Answer / santhosh (sggi)

Insulation failure of machine coil due to over load,
It can be prevented by using better cooling arrangements
and overloads.

Answer / chand

most common reason is failure of coil insulation due to heat and ageing factor.

why single phase to grd test in HV cable?why not 2 phase at a time?

0 Answers  

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a governer in an Ic engine controls the

0 Answers   Caterpillar,

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1 hp is equal to how much watt?

0 Answers   Blue Star,

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in my working site. momentary jerck in electrical supply ocurred frequently which cause of multiple losses in our electrical equipements. how can we protect our electrical machines and equipements in this situation.

1 Answers  

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a induction motar has 30-35% exciting current at no load but in transformer it is only 2-3% ofbrated current why any reason?

1 Answers   century,

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what are the difference between AC lamp and DC lamp

0 Answers   Apollo,

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My load is 1635 KW. & current pf is 0.884, I have to improve it for 0.99.Please suggest what KVAR value is needed?

0 Answers  

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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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which type of starter is suitable for single phase motor ?

11 Answers   IOCL,

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A 2D array X(7,9) is stored linearly column wise in a computers memory.Each element requires 4 bytes for the storage of the value.If the first byte address of X(1,1) is 3000,what could be the last byte adress of X(5,8)?

2 Answers   TCS,

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What is the transfer function?

0 Answers  

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Why LED light has advantage of rapid reflection ,although other lights alse reflect.? and this light is considered to be best for transmission usage in case of Free optics

0 Answers  

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