DC Motors D.C. generators are normally designed for maximum efficiency around All of these Full load Rated r.p.m. Rated voltage All of these Full load Rated r.p.m. Rated voltage ANSWER DOWNLOAD EXAMIANS APP
DC Motors By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor? Commutator Stator Frame Shaft Commutator Stator Frame Shaft ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Become zero Increase Remains same Decrease Become zero Increase Remains same Decrease ANSWER DOWNLOAD EXAMIANS APP
DC Motors The main disadvantage of the Ward-Leonard control method is High maintenance cost Low efficiency at high loads All of these High initial cost High maintenance cost Low efficiency at high loads All of these High initial cost ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor is Directly proportional to flux per pole None of the listed here inversely proportional to applied voltage inversely proportional to flux per pole Directly proportional to flux per pole None of the listed here inversely proportional to applied voltage inversely proportional to flux per pole ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in The pole faces of main poles The armature None of the listed here Partly in pole faces, partly in armature The pole faces of main poles The armature None of the listed here Partly in pole faces, partly in armature ANSWER DOWNLOAD EXAMIANS APP
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