Answer Posted / pks

First of all Wish U ALL THE BEST for Interview, in which
year u r attending u have not mentioned.

Hope u might have been selected in BHEL & enjoying ur job
there by grasping very much knowledge.

Keep it up!!!!!!!!!!!!!!

I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions

2096

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In a synchronous motor. if start is running at high speed.  What will be the starting torque : Higher Lower Zero

1652

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A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is

2328

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Define closed loop control system.

1032

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difference between Ac and Dc mcb ????

1564

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Why does the rotor rotate?

2202

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we have an energy meter in a capacitor bank panel, So should we consider it's readings as energy consumption on daily basis. (when capacitor bank doesn't have any energy losses)

2326

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what are the available sizes of pin type terminal lugs in the market today?

1794

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What do you mean by a phase angel of instrument transformer?

1046

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How to test Alternator stability test for REF relay

1431

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how to calculate single phase motor efficiency ?

2091

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The 3 phase 400 hp 440 volt slip ring induction motor do not take one phase amps why ? The motor is running good condition

1843

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When we need up only in o/p 440v, so why we use directly in 11kva in input?

1634

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Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

3895

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any application of back emf

2066

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