what is the difference single phase and 3phase starter

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either water sensor or flow meter,how we observe the water level, f any other equipment are in market ?

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How the size of electic machine vary with the sped? Between slow and fast running machines of equal ratings, which one is more economical to design?

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Why transformer rating in KVA? describe.

5 Answers  

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what are the type of transformer?

4 Answers  

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what is zero sequence curr ent ?

4 Answers  

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Why is our voltage always seems to be 3.3Kv,11Kv,66Kvetc.. why not 40Kv,39Kv,65Kv???

3 Answers  

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150 hp moter how many kwh in 1 hour and what forfula 3 phase kwh.

5 Answers   College School Exams Tests, CPCL, Syncom, Thermax,

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Are you connected Transformer neutral eathing with it's body earthing or earthing met of switch yard.? Yes or No ? why ?

2 Answers  

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State and define ohm’s law?

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what is restircted earth fault relay,how it works? what is diffrance btwn normal earth falut relay & restricted earth fault relay?

1 Answers  

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what is the path of thunderlightening? once both a buffalo and a person were standing 5m apart but lightening hit and killed buffalo not person?

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