DC Motors The running speed of a dc series motor is basically determined by Load None of the listed here Armature reaction Field excitation Load None of the listed here Armature reaction Field excitation 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 A stronger commutating field is needed at low speed than at high speed None of these 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 A stronger commutating field is needed at low speed than at high speed None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Shunt motor Differentially compound motor Series motor Cummulative compound motor Shunt motor Differentially compound motor Series motor Cummulative compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is Zero Normal speed More than the normal speed Loss than the normal speed Zero Normal speed More than the normal speed Loss than the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where load changes frequently Where load is constant None of these Where constant operating speed is needed Where load changes frequently Where load is constant None of these Where constant operating speed is needed ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc shunt motors are used for driving Trains Machine tools Cranes Hoist Trains Machine tools Cranes Hoist ANSWER DOWNLOAD EXAMIANS APP
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