DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. None of the listed here Twice One-third Half None of the listed here Twice One-third Half ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed On yoke in the pole faces None of the listed here On armature On yoke in the interpolar gap On yoke in the pole faces None of the listed here On armature On yoke in the interpolar gap ANSWER DOWNLOAD EXAMIANS APP
DC Motors For constant torque drive which speed control method is preferred? Armature voltage control Field control Mechanical loading system Shunt armature control Armature voltage control Field control Mechanical loading system Shunt armature control ANSWER DOWNLOAD EXAMIANS APP
DC Motors Three point starter can be used for Compound motor only Shunt motor only Both shunt and compound motor Series motor only Compound motor only Shunt motor only Both shunt and compound motor Series motor only ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it None of the listed here Is cheap Provides fine speed control Is simple in construction None of the listed here Is cheap Provides fine speed control Is simple in construction ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the Highest torque braking Smallest torque braking None of the listed here Zero torque braking Highest torque braking Smallest torque braking None of the listed here Zero torque braking ANSWER DOWNLOAD EXAMIANS APP
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