Answer / dhanilunni

the coffee colour may be easily noted
and we can see the moisture or dust content in the insulator
very easily than other colours

Answer / harekrushna

because u see the fault is easily mark

Answer / madhan

this answer may be funny,but its true.
with the blue background of sky,the brown color will not
disturb the human mind,its a physcological one.

Answer / arpan

to minimise the rate of heat transfer

what type of motor is used in washing machine

8 Answers  

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what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that

0 Answers   ABB, Siemens,

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Tell the details of the precommissioning tests that are performed on distribution transformer, power cable and switchgear (11kv).

1 Answers   Reliance,

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if vcb make contact but output notreach give the reason?

2 Answers   VVF India,

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what are the limitations to use 33kv ac in industries?

0 Answers  

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Can we manually synchronize two DG sets of same ratings manually without using speed biasing ? If yes then how?

4 Answers  

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capacitor applied voltage is 1100VDC & capacitance value is 82uF how to calculate current of capacitor.

2 Answers  

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How voltage regulation is calculated for over head transmission line? What do we mean by Conductor constant while calculating voltage regulation? how it is differ for for diffrent type of conductor say AAAC DOG & AAAC RACOON conductor?

3 Answers   ABB, AES,

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what is the difference between earthing and unearth

0 Answers   Apple, NTPC,

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How can we get electric power from lighting ?

3 Answers   TATA,

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Give the selection criteria of a 3 Phase transformer for industrial purposes ?

5 Answers   NDDB, TATA,

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what is the cable capacity of any load wise .

2 Answers  

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