Electrical Engineering Interview Questions
Questions Answers Views Company eMail

during installation time of transformer and alternator which points we have to observed?

704

what is principle in relay testing kit?

3 4965

how we can calculate which capacity capacitor bank we have to add for improve pf?

Torrent Power, JM Huber, Consultancy,

3 11091




what is the difference between LT and HT power supply?

Siemens, JSW, Center One Mall, Central University, Suzlon,

26 156818

why buchholz relay installed in inclined position

Eskom,

3 6880

what is zero sequence curr ent ?

4 14739

why we cant use AC supply products in DC supply?

21 9746

why 3 phase motors are preferable over single phase motors ?

4 3337




how to select cable size?

4 7426

what is the purpose of starter in tube light?what is it operation .

1 3265

1)Why electric shock is feel ?? n in a Electric Train why we didnt feel that ? 2)What is the reason for transformer Noise ?? 3)What is relation b/w Transmission Lines & Communication Lines ? 4)Which material is used for making Transformer oil & How u measure its dielectric strength & Name the test ?

NTPC, Tata Power,

14 15934

To check the earth condition (In plug points); the voltage between earth and Neutral is in below 5 volts. Is it correct

6 4027

What is effect of power factor on change in voltage

apspdcl, APNPDCL, My Home Industries,

12 34583

Whats the difference btwn a latch, port,data bus buffer? Do they all not hold data in d flip flops??

1217

which network topology offers the greatest level of tolerance?

805


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Un-Answered Questions { Electrical Engineering }

what is submersible pump?what is different between motor and sub motor?

775


along with technical test papers

346


If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

818


thyristor controlled APFC panel design parameter?

624


what does a k rating in a transformer means?

1296






The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

766


A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

724


If i=10+10sin314t then find the rms and average value of current with explain?

2728


Why did lightening arrestor solid copper rod head is sharp on mobile tower top?

839


what are the basic insulation levels & what its Unit

678


Why r u using pf panel. what the uses

665


i am completed diploma in ece,and working in ht and lt lines.so is elligible diploma in ece for get electrical C Licence?plse give ur opinion?

376


What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

970


tell me about roaster switch .& what is the function in transmission & distribution?

1399


how to calculate slip ring induction motor stator and rotor currents??

819