Answer / rajesh .b.jadav

D.C SERIES MOTOR DUE TO HIGH sTARTING tORQUE AND CONSTANT
SPEED

Answer / gowthamman

no in tamilnadu we use 25kv 50hz ac supply hence it is a ac motor

it is applicable only for long journey train but in small local train uses the dc motor

Answer / krishna

Yah, DC Series motor is used becaz it has high starting torque.

Answer / naveen

universal motor or ac series motor

Answer / nishant2110

I think, speed control is done by mechanical gear.I am not
so sure.

Answer / harveer singh

syncronus motor bcs. it has constant speed at load

Answer / sudarsan

induction motors

hello! can anyone explain to me how a 3 speeds table fan work? what are the factors that are controlling the speed of a normal table fan? Is it by varying the voltage or changing the magnetic field? would appreciate your reply :) thx in advance.

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1. Synchronization is not required A. Thermal B.Hydel C.Wind D.Nuclear

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Define newton's law of viscosity.

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