DC Motors A three point starter is considered suitable for Shunt, compound and series motors Shunt motors Shunt as well as compound motors All D.C. motors Shunt, compound and series motors Shunt motors Shunt as well as compound motors All D.C. motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Cummulative compound motor Differentially compound motor Series motor Shunt motor Cummulative compound motor Differentially compound motor Series motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Size of conductor Winding Yoke Commutator Size of conductor Winding Yoke Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors In variable speed motor A weaker commutating field is needed at low speed than at high speed Same 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 A weaker commutating field is needed at low speed than at high speed Same 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 ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc compound machine, Both play equally dominant role Series field winding plays dominant role Shunt field winding plays dominant role Either can play dominant role Both play equally dominant role Series field winding plays dominant role Shunt field winding plays dominant role Either can play dominant role ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 2 to 3 percent 50 to 75 percent 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent 10 to 15 percent 20 to 25 percent ANSWER DOWNLOAD EXAMIANS APP