DC Motors In D.C. motor which of the following can sustain the maximum temperature rise? Field winding Armature winding Slip rings Commutator Field winding Armature winding Slip rings Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity? Field test Swinburne's test Hopkinson's test Brake test Field test Swinburne's test Hopkinson's test Brake test ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Provides fine speed control Is cheap Is simple in construction None of the listed here Provides fine speed control Is cheap Is simple in construction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed None of the listed here On armature On yoke in the pole faces On yoke in the interpolar gap None of the listed here On armature On yoke in the pole faces On yoke in the interpolar gap ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Compound motor only Both shunt and compound motor Shunt motor only Series motor only Compound motor only Both shunt and compound motor Shunt motor only Series motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To increase the generated emf To improve cooling To reduce the sparking To reduce the generated emf To increase the generated emf To improve cooling To reduce the sparking To reduce the generated emf ANSWER DOWNLOAD EXAMIANS APP
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