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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why VCB always installed only at HT yards or HT side? suppose if ACB installed at there means, what will be problem?

1 7389

what time should we set to come on star contacter in stardelta starter?and for what reason we hav to set such time delay range?

2 5355

What is the difference between earthed and unearthed cable

FT, L&T, Suzlon,

5 10572

What type of input will the OLTC indicator will accept or what type of output the OLTC will produce to monitor it's position at remote location.

amps,

1 3940

Is phase preventer require when overload relay is there

1 4208

What are the different types of testing in ht cables?

3 7410

what is busbar and its function/

2 5963

What is the minimum setting in REF relay because i am facing some problem whenever power resumes after power failure my transformer is tripping because of REF trip. I am using CSPC make numerical relay(DIP switches). Now setting is 15 percentage. What is the reason for this triping. I sm waiting for answer

2 4907

when the time of backcharging the transformer three phases only enough or three phase with neutral is must.from these which one is the best one.

2016

What is the restart inhabit setting in ABB spam150c relay (Motor protection relay)

3616

how work the differential protection relay in details?

2 7616

what is the work of trip circuit supervision relay?

Volkswagen,

2 11851

how work the lighting arrestor?

2 5147

what is preventive maintenance? and what is predictive maintenance? and what diffrence both?

Volkswagen,

3 8528

How the Oil Surge Relay works? How it protect the OLTC?

JSL,

3 55776

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Un-Answered Questions { Electrical Engineering }

how to check regenerative load in drived motor

2192

what is sevice settings for mccb?How can be it setted?

1950

how we decide wire gauge for ac or dc coil and what is the basic diff. B/w these two coil?

2163

I am inpecting a 10kVA UPS what tests should i do and should i observe?

2188

WHAT IS THE CURRENT CARRYING CAPACITY OF 2.5/3 CORE HI TUFF CABLE,WILL IT SAFLEY CARRY 8.6 AMPS OVER 120 METRES,CAN YOU ALSO ANSWER WITH FORMULA FOR WORKINGS OUT ,THANK YOU 3RDYR APPRENTICE.

3533

2093

what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?

1761

please send me RRB electrical engineer previous year questions for Sr. Section Engineer

1912

hi every body i am master student in control engineering and my project is slip control in trains i assumed a Dc motore as traction motor but i don't have characteristics of this kind of motor that is used in train. i want from every body if he or she has the characteristics or information about Dc motor that is used in train give me those information or technical characteristics .

1446

how many electricity poles are there and what are the names and their sizes.

1876

What is meant by derating factor?

1180

What are the types of windings present in the ceiling fan? What winding will be effective first when we started the fan?What are the resistance and inductance ratios comparatively at the initial speed and full speed of the fan?

2965

can any one know is sbi interview based on merit or based on roll number

1951

what is the sludge current

2077

Why the efficiency of generator is more than motor in swinburne's test

1989

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