DC Motors A three point starter is considered suitable for All D.C. motors Shunt, compound and series motors Shunt as well as compound motors Shunt motors All D.C. motors Shunt, compound and series motors Shunt as well as compound motors Shunt motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed On yoke in the interpolar gap On armature On yoke in the pole faces None of the listed here On yoke in the interpolar gap On armature On yoke in the pole faces None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Where D.C. motor of H.P. 12 or more requires frequent starting, stopping, reversing and speed control 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 Three point starter is used Four point starter is used All above can be used ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following law can be used to determine the direction of rotation of dc motor? 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 Lenz's law ANSWER DOWNLOAD EXAMIANS APP
DC Motors If conditions for maximum power for a dc motor are established, the efficiency of the motor will be 100 % Less than 50% 80 to 90 % 60 to 70 % 100 % Less than 50% 80 to 90 % 60 to 70 % ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Armature current Field and armature resistance Speed Flux Armature current Field and armature resistance Speed Flux ANSWER DOWNLOAD EXAMIANS APP
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