DC Motors The plugging gives the None of the listed here Smallest torque braking Highest torque braking Zero torque braking None of the listed here Smallest torque braking Highest torque braking Zero torque braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Economical Unsuitable for rapidly changing loads Efficient Suitable for getting speeds above the normal Economical Unsuitable for rapidly changing loads Efficient Suitable for getting speeds above the normal ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive sparking at brushes may be caused due to Loose coupling Dirt on the commutator Misaligment of machine Worn bearings Loose coupling Dirt on the commutator Misaligment of machine Worn bearings ANSWER DOWNLOAD EXAMIANS APP
DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The armature may burn The motor will run noisy The motor will stop The motor will continue to run The armature may burn The motor will run noisy The motor will stop The motor will continue to run ANSWER DOWNLOAD EXAMIANS APP
DC Motors Excessive motor vibration is caused by Too much brush tension Open armature coil Worn bearings Bent shaft Too much brush tension Open armature coil Worn bearings Bent shaft ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging field terminals Either of Interchanging field or Interchanging supply None of the listed here Interchanging supply terminals Interchanging field terminals Either of Interchanging field or Interchanging supply None of the listed here Interchanging supply terminals ANSWER DOWNLOAD EXAMIANS APP
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