DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? Lenz's law Faraday's law Coloumb's law Fleming's left hand rule Lenz's law Faraday's law Coloumb's law Fleming's left hand rule ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Air blower Locomotive Lathe machine Centrifugal pump Air blower Locomotive Lathe machine Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
DC Motors The iron loss in dc motor depends on Speed only Flux only Both flux and speed None of the listed here Speed only Flux only Both flux and speed None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the armature current decreases By interpoles When the field current increases When the armature current increases When the armature current decreases By interpoles When the field current increases When the armature current increases ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 50 to 75 percent 10 to 15 percent 20 to 25 percent 2 to 3 percent 50 to 75 percent 10 to 15 percent 20 to 25 percent 2 to 3 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors For starting a dc motor a starter is required because None of the listed here It limits the starting current to a safe value It limits the speed of the motor It starts the motor None of the listed here It limits the starting current to a safe value It limits the speed of the motor It starts the motor ANSWER DOWNLOAD EXAMIANS APP
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