how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc

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What will happened. if we feed 3phase supplay to the stater with out insert the rotor. How much current will flow through the stater winnding?

2 Answers  

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0 Answers   Maples,

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What is ferro-resonance in electrical system? Why it occurs and what are measures to prevent it?

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How to assume answer to electrical questions

0 Answers  

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Between AC generator(alternator) and DC generator which can be designed for high voltage and why?

1 Answers  

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What are the Application of CT & PT ?

2 Answers  

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Is it possible to interlock between ACB & MCCB?

2 Answers   Areva,

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I have experienced electrical maintenance HT ,but I completed be ECE ....can I apply c license or not ???? Pls help me friend s...

0 Answers   Crew pvt ltd,

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what is the tolerance of electrical frequency for India? it's .5% or 1%?

8 Answers   Engro,

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Is there a possibility to use such a treshold voltage for the NMOS part of a CMOS circuit that during the switching it will start conducting only after the PMOS part will be already closed, by this eliminating the leakedge current? Please note, I'm not asking about the well bias in standby mode, but about the "antileakedge" measures during normal operation.

0 Answers  

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what is the formula for calculating motor rating? Example: If we want to rotate a 1000 kg waight disc up to 100 RPM, which size motor will require?

1 Answers  

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