DC Motors Excessive motor vibration is caused by Bent shaft Open armature coil Too much brush tension Worn bearings Bent shaft Open armature coil Too much brush tension Worn bearings ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Slip rings Commutator Field winding Armature winding Slip rings Commutator Field winding Armature winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Lathes Punch presses Pump Cranes Lathes Punch presses Pump Cranes 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 Which of the following in a dc motor, can sustain the maximum temperature rise? Commutator Slip rings Field winding Armature winding Commutator Slip rings Field winding Armature winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control Four point starter is used Drum type controller is used All above can be used Three point starter is used Four point starter is used Drum type controller is used All above can be used Three point starter is used ANSWER DOWNLOAD EXAMIANS APP