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 Armature reaction in dc motor is increased When the armature current increases When the field current increases By interpoles When the armature current decreases When the armature current increases When the field current increases By interpoles When the armature current decreases ANSWER DOWNLOAD EXAMIANS APP
DC Motors At the instant of starting when a D.C. motor is put on supply, it behaves like None of these A highly resistive circuit A low resistance circuit A capacitive circuit None of these A highly resistive circuit A low resistance circuit A capacitive circuit ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Starting the motor Accelerating the motor Avoiding excessive starting current Preventing fuse blowing Starting the motor Accelerating the motor Avoiding excessive starting current Preventing fuse blowing ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? All of these Operating speed Starting torque Full-load current All of these Operating speed Starting torque Full-load current ANSWER DOWNLOAD EXAMIANS APP
DC Motors By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor? Commutator Stator Frame Shaft Commutator Stator Frame Shaft ANSWER DOWNLOAD EXAMIANS APP
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