Electrical Engineering Interview Questions
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I have 800 Amps MG Fix type breaker It is in on line & it has been given only UV (under voltage)coil connection for tripping purpose.now it is not working properly means its getting tripp so how can i replace it or how can i rectify the problem without destrubing my load??????????

2 2176

What is diversity factor and how to calculate it

Sobha Developers, Al Faraa, Amul, Pentagon,

2 12897

Two liquids hot and cold in two vessels are there and an metal bar acts as a conductor of heat between the two vessels. what happens then. what happens after 24 hrs?

768




There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

668

The height to which the liquid in a tank to be maintained for a certain constant velocity?

683

What is the temperature PROFILE OF A FLUID W. R. T. Distance from a sphere to which it is IN CONTACT which is at constant temp.?

619

A jet of fluid strikes a plate What was the force required to counter it?

676

thermal power station operation in general

Jindal, NTPC, AJ Square Inc,

11 24765




What is a HRC fuse (Full form)

Moser Baer, Gammon, HRC,

26 46872

How to conduct the Magnetic Balance test on Power Transformer?

1775

I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.

Bhel,

895

BSNL TTA EXAM QUESTION

BSNL,

935

How to design power source say 5KW i/p :415v 3 ph, o/p 5KW constant, variable currnt and variable volatge 10-230v,

2 2101

bsnl tta exam question

679

CAN A CD/CLOCK RADIO WITH 110V 60HZ WORK ON A 110V 50HZ FEED.

3 1859


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Un-Answered Questions { Electrical Engineering }

ratings of lightning arrester

823


sir please send me techinical questions for junior engineer posting in bangalore railway i am diploma holder

723


I WANT TO INSTALL LIGHTING ARRESTOR ABOVE 20 FEET HEIGHT INDUSTRIAL BUILDING. NOW IT WAS 15 FEET HEIGHT HOW MUCH DISTANCE IT WILL COVER & HOW TO CALCULAT THE DISTANCE COVER BY THE ARRESTOR

730


How much minimum insulation required between 11kv/3.3kv transformer windings?

1063


Name of the relay of low lub oil presuure in DG sets

821






in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

695


our factory is going under construction mean time transformer 1000 kva 2 nos &load break swithch 12 kv & 4 nos 750 kva 2 nos & 380 kva 2 nos generator to be errcted.how to arrange earth pits &how to earth connect & neutral pit how to calculate in earth bit size.

885


importance of reactive power management

798


what happen if drive input fail momentry at 48.5 HZ frequency?

719


how to increase or decrease speed in DC shunt motor by DC convertor

782


How select ELCB for 32amp. socket having quantity 12Nos. We have to do this wiring in PLANT. Please Also explain the incoming cable specification.

671


explain the function of brush less dc motor?

790


how to select the mpcbs and contactor for 3 phase 30 hp star delta motors.for plc control.and tell me the calaculation for future use.

717


explain safety measures in alternator?

567


why dc is used in control circuit for mv & hv switchgear instead of ac

572