DC Motors In a dc motor constant torque is produced due to Pole shoes Rotor laminations Commutator End plates Pole shoes Rotor laminations Commutator End plates ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is More than the normal speed Zero Loss than the normal speed Normal speed More than the normal speed Zero Loss than the normal speed Normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? None of the listed here Rheostatic braking Plugging Regenerative braking None of the listed here Rheostatic braking Plugging Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used None of these Where constant operating speed is needed Where load is constant Where load changes frequently None of these Where constant operating speed is needed Where load is constant Where load changes frequently ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To improve cooling To reduce the generated emf To increase the generated emf To reduce the sparking To improve cooling To reduce the generated emf To increase the generated emf To reduce the sparking ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 6 mm 0.4 mm 10 mm 2 mm 6 mm 0.4 mm 10 mm 2 mm ANSWER DOWNLOAD EXAMIANS APP
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