What is the fuction of UV & how it works in circut breakers? is it one type of relay?

4 Answers  

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what is a bus post insulator? explain its application in a substation.

1 Answers   Enercon, HAL,

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Control wiring of a dol starter for forward and backward

0 Answers   Basj Industries,

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Three phase alternators are connected in star connection why?

13 Answers   Tanfac,

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what is induction relay

1 Answers  

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how do you test tachos and servos

0 Answers  

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where the lexical paramater will use in fron end?

0 Answers  

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In power point wiring,often,we use less size of earth wire compared to phase & neutral wire and we use big size pin in pug top. how is it justified? can we use small size cable for earthing?

3 Answers   HAL,

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1. What is maximum permissible distance between smoke detectors ? 2. How do we decide number of smoke detectors required in a large office, warehouse, hall etc ? 3. What should be maximum height of smoke detectors ? 4. Where do we use heat detector, optical smoke detector, temperature sensitive detector ?

0 Answers  

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1hp single phase load = howmuch 3 phase load

0 Answers  

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what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

0 Answers  

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comparision between ACB and VCB

0 Answers   Lupin,

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