Answer / vishal ingle

from the constructional point of view, it seems that
in ceiling fan the external body rotates with blades and
the center part is stationary (forms support).
and in wall mounted / table fan the external body i.e
stator is stationary (forms support) and the center part
i.e rotor rotates with blades

Answer / k.prakashchandra

In ceiling fan the squirrel cage rotor (armature) is outside
and in case of wall fan it is inside the field (stator)

Answer / a.ramalingareddy

ceiling fan suck the air from the ceiling which the air is
hot as it absorbed the heat from the ceiling.
but the wall mounted fan sucks the cool air which is in side
the room.so the ceiling fan gives the hot air and wall
mounted fan gives the cool air compare with the earlir one.

For a load of 40HP induction motor.what will be size of Armoured copper cable require to connect the motor to starter in Star-Delta?

1 Answers   CG,

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The speed of a dc motor can be controlled by the variation of 1. armature voltage. 2. field current. 3. armature circuit resistance. 4. angle of brush shift. Which of the statements given above are correct? (a) 1,2 and 3 (b) 2,3 and 4 (c) 1,3 and 4 (d) 1,2 and 4

1 Answers  

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If we says that current is flow only when there is closed path & neutral work as a return path for the same. Then how circuit is closed in three phase as no neutral available ??

1 Answers   Nimbus Harbor Facilities Management,

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we have two 11/.433 kv. distribution Transformer rating as 1000 kva & 500 kva , i wants to run parallel both transformer. both transformer impendence voltage is 5.24%, How can we run both t/f, & how sharing the load

3 Answers  

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Hi, I'm going to attend BHEL interview for exexutive trainee (ET ) on 22nd DEC . Till now if anyone attended the interview pls help me out regarding the interview. I'm an electrical engineer

3 Answers   Bhel,

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Different STANDARDS (BS, IS, IEC etc) gives different informations on CT specification. How they correspons w r t each other (i.e I mean to say BS provides "knee point voltage" but IS does not, then how can i select CT)

0 Answers  

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from which formula we select a capacitor rating?

4 Answers   Suzlon,

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why breather cap filled with oil?

7 Answers  

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what kelvin's law ?

0 Answers  

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For electrical designers what are the standard should know? i want learn about this standards. how to get information/reference. anybody help in this regards please.

0 Answers  

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Whether the over frequency protection is turbine or alternator and why?

1 Answers   Marg,

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Residual voltage & residual current used in which protection?

5 Answers   Qatar Gas, Reliance, Transformers and Electricals,

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