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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Why Ferranti effect not occurs at full load?

L&T,

4 21480

how to identify the direction flow of electrons in a conductor? if i want to check the sequence in kv lines, is any device is available?

 3 4725

What is the importance of creepage distance in disc insulator ?

 1 12012

As we know that during saturation test of CT from secondary side, the current in secondary shoots up after core saturation. How core saturation effects the secondary current?

 2 3643

Why secondary of a CT in a power system acts as an open circuit after core saturation?

 2 4674

which motor is used in mixies

 10 21186

the minimum clearance b/w ceiling and plane of leaf of ceilng fan shall be ..........mm

 1 3099

why anti pumping relay is not given to tripping coil of the breaker? why only to closing coil?

INEL, Siemens,

2 5217

how to build a network which step down 415v to 1v rms

 1451

how to calculate the bus-bar size. give formula with description

 1 5254

what is single turn and multiturn encoder ? Can single turn encoder be used to show rpm of a motor(on shaft) ? Plz explain in brief .abanirout@gmail.com

 1 3223

Can we use a absolute encoder to show rpm of a motor ? what about the condition when power is off ? what is difference if a incremental one is used ?abanirout@gmail.com

 1576

Why most of analog o/p devices having o/p range 4 to 20 mA and not 0 to 20 mA ?

 2 4878

what happens when current(ac or dc)flowing through a boucket of water?please describe it.

 3 5872

two bolbs of 100w and 40w respectively connected in series across a 230v supply.which bolb will glow bright and why?

DRDO, PSPCL, Siemens,

16 59615

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Un-Answered Questions { Electrical Engineering }

What is industrial plc

1298

In CTs tan delta point should be earthed , what is the reason behind it?

2494

Block diagram of Power line communication?

1866

What is Tachometer used to measure?

729

For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

2509




I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

2417

why not starting switch first connect in direct on line starter?????

1395

what is the reactive power what is the use of it in system

1617

for 4 MVA , 33K.V/6.6K.V transformer. secondary side the connected load is 3000H.P. What is the rating of capacitor bank to be insttaled.

2136

Do closed loop systems require manual input?

656

I have a 380 KVA DG set. How can i find out 1. My Fuel Consumption per hr ? 2. Electricity produced in 1 Hr. ? 3. If load varies then how does it affect fuel consumption & electricity produced ? Please HELP !!! Really need an answer.

2113

what is effect of 5amp fuse on 2mva pry protection of transformer

1361

How to calculate ant test the burden of Current transformer

1947

draw the restricted earth fault protection circuit install on power transformer and identify its parameters and draw C/C curve of it

2189

How much current will a 5 HP delta connected motor at no load will take?Is tat need a starter

6673

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