Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is depreciation factor?

HCC,

2329

what sis the testing procedure of transformer and ht panel?

1 3919

what is the formula for converting dc power(watt) to ac power (watt)?

ABB,

3 9794

why ohmas low not sutable to transformer.

1 5110

why indicated sypply only by 440V in 3-phase system.

2 5297

What information we need to prepare relay coordination chart

2413

1.What is the difference between isolators and circuitbreakers? 2.What is bus-bar?

1 5149

why the vector group of excitation transformer is YD5(150 deg)how is this factor decided.

1 8756

1.Is there any difference between terminologies,HT-HV <- LV? 2.What is the highest transmission voltage level in india?

5 16644

1.two coupled coils with L1=L2=0.6 H have a coupling coefficient of k=0.8 the turns ratio N1/N2 is......

BSNL, SSC,

5 32663

2. A current i=(10+10 sin t)amperes is passed through MI type ammeter. its reading will be.........

SSC,

2388

3.The slip of an IM UNDER FL condition is about.....

SSC,

1 4114

4.In which type of welding is a pool of molten metal used.....

ISRO, SSC, Vizag Steel,

3 22144

5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........

SSC,

2141

6. A DC AMMETER HAS R=0.1 OHM & CURRENT RANGE IS 0-100 A IF THE RANGE IS TO BE EXTENDED TO 0-500 A THEN METER REQUIRES SHUNT RESISTANCE OF ..........

SSC,

2 6821

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Un-Answered Questions { Electrical Engineering }

Benifits of 3ph 4 wire metering over 3ph 3 wire

2527

To prove the capacity of a 10MVA transforemr with 6.5% impedance by a short circuit test how much power is needed to inject an impedance voltage if we have to arrive for its rated current?

1981

if we have 320KVA Genset kindly advice how much load we can put it.

1587

what are the safety measures of induction motor?

2110

why we can use 1 to 5V dc

2024

hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

3016

hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.

1984

Enlist four components of electrive drives.

1894

how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

2510

Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?

1168

if negative of DC supply used and positive is grounded through EGB, and if ELCB used in the system then is it sense the positive volatge and get tripped is it possible?

1962

What is resistance of 50meters, 16sq.mm, single core copper cable?

1983

When distance between two pulleys is not fixed, the tension of belt is adjusted by a) driver shaft b) driven shaft c) adjustment screw d) belt

3076

What is formula calculation size cable wire ?

1998

Explain the advantages and disadvantages of hydropower plant?

1189

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