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 "PE" earthing? and what do u know abt 16mm cable?

1 5712

what is the difference between ac ground and dc ground.. In my project iam using both ac and dc supply.. can both the grounds or the return paths be connected??

1 5868

Pure inductive ckt takes power from AC when 1. Applied voltage and Current increases 2. applied voltage and current decreses 3. voltage decreases and current decreases please justify

2 4772

how to calculate a cable size while load is given in amp or kw and length is also define.?

1 5616

Terminal blocks is used for segregate the connections... There is any principle for terminal block..?

2079

how do u calculate CT rating for 10 mva transformer

Enercon,

2 7518

what is physical distance of isolator to VCB in 33/11kv sub stations

Enercon,

2095

how much kn lightning arrestor is used in 11kv line

Power Grid,

8 15135

what kn of disc is used in 33kv,132kv,220kv,400kv,800kv transmission line

Jindal, Power Grid,

3249

what are the names and size of various conductors used in transmission lines

NTPC, Power Grid,

1 9124

what are the various types of towers used in transmission line

Power Grid, UltraTech,

12 54444

tell me the various standerd of CT ratio

ICA,

1 4542

i want use the cable size 16cx4 core aluminium usege watts 240x2000w this cable size is correct?

Sabre,

2158

what is the size(sq.mm) of these conductors dog,rabbit,tiger,panther,mush,

Power Grid,

8 82141

what is the maximum load on for 10 kva & 25 kva transformer

ABB, Power Grid,

8 52003

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Un-Answered Questions { Electrical Engineering }

Is there any problem about which the drive (inverter) doesn't show/display the alarm and/or fault but instead of this , it doesn't work ? I want to know that could there be any kind of problem in the drive when the drive doesn't display the alarm and/or fault ?

1929

how to check three phase motor torque value?

2327

What is the function of NER and NET?

2409

What do you mean by Frame 5 Gas Turbine as well as Mark II.

2460

how can we find thae value of capacitor for single phase motor. what is difference between starting capacitor and running capacitor.

2333

IN induction motor pf is increased using capacitors.what will be the effect on motor and system when very large capacitor is accidently installed and pf goes leading.

2101

why we get 2 differnet values for power factor in 2 watt meter method in 3 phase

1821

Types of test in Switchgears, MCC, NGR and DB's how it should be procced. Can anyone give me the details here or email me to pasuvaraj.k@gmail.com

2066

Whether 3 phase induction motorwith 100 hp capacity , Amp 160 for which sensitive earth fault relay , type CTUM 15 can be used?

1443

What is a system?

1151

In ACS 1000 drive we are using 12 pulse converter,why don't use 3 pulse converter.

1980

how to meas-our losses for L.T & H.T

2124

Why we are using Isolation Power Transformer inplace of commercial power transformer? What's the difference between them?

2101

How to calculate the Harmonics losses in terms of cost/unit.

1987

what you have to see after one week or month from the day of installation of transformer ?

1677

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