DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? None of these Field copper loss Windage loss Armature copper loss None of these Field copper loss Windage loss Armature copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Winding Yoke Size of conductor Commutator Winding Yoke Size of conductor Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will burn Motor will not run at all Motor will run at very high speed Motor will run at very slow speed Motor will burn Motor will not run at all Motor will run at very high speed Motor will run at very slow speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The variable resistor shunting the field of a dc series motor is called a Field divertor Armature divertor Voltage regulator Potential divider Field divertor Armature divertor Voltage regulator Potential divider ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to armature current only both (A) and (B) field flux only None of these armature current only both (A) and (B) field flux only None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To reduce the sparking To increase the generated emf To improve cooling To reduce the generated emf To reduce the sparking To increase the generated emf To improve cooling To reduce the generated emf ANSWER DOWNLOAD EXAMIANS APP
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