Electrical Machines Which type of motors are preferred in lifts? DC shunt motors. DC compound motors. DC series motors. None of these DC shunt motors. DC compound motors. DC series motors. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generators work on the principle of production of statically induced emf. dynamically and statically induced emf. None of these dynamically induced emf. statically induced emf. dynamically and statically induced emf. None of these dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces eddy current torque. damping torqe. both 1 and 2. no torque. eddy current torque. damping torqe. both 1 and 2. no torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the source voltage of a DC motor is increased, which of the following will decrease? Operating speed. Starting torque, operating speed, full load current. Starting torque. Full load current. Operating speed. Starting torque, operating speed, full load current. Starting torque. Full load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For high current and low voltage rating which winding is employed to DC machine? Wave winding. Lap winding. No wave and lap winding. Both wave and lap winding. Wave winding. Lap winding. No wave and lap winding. Both wave and lap winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer the magnetic coupling between the primary and secondary winding can be increased by using the magnetic core of low reluctance. increasing the number of turns. using soft material for winding. using transformer oil of better quality. using the magnetic core of low reluctance. increasing the number of turns. using soft material for winding. using transformer oil of better quality. ANSWER DOWNLOAD EXAMIANS APP
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