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_mean_by_negative_dc_voltage? why we use -48v except +48v in DC power supply systems.

APEL, BSES,

2 7028

how ship earthed?

Marico,

5 18400

why three phase three wire system probably did'nt have neutral

Marico,

2 7764

what is the difference between synchronous generator & asynchronous generator

Reliance,

4 22405

what do you mean by leading power factor & lagging power factor

Suzlon,

13 69195

In power transformer YnD0 Vector Group is possible or not? if possible, what will be the vector diagram and what are the conditions?

2 9397

What is class 2 coordination ?

2 3760

what is difference between mccb,mcb,elcb,pccb

7 22359

how generator generates electricity?

Suzlon,

1 4572

what is the significance of tan delta testing?explain the theory?

7 37473

how to test generator protection rotor earth fault relay and locked rotor test?

1 14510

hoe to test voltage restrained overcurrent relay?

2 5654

What is the Difference Between MCCB & ACB & VCB

3 9639

Pls say , how we calculate lux / sq.ft, which formula used for calculation

5 18513

how calculate busbar size for rated amps, which formula use

Rites,

2 11654

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Un-Answered Questions { Electrical Engineering }

1.4 What is meant by CT knee point voltage and how would you determine it

1648

How will you utilise electrical power? You can start from the generating station.

1879

What is knee point voltage of transformer?

1096

Can any body tell me the different types of LT cables & their application.

2072

whati s the sludge current in ups

2180

I want to do a mini project. Now I'm studying in 6th semis tor EEE Engineering.

2119

why the projects getting loss?

1892

bsec exam syllabus (mis)

1232

How to findout raw or ups power? its not indicated in socket,

2006

If oil and air can withstand a high MeV when used as an insulator in a transformer, what are the values of how high for each material?

1823

what is the path of thunderlightening? once both a buffalo and a person were standing 5m apart but lightening hit and killed buffalo not person?

2831

Why HT 11 KV Slipring Motors are connected in star ?

2184

What will happen to the protection and metering, if the polarity of a single or two PT/PTs in three phase system is reversed? Please provide reference if any.

2146

A cylindrical wire is compressed in length by 10%. The percentage decrease in the resistance will be?????

2233

What are the applications of autotransformers?

1042

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