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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

In 11KV Double pole structure for each phase we are using Disc one Insulator. Why we are not using 2 r above insulators instead of one insulator?

Genus,

4 9701

What is the difference between Derived earth Fault and measured earth fault.How it works.

1 20912

Which one hurts more AC or DC Current ?

10 11682

WHAT IS DOL STARTER? HOW IT WORK? GIVE ITS CONTROL AND POWER DIAGRAM .

Bhel,

2171

what is star delta starter? how it works? give its control and power diagram.

Bhel, Point to Point Solution, Star Wire,

2094

what is RTD? what is THERMOCOUPLE? What is difference between it?

Bhel,

2 5768

what is induction furnance? how many phase supply given io its coil for 15 or 20 ton furnance?

Bhel,

1 3416

how to decide cable rating? send me cable size,ampere rating data

Bhel,

2 5381

what perpose of use CT ratio in gt,st,uat

1 3547

WHTA IS LIMT OF LEAKGE CURRENT OF 11 KV 1 CORE 1000SQ.MM. XLPE CABLE.LOAD ON CABLE IS AROUND 600AMP .LENGTH 500 MTRS.

L&T,

2143

what happens when you connect a.c and d.c supplies

1 2412

What is the difference between class0.1 and class 0.1s accuracy of current transformers

2 6953

how to identify 3phase....r y b .A new make altnator how to identify R

2 5021

how to modify DOL control panel into Delta Y connection?

ABB, PDCS,

1951

DEAR SIR/MADAM,CLEARLY EXPLAIN ABOUT CRAWLING AND COGGING EFFECTS IN INDUCTION MOTOR.

1901

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Un-Answered Questions { Electrical Engineering }

for 100 HP Induction motor service factor is 1.2(SF) we placed a VFD at the motor side load is balance with 0.3 Amp's Phase to Phase but at incoming of VFD load is un-balance with 10 to 20 Amp's what will be cause of load un balance

1945

How to calculate ant test the burden of Current transformer

2455

Define relative stability.

1065

How many devices can be connected in one zone of FACP

2321

why booster transformer is used in sumpners test conducted on transformer????

3582

How we calculate DC inducation moter Amp? Sir pls give me formula......

1836

Batteries used for electrical energy storage are a. Laclanche cells b. Edison cells c. Lead acid cells d.any of the above

1907

oil cooled transformer

2229

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

2062

(1)Can earth and be conected together (2) what is the diferent between earth & neutral

1812

If 24 KVA AVR having Input voltage 200-400v, Output voltage 415+-1%, what will be the voltage if Load is 13A.

2097

10 Mtr Hight of Lighting Arrestar how much area coverd??

2505

How to Calculate The Neutral Earth flat design calculation for the Synchronised generator (Gen 1-650Kva, Gen 2-725Kva

1651

how does commutator convert a.c to d.c?

2200

What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV

2038

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