Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Which type of starter to used which type o motor

Crew pvt ltd,

1329

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

Daya Engineering Works,

1 2134

What is the kva?

Makino Auto, SAL Steel Power, Sapphire Group,

2 2854

Why NGR is provided in sub station?

MMS,

4 3458

why moisture formation found in XLPE Armoured cable outer sheath

1322

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

MindSquare, Sical,

1203

transmission line losses

SVS Constructions,

1 1864

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

IOCL,

1 2207

working principal of online ups

Delta Power Systems,

1289

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

Endurance International Group, Infosys,

1167

Why Generator KVA not in KW ?

Bygging India, HHH, Tata Motors, TVS,

3 3875

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

AB, JLL,

1073

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

2 1932

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 2208

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 2160


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Un-Answered Questions { Electrical Engineering }

hello friends this is krunal here.. i have applied for he officer train in hpcl electrical stream.. any one who have applied before for electrical stream please help me out.. post ur reply to my mail id: krunal_airforce@yahoo.com.. any tips, old questions for paper or any help will do.. plz help me.. your faithfully, Krunal Darji

1427


how to calculate the breaking capacity of different breakers.

1681


List examples of current sources?

610


why generator efficiency is more in swinburnes test?

1735


How to decide no. of Step and Kvar for APFC Panel 40 kvar MD: 33.12 KVA Avg pf : 0.8540

657






What is the different between digital phase converter and ordinary phase converter?

647


what is the reason the main breaker is trip during the motor is running? (some time the breaker is not trip)

1295


IN 1000kva transformer where the oil and winding temperature sensors is connected

2055


Why power factor should not be in leading (capacitive) mode of any load.

5828


What are the advantages of a three-phase system over a single-phase system?

617


what is the best method of grounding in 30 MW generator?

1481


On what cycle does thermal power plant operate?

635


which type of cabel

1906


i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

1686


Type of motor stater detail and working detail

1253