DC Motors Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control Three point starter is used Four point starter is used All above can be used Drum type controller is used Three point starter is used Four point starter is used All above can be used Drum type controller is used ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc shunt motors are used for driving Hoist Trains Cranes Machine tools Hoist Trains Cranes Machine tools 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 Level compounded Differentially compounded Under compounded Cumulatively compounded Level compounded Differentially compounded Under compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Usually wide and sensitive speed control is desired in case of Steel rolling mills Centrifugal pumps Colliery winders Elevators Steel rolling mills Centrifugal pumps Colliery winders Elevators ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating winding is basically used in a dc machine To reduce armature reaction None of the listed here To control the speed of machine To improve commutation To reduce armature reaction None of the listed here To control the speed of machine To improve commutation ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on Flux only Both flux and speed None of the listed here Speed only Flux only Both flux and speed None of the listed here Speed only ANSWER DOWNLOAD EXAMIANS APP
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