DC Motors The armature voltage control of dc motor provides Constant current drive Constant voltage drive Constant torque drive None of the listed here Constant current drive Constant voltage drive Constant torque drive None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. Above as well as below the normal speed None of the listed here Below the normal speed only Above the normal speed only Above as well as below the normal speed None of the listed here Below the normal speed only Above the normal speed only ANSWER DOWNLOAD EXAMIANS APP
DC Motors Flywheel is used with D.C. compound motor to reduce the peak demand by the motor, compound motor will have to be Cumulatively compounded Under compounded Level compounded Differentially compounded Cumulatively compounded Under compounded Level compounded Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors In variable speed motor 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 None of these 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 Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity? Swinburne's test Field test Brake test Hopkinson's test Swinburne's test Field test Brake test Hopkinson's test ANSWER DOWNLOAD EXAMIANS APP