Electrical Machines The 3 - Φ induction motors are, by a very considerable margin, the most widely used AC motors as they have maximum efficiency and maximum starting torque. they have very good speed regulation. they are capable of operation under range of leading and lagging pf. these are cheaper in cost, simple and rugged in construction. they have maximum efficiency and maximum starting torque. they have very good speed regulation. they are capable of operation under range of leading and lagging pf. these are cheaper in cost, simple and rugged in construction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a DC cummulative compound wound motor is loaded Torque increase and speed decrease. Both torque and speed decrease. Torque and speed both increase. Torque decrease and speed increases. Torque increase and speed decrease. Both torque and speed decrease. Torque and speed both increase. Torque decrease and speed increases. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? None of these increase either increase or decrease decrease None of these increase either increase or decrease decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The crawling in the induction motor is caused by high loads improper design of stator laminations harmonics developed in the motor low voltage supply high loads improper design of stator laminations harmonics developed in the motor low voltage supply ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The back emf produced in a dc motor depends on Z. none of these. P. P and Z. Z. none of these. P. P and Z. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a conductively compensated DC series motor, the compensating winding is provided In parallel with the field winding. In parallel with the armature winding. In series with the armature winding. As a separate unit. In parallel with the field winding. In parallel with the armature winding. In series with the armature winding. As a separate unit. ANSWER DOWNLOAD EXAMIANS APP
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