DC Motors Which of the following application requires high starting torque? Centrifugal pump Air blower Lathe machine Locomotive Centrifugal pump Air blower Lathe machine Locomotive ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following methods gives the greatest braking torque? Plugging Regenerative braking Rheostatic braking None of the listed here Plugging Regenerative braking Rheostatic braking None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens Motor will come to stop This will make armature to take heavy current, possibly burning it Nothing will happen to motor This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Motor will come to stop This will make armature to take heavy current, possibly burning it Nothing will happen to motor This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Both shunt and compound motor Shunt motor only Series motor only Compound motor only Both shunt and compound motor Shunt motor only Series motor only Compound motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is None of these Back e.m.f. Self-induced e.m.f. Mutually induced e.m.f. None of these Back e.m.f. Self-induced e.m.f. Mutually induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Commutator Size of conductor Winding Yoke Commutator Size of conductor Winding Yoke ANSWER DOWNLOAD EXAMIANS APP
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