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 formula can be apply to calculate the No of rtrand of a cable. ?

1 3396

freuency meter

1 3454

How can we get d.c series motor characteristics by using a.c induction motor?

IIT,

1 4016

Why do we avoid electrical conduits in floors at apartments?

2072

The purpose of a choke is to provide a ?

1 5202

why we use end termination xlpe cable on ht kit

Al Bario,

1 2897

Why do you get a typical sound when the transformer is put into operation?

IIT,

4 8736

WHY IS CT SECONDARY SHORTED TOWRDS TH EQUIPMENT TO BE PROTECTED

1 3434

what is the resistence of human body?

BBC, NTPC,

3 8133

What is the difference between Encoder and Resolver?

DCCE,

3525

I have doubt that the supply HZ (very low or high than rated ) may affect the power factor. is it true. ?

1668

Active power= VI COS FI But incase of leading power factor ( more than unity), may we use other formula ? because the cos fi (value of cos thita) should not be grater than one.

2 6983

In simply words(not explain any formula )what do you mean by power factor.?

DRDO,

5 7800

how do i calculate voltage drop-if length is 1000 meter,amps is 160a

1 3931

When we use PT in HT Panel why the ratio is 11Kv/√3/110v/√3 please explain briefly with suitable formula?

1 10614

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Un-Answered Questions { Electrical Engineering }

what is the Connected Load (kW) or Contract Demand (kVA)of mahindra nasik plant??

9484

WHAT IS SPEC OF CLEANROOM MOTOR AND LIGHT FITTINGS?

2313

dear sir/madam i want to get some knowledge about RRB EXAMINATION(section engineer) 1- what is minimum cut off 2- wht portion is major portion . 3- can any body provide Sample paper. thanks & regards ashish

2360

how calculated Transformer losses.

2035

why ss stablity limit is more transient stablity limit?

2189

Define relative stability.

1063

how to setting Load amps tripping time and extra settings for load Transformer protection relay with RMU panel using C&S model relay..?

1137

An ISP is granted a block of addresses starting with 150.80.0.0/16. The ISP wants to distribute these blocks to 2600 customers as follows. a) 200 medium size businesses; each needs 16 addresses b) 400 small businesses; each needs 8 addresses c) 2000 households; each needs 4 addresses Design the subblocks and give the slash notation for each subblock. Find out how many addresses are still available after these allocations.

7693

When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?

1901

what is difference between cpp electrical system and refinery electrical system

2295

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

2011

How to know of any cable size if there are not written on cabl?

1903

How CFL &T5 tube light glows?

2034

any body,pls tell me how to done relay coordination ? how to coordinate by TCC curve?how to read the tcc curve?

2282

What is mean by hot and cold loop testing?

1088

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