Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

11 11113

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

KSEB,

16 22453

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 2697




how to select the power contactor in Diffrent AC motors.

Titan,

6 20110

How much RPM in Turbocharger in Diesel engine.

MAHINDRA, Greaves,

9 35305

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

Adani,

12 15893

What is the dimension of A4 sheet in mm?

Bhel,

6 7378

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

EEE,

11 40621




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

3 4129

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 2233

what is the difference between megger and earth tester?

Ashok Leyland, IOCL, RRL,

28 69072

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

Sodexo,

4 4352

What is mean by INRUSH CURRENT?

8 10109

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

809

What is the use of core in the transformer?

19 37996


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Un-Answered Questions { Electrical Engineering }

What is ignition module of a CAT Gas Genset G-3508 Engine, Alternator SR4B Series. HOw its checked for correct functioning.Is it repiarable or replacable?

966


What is the RMS and DFT principle of analogue maesurments. Which way they are advangages. where which princples give optimum results.

1283


LT cable fault chaecking equipment and to find out the distance at what distence it failure . Name and where it is available?

860


An active element is one which a. Supplies energy b. Absorbs energy c. Supplies energy and convert energy from one form to another

615


What is mean by STUB protection?

775






how brushed dc motor operating ?

667


what will happen if the prime mover on the field excitation of the on-coming generator fails?Explain.

3760


how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

781


Parts of machine and their discription in details with suitable photo

847


Anyone who can recommend an equivalent to Envirotemp FR3 of Cooper?

734


What is the basic of DTH.

985


why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?

834


what is reverse power relay brief explanation and in b/w where it is connected

748


In case of salient pole alternator when number of poles are 4 or more than 4 it helps the flux wave to be sinusoid as air gap length is increased from center to tip , but if the number of poles are 2 how does the flux wave is sinusoidal?

858


can anybody sent me power grid questions. what subject should i prefer for preparation?

879