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.

A circuit breaker is a

9 Answers  

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why most of the substations are rated in multiples of 11?

4 Answers  

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There are a trformer and an induction machine. Those two have the same supply. For which device the load current will be maximum? And why?

0 Answers  

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What is P.F? Formula for calculating PF in HT side?

1 Answers  

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how to CHECK CT AND PT AT THE FAULT OCCUR IN GENERATOR RELAY PANEL .

0 Answers   Birla,

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What is the minimum load that you can keep in a 3 Phase 40 KVA Diesel Generator? Is it neccessary to load all the 3 phases? Can a phase be left without load?

2 Answers   DRDO,

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two TG running in parallel at equal load.one TG CB tripped in reverse power relay.after tripping found its excitation was on & turbine running at rated speed.Please clearify why that TG tripped in reverse power ?

1 Answers   Bhel, Birla,

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DG drop how much freqency at 100% load?

3 Answers  

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What is the different between conventional MCC and intelligent MCC? Common controller or controller for each bucket

0 Answers  

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in 220 kv substation,what is the mean of avr voltage reading? means at oltc temp. 36 the avr voltage was 109v.so what the mean of 109v

1 Answers  

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Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir

0 Answers  

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can we use HPSV LAMP in HPMV LAMP fixture ?and viseversa.

5 Answers   OPS,

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