DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Commutator Field winding Slip rings Armature winding Commutator Field winding Slip rings Armature winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Decrease Become zero Increase Remains same Decrease Become zero Increase Remains same ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is All of these High initial cost Low efficiency at high loads High maintenance cost All of these High initial cost Low efficiency at high loads High maintenance cost ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Lathe machine Centrifugal pump Locomotive Air blower Lathe machine Centrifugal pump Locomotive Air blower ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Electric traction Machine shops Air compressors Pumping sets Electric traction Machine shops Air compressors Pumping sets ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor can be controlled by changing Is flux Armature circuit resistance All of the listed here Aplied voltage Is flux Armature circuit resistance All of the listed here Aplied voltage ANSWER DOWNLOAD EXAMIANS APP
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