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 50% of the previous value 100% of the previous value 10% of the previous value 25% of the previous value 50% of the previous value 100% of the previous value 10% of the previous value 25% of the previous value ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Field and armature resistance Speed Flux Armature current Field and armature resistance Speed Flux Armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Worn bearings Dirt on the commutator Loose coupling Misaligment of machine Worn bearings Dirt on the commutator Loose coupling Misaligment of machine 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? Stator Frame Commutator Shaft Stator Frame Commutator Shaft ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following in a dc motor, can sustain the maximum temperature rise? Field winding Armature winding Commutator Slip rings Field winding Armature winding Commutator Slip rings ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Preventing fuse blowing Avoiding excessive starting current Accelerating the motor Starting the motor Preventing fuse blowing Avoiding excessive starting current Accelerating the motor Starting the motor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS