what r the preventive maintenance of air compressor

1 Answers   Jindal,

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why transformer not used to starter

1 Answers  

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What are the three major categories of error?

0 Answers  

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What is corkscrew rule?

0 Answers  

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Electricty is generated at around 16kV, then step up to 220kV for transmission then steped down to power transformers then DTs and then through the LT n/w it reaches the consumer end. At the consumer end 230V supply is required. So, why is electricity not generated directly at 230V and transmitted?

4 Answers  

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How to caluculate number of batteries to connect a three phase ups by KVA?

1 Answers  

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A ceiling fan moves Counter clockwise & a pedestal fan clockwise.....y the difference????

5 Answers   Alstom, NTPC,

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sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.

4 Answers   ISRO, Power Grid,

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why power generate in 33 kv it will be step down by 11 kv .

5 Answers  

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How you take care of a motor from over loading and what are the different overloading ratings of different motors?

4 Answers  

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what is phantom load, Give any example

2 Answers  

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What is steady state response?

0 Answers  

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