DC Motors In which of the following tests only one motor is required? Brake test Hopkinson's test Field's test Swinburne's test Brake test Hopkinson's test Field's test Swinburne's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for Shunt motors All D.C. motors Shunt as well as compound motors Shunt, compound and series motors Shunt motors All D.C. motors Shunt as well as compound motors Shunt, compound and series motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the armature current decreases When the field current increases When the armature current increases By interpoles When the armature current decreases When the field current increases When the armature current increases By interpoles ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Differentially compounded Series Shunt Cumulatively compounded Differentially compounded Series Shunt Cumulatively compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature torque of the D.C. shunt motor is proportional to both (A) and (B) None of these field flux only armature current only both (A) and (B) None of these field flux only armature current only ANSWER DOWNLOAD EXAMIANS APP
DC Motors In variable speed motor None of these A stronger commutating field is needed at low speed than at high speed Same 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 A stronger commutating field is needed at low speed than at high speed Same 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