Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is lagging. zero. leading. unity. lagging. zero. leading. unity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which method is less recommendable for induction motor starting in the industries? Stator resistance starting. Rotor resistance starting. Direct online starting. Auto transformer starting. Stator resistance starting. Rotor resistance starting. Direct online starting. Auto transformer starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a 1-phase induction motor, if the forward torque slip is S, what is the backward torque slip? S 2-S 1/S 1-S S 2-S 1/S 1-S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Saving of copper in auto transformer is increased as compared to two winding transformer, when transformation ratio K approaches to zero. unity. two. infinity. zero. unity. two. infinity. 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 locking. crawling. plugging. cogging. locking. crawling. plugging. cogging. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. salient. none of these. cylindrical. non uniform cylindrical. salient. none of these. cylindrical. non uniform cylindrical. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS