DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Slip rings Field winding Armature winding Commutator Slip rings Field winding Armature winding Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. Iron and friction losses Field losses Cu losses None of the listed here Iron and friction losses Field losses Cu losses None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Yoke Commutator Armature conductors Armature rotor Yoke Commutator Armature conductors Armature rotor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 8 poles 6 poles 2 poles 4 poles 8 poles 6 poles 2 poles 4 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. machines the residual magnetism is of the order of 50 to 75 percent 2 to 3 percent 10 to 15 percent 20 to 25 percent 50 to 75 percent 2 to 3 percent 10 to 15 percent 20 to 25 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Voltage regulator Potential divider Armature divertor Field divertor Voltage regulator Potential divider Armature divertor Field divertor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS