Answer / arun

Type of earthing.
1.Coil earthing.
2.Pipe earthing.
3.Rod earthing.
4.Earth mat having equally formed grid of MSflats according
to soil resistivity of a particular place.

Min value - less than 2 ohms/pit.

Why celling fan rotates in anticlockwise direction and table fan in clockwise direction ? Give technical reason.

5 Answers  

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How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

0 Answers   ABB,

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What is state space method ? Why its used ? Can it applicable on linear, non-linear, 1st order, higher order, homogeneous, non-homogeneous, open-loop , closed loops , stable & unstable systems ?

0 Answers   Limton,

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How do you select a cable size(cu and Al) for a particular load

6 Answers   Pepsi,

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Between Star-Delta & Star-Star Power transformer which one is efficent for Earth Fault?

10 Answers  

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If the load of transformer is getting more than its rating,,,than how to overcome this problem? Suppose thee rating of transformer is 315kva and the load is going beyond than the rating say around load: 352kva... Than how can we solve this problem without deducting the load.

14 Answers   Hyundai,

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Can anyone tell me what will happen if AC & DC supply get mixed???

9 Answers  

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Please brief what is sinewave

0 Answers   Deccan Cements,

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srij i need the relationship b/w KW AND KWH and with an electrical example. plz send if u can?

4 Answers  

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What is meant by "tampering detection" of a electrical energy meter?

3 Answers  

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What is meant by line losses, how do you prevent the losses?

3 Answers  

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What is the advantage and disadvantage of dry type transformer?

5 Answers   Bhel,

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