What are IP protections used for electrical panels, JB, equipments installed in explosive zones like Petrochemicals, Oil & gas

1 Answers  

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Write the difference between OCB,VCB ?

3 Answers   Svam Power,

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what is dyn 11

3 Answers  

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1)What are the proccedure of initial charge of 100AH lead Acid battery bank 2)whether discharge test is reqd ? if it is rqd why, how 3)what are the discharge critieria (volt/cell or sp.gravity/cell

1 Answers  

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how can we calculate fault current of a line in a 6 bus syatem if the faulted line is known?

1 Answers  

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why some time Railway Fan not Rotate,But after a small rotation by human then it rotate normally? Why?

4 Answers  

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What is the difference between ELCB and RCCB. Please define the working of both.

6 Answers  

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what happens if sf6ckt breaker gas pressure is high or low about the actual rating of gas pressure(5kg/cm2)

2 Answers  

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What is meant by Load Encroachment in OHL Feeder Protection?

0 Answers  

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We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?

0 Answers  

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Define delay time.

0 Answers  

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Which pump set is more suitable and economical for liftingwater from 300Mtr borewell? A. Compressor Pump B. Submersible Pump C. Jet Pumps D. 25HP Centrifugal Pump Q. from PSC Test 22-11-2008 Meter reader

8 Answers  

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