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,

2271

what sis the testing procedure of transformer and ht panel?

1 3840

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

ABB,

3 9608

why ohmas low not sutable to transformer.

1 5026

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

2 5144

What information we need to prepare relay coordination chart

2343

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

1 5041

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

1 8638

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

5 16369

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 32335

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

SSC,

2321

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

SSC,

1 4016

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

ISRO, SSC, Vizag Steel,

3 22003

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

SSC,

2093

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 6706

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Un-Answered Questions { Electrical Engineering }

i wasted one year for the job after completed my btech what can i say about 1year time in interview

2113

What is voltage ratio of a transformer?

1185

how much flux density of CRNO core

2997

A double circuit with dog conductor 66KV Transmission line from wind farm evacuation to feeding substation having capacity of 25MW for transmission. Can same transmission network be considered for further expansion of Power & how much in MW. If we need to expand next 10-15 MW more will there any augmentation is required in transmission network? Kindly reply asap.

2198

What is EMC filter in VVVF Drive ?

2730

What is the difference between diesel generator engine with and without turbo charger with the same capacity?

1688

Why arc quenching is used in Diode ?

2156

What about electrical Units. discrive in detail

2097

How to choose the vector group for the step up and step down transformers??? Tell me the which vector group is suitable for step up and step down transformers and whats the reason to choose and whats the benefits???

2280

how we can explain arc heatng?

1939

What the difference between three phase contactor (coil 110vac) & three phase SSR (control voltage 110Vac)? May I use contactor in place of SSR?

2163

at which voltage level arcing ground is occurs ??????????

2068

How do the synchronizing lamps indicate the correctness of phase sequence between existing and incoming alternators?

2181

sir,in our plant we r using SATEC PM172E power reading meeters in HT panel side it is monitoring the MB data smart viewer(sever).but last one week we did not get readings inthe server only available in meeter.tell me how communicate meter and server. and also what steps we take for checking.

2229

USE OF 8 WAY PAN ASSEMBLY

1963

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