Electrical Machines The slot edges in a DC machine are made of Mild steel. Cast iron. Silicon steel. Fibre. Mild steel. Cast iron. Silicon steel. Fibre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC series motor is best suited for electric traction as It is cheaper in cost. It develops high starting torque. It runs at very high speed at light load. It consume less power. It is cheaper in cost. It develops high starting torque. It runs at very high speed at light load. It consume less power. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If an additional resistance is connected in series with a DC series motor operating at rated speed, the speed of the motor will Oscillate around the normal speed. Remain unaltered. Reduce. Increase. Oscillate around the normal speed. Remain unaltered. Reduce. Increase. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 230 V dc series generator is driven at its rated speed. The no-load voltage across its armature terminals would be 230 V somewhat less than 230 V somewhat more than 230 V 6 V 230 V somewhat less than 230 V somewhat more than 230 V 6 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for swing action which motor is preferred? AC slip ring IM. Reluctance motor. Capacitor type induction motors. DC series motor. AC slip ring IM. Reluctance motor. Capacitor type induction motors. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, the frequency of a voltage at the secondary is less than primary. any of the above. equal to primary. greater than the primary. less than primary. any of the above. equal to primary. greater than the primary. ANSWER DOWNLOAD EXAMIANS APP
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