Electrical Machines In case of IM the torque is directly proportional to slip2. directly proportional to slip. inversely proportional to √slip. inversely proportional to slip. directly proportional to slip2. directly proportional to slip. inversely proportional to √slip. inversely proportional to slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Direct-on-line (DOL) starters are not suitable for starting large DC motors, because the motor may not start. the starting current will be enormously high. the motor may run away. the starting torque becomes low. the motor may not start. the starting current will be enormously high. the motor may run away. the starting torque becomes low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor may be unbalanced due to overload. overheating of winding. poor lubrication. uneven air gap. overload. overheating of winding. poor lubrication. uneven air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The efficiency of a transformer is mainly dependent on stray losses. core losses. copper losses. dielectric losses. stray losses. core losses. copper losses. dielectric losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a DC series motor is Inversely proportional to the armature current. Proportional to the armature current. Proportional to the square of the armature current. Proportional to field current. Inversely proportional to the armature current. Proportional to the armature current. Proportional to the square of the armature current. Proportional to field current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the back emf in DC motor vanishes suddenly the motor will start haunting. run at very low speed. run at very high speed. burn. start haunting. run at very low speed. run at very high speed. burn. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS