DC Motors A series motor will over speed when The load is increase The field is opened Load is removed The armature circuit is opened. The load is increase The field is opened Load is removed The armature circuit is opened. ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Centrifugal pump Lathe machine Locomotive Air blower Centrifugal pump Lathe machine Locomotive Air blower ANSWER DOWNLOAD EXAMIANS APP
DC Motors The dirction of rotation of a dc series motor can be changed by Interchanging field terminals Either of Interchanging field or Interchanging supply Interchanging supply terminals None of the listed here Interchanging field terminals Either of Interchanging field or Interchanging supply Interchanging supply terminals None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Hysteresis losses Copper losses Eddy current losses Windage losses Hysteresis losses Copper losses Eddy current losses Windage losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc motor if the back emf is absent Motor will not run at all Motor will run at very slow speed Motor will burn Motor will run at very high speed Motor will not run at all Motor will run at very slow speed Motor will burn Motor will run at very high speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Cummulative compound motor Series motor Shunt motor Differentially compound motor Cummulative compound motor Series motor Shunt motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
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