Answer / parveen

because fans are used to get air that's why design of fans are like that they rotate in anticlockwise if fans suck the air like exhaust fans they are rotate in clockwise direction.

Answer / veeresh

If the fan rotate in clock wise direction , it will suck
the air and push to other side . The fanblades are designed
such way to pump the surrounding air .

What is the maximun current carring capacity in per phase for three pole 100anps rating ncb

3 Answers   L&T,

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is high voltage or high current is danger

16 Answers   L&T,

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What kind of earthing method can be useful for ships and boats ?

0 Answers   GE,

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how to calculate full load current of transformer & induction moter ?

2 Answers  

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explain why tap changer is always connected to high voltage winding side of the transformer.

10 Answers   IOCL, UPPCL,

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WHY DO VOLTAGE TRANSFORMERS FAIL DURING EARTH FAULT IN THE DELTA CONNECTED 6.6KV ELECTRICAL SYSTEM

0 Answers  

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why ht motors are star connected?

0 Answers  

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What is phase angle? and what is importance to measure it?

2 Answers  

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how the reverse power relay acts..

2 Answers  

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how to calculate the conductor size for certain KV transmission line and distribution line?

0 Answers   Hyundai,

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need to make a report. Need to choose a 3phase induction motor. Load conditions motor will operate in : Maximum Load: 30 Kw Speed: 2950 rpm Ambient temp: 20 cent Supply voltage: 440V Frequency: 50Hz need to look for the safety factor when choosing the motor, went through catalouge found a few, but dont know how to choose the safety factor allowing an extra load something above 30 KW to avoid any harm.

0 Answers  

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Cables Construction hi friends, 0.6/1/1.2 kV LV , DC and Control cables are concentric copper conductor what does its means and what is the use of concentric copper conductor,and are this with copper tape shield or copper screening, ? thanks

0 Answers  

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