DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Does not run as a generator Runs as a generator None of these Also runs as a motor comes to stop after sometime Does not run as a generator Runs as a generator None of these Also runs as a motor comes to stop after sometime ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Machine shops Pumping sets Electric traction Air compressors Machine shops Pumping sets Electric traction Air compressors ANSWER DOWNLOAD EXAMIANS APP
DC Motors A direct on line starter is used for starting motors Upto 15 HP Upto 10 HP Upto 5 HP Upto 20 HP Upto 15 HP Upto 10 HP Upto 5 HP Upto 20 HP ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? Low cost Wide speed range Stability High starting torque Low cost Wide speed range Stability High starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors A series motor will over speed when The armature circuit is opened. The field is opened The load is increase Load is removed The armature circuit is opened. The field is opened The load is increase Load is removed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The rheostatic speed control method is very Efficient Suitable for getting speeds above the normal Economical Unsuitable for rapidly changing loads Efficient Suitable for getting speeds above the normal Economical Unsuitable for rapidly changing loads ANSWER DOWNLOAD EXAMIANS APP
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