DC Motors The direction of rotation of a D.C. series motor can be changed by None of these Interchanging supply terminals Either of (A) and (B) above Interchanging field terminals None of these Interchanging supply terminals Either of (A) and (B) above Interchanging field terminals ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Efficient Unsuitable for rapidly changing loads Suitable for getting speeds above the normal Economical Efficient Unsuitable for rapidly changing loads Suitable for getting speeds above the normal Economical ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on None of the listed here Flux only Both flux and speed Speed only None of the listed here Flux only Both flux and speed Speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be Level compounded Cumulatively compounded Differentially compounded Under compounded Level compounded Cumulatively compounded Differentially compounded Under compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 6 mm 0.4 mm 2 mm 10 mm 6 mm 0.4 mm 2 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Armature copper loss Windage loss Field copper loss None of these Armature copper loss Windage loss Field copper loss None of these ANSWER DOWNLOAD EXAMIANS APP
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