Electrical Machines The current drawn by a DC motor at the time of starting is Very low. Zero. Very high. Normal. Very low. Zero. Very high. Normal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The self induced emf in the coil undergoing commutation is called the reactance voltage. dynamically induced voltage. None of these statically induced voltage. reactance voltage. dynamically induced voltage. None of these statically induced voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commonly used starters of cage motor is DOL. both A and B. star delta. None of these DOL. both A and B. star delta. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motor with rotor circuit open will get over heated. run normally. not run. make noise. get over heated. run normally. not run. make noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The function of field regulator in a DC compound motor is to vary the armature resistance. control field current. limit the armature current. none of above. vary the armature resistance. control field current. limit the armature current. none of above. 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. cogging. crawling. locking. plugging. cogging. crawling. locking. ANSWER DOWNLOAD EXAMIANS APP