DC Motors Excessive motor vibration is caused by Worn bearings Too much brush tension Bent shaft Open armature coil Worn bearings Too much brush tension Bent shaft Open armature coil ANSWER DOWNLOAD EXAMIANS APP
DC Motors The maximum end play of a motor is about 10 mm 2 mm 0.4 mm 6 mm 10 mm 2 mm 0.4 mm 6 mm ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motors never use belt connected loads. Series Differentially compounded Shunt Cummulative compounded Series Differentially compounded Shunt Cummulative compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is Less The same None of the listed here More Less The same None of the listed here More 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 greatest percentage of power loss in a dc motor is due to Friction loss Windage loss Copper loss Core loss Friction loss Windage loss Copper loss Core loss ANSWER DOWNLOAD EXAMIANS APP