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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

How much maximum power can be transmitted on 66 KV transmission line?

Konark, NDPL, Torrent Power,

1 5670

how to give earthing in plain?

2003

How good are you in resolving the commercial issues to Employer's advantage?

2360

Why lightning arrester blast in rainy day?

Eco Cement, Mahaveer, MBDL,

1 5488

Motor running trough VFD, if voltage reduced speed will be?

4 4918

What will happen if mains neutral and generator neutral shorted?

Betts, Suzlon,

2 4395

How to calculate incoming cable size for 33KV, 1MVA transformer.

IAC,

1 5290

While HT line put on to activate ACB in low tention panel VCB tripping instantly.why it happens

Engineering,

2088

11KV electrical line going through the forest in cloudy night ,how can we find the direction of line.

Bhel, Cesco, HZL, Nesco,

5 6946

In Energy meter How many rotation Equal to one unit.

3 9230

which type of capacitors using in single phase motors

Vishnu Infra,

1 3011

Am using an electronic digital display to see the RPM of ABB ACS 550 drive, which is showing negative value when the motor & drive in stop mode but it is showing correct value during the run mode. can anyone help me out??

Bala Power Solutions,

2 3472

why m and c are shorted in wattmeter

1 9873

What is the difference between MCCB,ELCB,RCB & MCB

Bhel, HCL, HPL,

2 6558

What does Transformer vector connection Dy11y5 means?

1 4181

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Un-Answered Questions { Electrical Engineering }

why cable i burning without tripping. how can protect led street lights

1581

What is the function of NGR for the parallel operation of alternator? whats happen when different rating of alternator are running with parallel?

2980

what is Different between Bilinear and Unilenier?

2159

What happens when two positively charged material is placed together?

1139

If a high resistance fault occurs,then what are the changes will happen in the system?

1463

How to calculate the value of earth capacitance in a transmission line.

2362

What do you mean by phasors?

1072

At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

2031

How to calculate VA rating for CT or PT or Control Transformer?

2849

Where is the best place to mount distribution panel in a house.

2094

What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?

2416

pls someone send me sample question papers along with the key.thanks in advance

2388

Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.

1754

1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

2006

how to know the diffrential relay setting of 06mva step- down (delta-star)transformer?

2033

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