DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Windage losses Eddy current losses Hysteresis losses Copper losses Windage losses Eddy current losses Hysteresis losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors At the instant of starting when a D.C. motor is put on supply, it behaves like A low resistance circuit A highly resistive circuit None of these A capacitive circuit A low resistance circuit A highly resistive circuit None of these A capacitive circuit ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in Series with armature Parallel with armature Series-parallel with armature None of the listed here Series with armature Parallel with armature Series-parallel with armature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Air motor Battery operated motor Series motor Shunt motor Air motor Battery operated motor Series motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will stop The motor will continue to run The motor will run noisy The armature may burn The motor will stop The motor will continue to run The motor will run noisy The armature may burn 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 Rated full-load current 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 ANSWER DOWNLOAD EXAMIANS APP
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