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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Which type of starter to used which type o motor

Crew pvt ltd,

1813

Dear sir, please tell me how many day use CTPT transformer

Daya Engineering Works,

1 2865

What is the kva?

Makino Auto, SAL Steel Power, Sapphire Group,

2 3757

Why NGR is provided in sub station?

MMS,

4 4991

why moisture formation found in XLPE Armoured cable outer sheath

1819

I have c license but I don't know eligibility of Max Kilo Volts under the electrical licensing board.

MindSquare, Sical,

1728

transmission line losses

SVS Constructions,

1 3080

Why R ph of Hv and Lv is shorted or joined together while taking vector group?

IOCL,

1 3035

working principal of online ups

Delta Power Systems,

1773

Why line VTG = √3 phase VTG in star? How?

Endurance International Group, Infosys,

1620

Why Generator KVA not in KW ?

Bygging India, HHH, Tata Motors, TVS,

3 5213

what is power factor ? how we can calculate the low power factor and amount of capacitor for improve that low factor ?

AB, JLL,

1622

after applying C-License in how many days we get it?

2 3006

750kva 11/415kv transformer having percentage impedence is5.64%. 11KV HV whose current 39.37A and 415V LV whose current 1043.43A.resistance is 2.5ohm. find no load loss and full load loss?

2 3117

I have 30 kw motor load & i have selected 10 kvar capacitor bank for power factor improvement.my existing p.f is 0.85 & proposed p.f is 0.99 so ,is it right selection? 2 nd question how to connect c.bank whether in delta or star connection & how to decide it?

1 2914

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Un-Answered Questions { Electrical Engineering }

Why the field rheostat is adjusted such that the voltmeter reads 380V

2298

at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?

1886

What do you mean by phasors?

1080

Can we put 3 layers of cable tray while installing tray

2401

Why line VTG = √3 phase VTG in star? How?

1620

Explain about technical and non technical losses in distribution system?

1075

What is critical disruptive voltage?

1321

sir iam from electrical and electronics branch ,can i appear for the hpcl offline requirtment? if yes please mail me on vikram_raju25@yahoo.co.in

2031

I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?

2172

What are stable systems?

1103

Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

3967

what is the difference between c power and U power acb breaker

6422

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

1903

why don't we use the generator as a motor? and what will happen?

1897

1.main parts of generator? what is used A-check,B-check,C- check? 2.what is FM200 system in data centers? 3.difference between pac,ahu?

2134

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