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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Which type of starter to used which type o motor

Crew pvt ltd,

1857

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

Daya Engineering Works,

1 2961

What is the kva?

Makino Auto, SAL Steel Power, Sapphire Group,

2 3872

Why NGR is provided in sub station?

MMS,

4 5175

why moisture formation found in XLPE Armoured cable outer sheath

1896

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

MindSquare, Sical,

1780

transmission line losses

SVS Constructions,

1 3203

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

IOCL,

1 3138

working principal of online ups

Delta Power Systems,

1835

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

Endurance International Group, Infosys,

1691

Why Generator KVA not in KW ?

Bygging India, HHH, Tata Motors, TVS,

3 5392

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

AB, JLL,

1687

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

2 3106

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 3251

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 3026


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

define superposition theorem thevnin theorem ,norton theorom?

2465


How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.

1860


define displacement & magnitude ?

1898


How to calculate impedance volt in Transformer?

2158


how the works electronic energy meter?

2224


Differentiate between magnetic field and magnetic flux?

1194


In motors how many types of cooling systems were used?

2123


what is the purpose of shading ring or shading coil in electrical equipments.

4548


should %impedance be high or low in a power transformer? if so why?

2007


how many single tension hardware are required on a double circuit transmission tower?

1991


Can we use 230VAC, 63A MCB for 120VAC, 63A supplied heaters load?

1554


what is the difference between skin effect

2322


Why 30kw 40 hp 4 pole 3ph induction motor over heated?any steps on reduction in heat?

1733


When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

2134


what is doubling factor in making current of a breaker?

2119