opkinson's test

0 Answers   Bhel,

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how is working the auto transformer?

1 Answers  

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In a voltage-controlled current source A A current booster is never used B The load is always floated C A stiff current source drives the load D The load current equals Isc

0 Answers  

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how it can be decided what will be the rating of CT and PT to be used in LT or HT cables?

3 Answers  

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how does high earth to neutral voltage affect electronic equipment?

0 Answers  

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if single phase is having 220v supply then why three phase is having 440v instead of 660v?

4 Answers   C&S, NTPC,

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What is sensitivity of a measurement?

0 Answers  

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When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

0 Answers   TATA,

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How to calulate the NGR resistance ?

1 Answers   L&T,

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what is cogging in motors?

1 Answers  

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Why more sound is produced in mixer than grinder

2 Answers   Vedant,

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Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.

0 Answers  

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