Answer / dayanand m panchal

There is two causes choose the ROB
1)Each colour has different wave length. 
2)According to the iso 1956 they are dined these colour.

Answer / deepak kumar singh

INDIAN STANDEOR ISO CHOOSEN COLORS RYB.

could mail me the question papers for the test.

1 Answers   ONGC,

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What is the high series capacitance winding on high voltage power transformer ?

0 Answers  

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what is difference between tension tower and suspension tower?

8 Answers  

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WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

0 Answers  

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what is the difference between switch yard to residential area.and how much required it.

0 Answers   GVK,

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Can we indroduce the principle of single phase induction mator to Transformer? i.e. by Producing rotating flux in the transformer.

0 Answers  

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importance of air gap in transformer

5 Answers  

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Metal covered multiconductor cables shall employ a marker tape located within the cable running for its complete length in lieu of cable surface marking. Is it true or false?

0 Answers  

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some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?

0 Answers  

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what is the difference b/w bus reactor and line reactor?

1 Answers  

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How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

0 Answers  

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Describe the test procedure to determine the vector group

0 Answers   MPSEB,

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