why mosquito bat makes noise when it hits with a insect?

2 Answers  

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In brushless excitation system how generator field current is measure even if the slip rings are absent?

3 Answers   Adani,

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Explain and give me an example of a time when you had to explain some new procedures to your co-workers for quality service delivery, how did you go about it?

0 Answers  

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what is the Space heater? why using in Electrical motor?

3 Answers  

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our company have 750 kva oil transformer.still we have facing a problem that is when voltage is 11.5 kv coming from HT side then LT-side voltage is 420v or above at tape 1.please give me best solution to decrease the voltage.

3 Answers  

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what is meant by vector group in transformers? wy we r using that?

1 Answers  

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explain comutator action in detail.thanks

0 Answers  

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how step up transformer step up the voltage and what is the reason behind it?

3 Answers  

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3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?

1 Answers   Innovative Energy,

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Hi, My question is our total motor load is 55 kw.so what cable size required for main supply. Please reply

1 Answers   Maryam Enterprises,

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what will be the breaking capacity of MCCB of 1000kVA (6% Impedence) transformer? Voltage being 415V, Power Factor 0.8.

2 Answers   BPC,

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how to calculate the MF in meter reading

2 Answers  

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