Answer / engr.shahbul

5(fist Digit)-Limited protection against dust ingress.
(no harmful deposit)
5(2nd Digit)-Protected against low pressure water jets from any direction. Limited ingress permitted.

please suggest some good universities with low cost iam in totally full confusion so please help me my profile gre 283 and ielts 5.5

0 Answers  

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IN TWO WATTMETER METHOD WE GOT W1,W2,WE KNOW V.HOW TO FIND Q????????????

7 Answers   APTransco,

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What does the term power factor shows?

0 Answers  

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what is the diff b/w HP and KW

10 Answers  

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draw 3 phase rectifier diagram

0 Answers   Equate,

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Why do we choose 33kV transmission for industrial purpose and 11Kv for township?

1 Answers  

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what is the operation of UPS ? can any one answer me?

7 Answers  

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How does a 3 phase induction motor is started?

3 Answers   IOCL,

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IS HI-POT TEST DONE ON A TRANSFORMER - YES OR NO? WHY?

4 Answers  

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what is physical distance of isolator to VCB in 33/11kv sub stations

0 Answers   Enercon,

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Is there any problem ,if R-Y-B voltage is constant , but the air compressor taking one phase high current.what is possible causes.the said compressor is very new.(55kw).

4 Answers  

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How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f normally used in Canada is to be operated in Europe on 50 hz frequency then how will its KVA rating change? a-increase b-decrease c-remains same

1 Answers  

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