locking. plugging. crawling. cogging. locking. ANSWER DOWNLOAD EXAMIANS APP
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