DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Self-induced e.m.f. Back e.m.f. Mutually induced e.m.f. None of these Self-induced e.m.f. Back e.m.f. Mutually induced e.m.f. None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Shunt Differentially compounded Cumulatively compounded Series Shunt Differentially compounded Cumulatively compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Is cheap Provides fine speed control Is simple in construction None of the listed here Is cheap Provides fine speed control Is simple in construction None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in The armature The pole faces of main poles None of the listed here Partly in pole faces, partly in armature The armature The pole faces of main poles None of the listed here Partly in pole faces, partly in armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. shunt motor is working at full load and if shunt field circuit suddenly opens 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 Motor will come to stop This will make armature to take heavy current, possibly burning it Nothing will happen to motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in Parallel with the armature None of the listed here Series with the armature Series-parallel with the armature Parallel with the armature None of the listed here Series with the armature Series-parallel with the armature ANSWER DOWNLOAD EXAMIANS APP
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