DC Motors In a dc machines the residual magnetism is of the order of 20 to 25 percent 10 to 15 percent 2 to 3 percent 50 to 75 percent 20 to 25 percent 10 to 15 percent 2 to 3 percent 50 to 75 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Punch presses Pump Lathes Cranes Punch presses Pump Lathes Cranes 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 Which method of braking is generally used in elevators? Rheostat braking Plugging None of these Regenerative braking Rheostat braking Plugging None of these Regenerative braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors By putting controller resistance in series with the armature of a dc motor, we can obtain speeds None of the listed here Below the normal speed only Above the normal speed only Above as well as below the normal speed None of the listed here Below the normal speed only Above the normal speed only Above as well as below the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in Series-parallel with the armature None of the listed here Series with the armature Parallel with the armature Series-parallel with the armature None of the listed here Series with the armature Parallel with the armature ANSWER DOWNLOAD EXAMIANS APP