DC Motors In which of the following tests only one motor is required? Field's test Brake test Hopkinson's test Swinburne's test Field's test Brake test Hopkinson's test Swinburne's test ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Speed Field and armature resistance Armature current Flux Speed Field and armature resistance Armature current Flux ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Compound motor only Shunt motor only Series motor only Both shunt and compound motor Compound motor only Shunt motor only Series motor only Both shunt and compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Differentially compounded Series Shunt Cumulatively compounded Differentially compounded Series Shunt Cumulatively compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Regenerative Dynamic braking None of these Plugging Regenerative Dynamic braking None of these Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Voltage control method Field control method Armature resistance control method Field divertor method Voltage control method Field control method Armature resistance control method Field divertor method ANSWER DOWNLOAD EXAMIANS APP
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