DC Motors A dc series motor is most suitable for Pump Cranes Punch presses Lathes Pump Cranes Punch presses Lathes ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Armature conductors Armature rotor Yoke Commutator Armature conductors Armature rotor Yoke Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Cumulatively compounded Shunt Differentially compounded Series Cumulatively compounded Shunt Differentially compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To reduce armature reaction To control the speed of machine To improve commutation None of the listed here To reduce armature reaction To control the speed of machine To improve commutation None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Back e.m.f. Mutually induced e.m.f. Self-induced e.m.f. None of these Back e.m.f. Mutually induced e.m.f. Self-induced e.m.f. None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors In variable speed motor None of these Same commutating field is needed at low speed than at high speed A stronger commutating field is needed at low speed than at high speed A weaker commutating field is needed at low speed than at high speed None of these Same commutating field is needed at low speed than at high speed A stronger commutating field is needed at low speed than at high speed A weaker commutating field is needed at low speed than at high speed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS