Answer Posted / shashi

inorder to calculate tr you can use following formula:

Delta T in F X Flow in USGPM / 24

I have been using an 600VA with 0.6 p.f UPS with my desktop which has 450W power supply unit. Can anyone explain how can this happen . Because the output of the UPS is 360W (600*0.6) (<450W)

2187

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why output is out of phase in case of common emitter?

2182

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What will be electrical cost per sqft for IT building (basebuild and fitout)and for residential township?

1987

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Can double compression glands be used with regular cables?

2165

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what is the purpose of high speed earth switch in gas insulated substat

3045

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What happens to a motor if it is connected in Delta connection

1105

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What is the reason for using a GE G101 MCB in place of an EP102 MCB if both are capable of AC circuit protection?

2715

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How will polarity test of Dy5 Transformer ?

2314

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What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

2016

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what is the principle of the single phase energy meter? and,what is the advantages and disadvantages of single phase energy meter?

4640

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can anybody send the rrb chennai &rrb bopal question papers of 2006&2007.My exam is on 12 oct 2008.Its urgent

2093

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what is zinc diffusion?

2167

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sir plz send some previous year questions of jspl.

1992

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when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1767

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1993

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