Electrical Engineering Interview Questions
Questions Answers Views Company eMail

what will happen if the secondary of current transformer kept open....

11 10802

what will happen if the secondary of current transformer kept open....

KSEB,

16 21814

when giving a supply to wounded coil it will get magnetised, but the same is not if it is not wounded on a core..and it is getiing short....why.......

3 2594




how to select the power contactor in Diffrent AC motors.

Titan,

6 19670

How much RPM in Turbocharger in Diesel engine.

MAHINDRA, Greaves,

9 33589

What is the maximum size(MVA)of power transformer available in the India/world?

Adani,

12 15279

What is the dimension of A4 sheet in mm?

Bhel,

6 7224

What is meant by Reactor in power system and what are the uses?

EEE,

11 39422




Can anybody tell me how to calculate(formula) earth flat size(for copper and aluminium).

3 4028

why surge suppressor in vaccum circuit breaker and it is only in motor feeder why not in tranformer feeder?no surge suppresor in ocb in motor feeder?

IOCL,

1 2121

what is the difference between megger and earth tester?

Ashok Leyland, IOCL, RRL,

28 66935

Why we use the D-curve MCBs in critical power distrubution.

Sodexo,

4 4231

What is mean by INRUSH CURRENT?

8 9906

I want the details about BHEL company examination.Can anyone able to help me please.

741

What is the use of core in the transformer?

19 36865


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Un-Answered Questions { Electrical Engineering }

what maximum range of star & delta in hp or kw ?

340


why the starting voltage drop in a cable needs to be limited?what is percentage of the voltage drop allowed during starting?

617


On 400 amp factory load how kvarh capacitors provide

419


A 1F capacitor is charged to 100V initially. A 1H inductor is connected accros the capacitor througha a switch. The current in the circiut when the switch is closed is____

897


What will happened if the neutral of secondary of Xformer ( Star point) Note it's above KVA rated Xformer

584






sir, 3phase induction motor takes different pf and different KW in three phase while running,explain reason

185


can we use CBCT in neutral of solidly grounded transformer? in place of three phases we can pass only one phase which decreases the size of CBCT?

835


How many types of oil using in H/T & L/T Oil Circuit Breakers. need Explenation ?

1402


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.

686


How do I calculate/select Droop CT ratio for various capacity of generators?

1577


what is the difference between OSR and BUCHHOLZ relay of transformer?

984


can we use NPT glands in LT panel

475


what is Different between Bilinear and Unilenier?

793


i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result

763


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

694