DC Motors In a D.C. series motor, if the armature current is reduced by 50%, the torque of the motor will be equal to 25% of the previous value 50% of the previous value 10% of the previous value 100% of the previous value 25% of the previous value 50% of the previous value 10% of the previous value 100% of the previous value ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Low starting torque Frequent on-off cycles High starting torque Variable speed Low starting torque Frequent on-off cycles High starting torque Variable speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be Almost negligible Less than full-load current More than full-load current Rated full-load current Almost negligible Less than full-load current More than full-load current Rated full-load current ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor can be controlled by changing Is flux Armature circuit resistance Aplied voltage All of the listed here Is flux Armature circuit resistance Aplied voltage All of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Small dc motors up to 5 HP usually have 4 poles 6 poles 2 poles 8 poles 4 poles 6 poles 2 poles 8 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Commutator Field winding Armature winding Slip rings Commutator Field winding Armature winding Slip rings ANSWER DOWNLOAD EXAMIANS APP