Answer / s c budhiraja

because starting torque requirement of fan is more than the
motor can supply.when we push the fan by hand the torque
requirement for running the fan is supplied by the fan
motor.

Answer / jay krishna

It is occurred by magnetic locking

Answer / tomboi

Is because of the accumulated dirt inside the fan shaft.
Clean it and apply some oil lubricant on the shafts an it
would rotate again as normally as how it was before when it
was clean.

Answer / mohit midha

Coz Railway fan runs through Dc
So There is no capacitor in that so that if there is any
jam by some mean then we can can rotate slightly manual.

What is corona ? Mention its positve effects .

1 Answers  

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When connecting a loaded powerplant to the Huge grid,what are the factors to be considered and how the VAR flow will affect the system?

1 Answers  

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why capacitive load is not used in routine life????any reason is there ??????

0 Answers  

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What do you mean by turns ratio of instrument transformer?

0 Answers  

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in Megger what type of voltage(AC or DC) are produce.how they work.

1 Answers  

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what are the applications of TIG welding

0 Answers  

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types of transformers?

1 Answers   Torrent Power,

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Transformer Secondary maximum current (max. load)

3 Answers  

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Consider three heater bank connected in 3 phase star with neutral.Each heater bank connected in each phase.So each phase get 230 volts supply.my question is,during balance condition, current flow in neutral or Not

0 Answers  

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why capacitor using the induction motor?

6 Answers   Kirloskar,

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Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?

0 Answers   DAE,

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What effect of supplying stationary generator (800kVA) with 415V AC from 1500kVA transformer?

2 Answers  

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