Electrical Engineering Interview Questions
Questions Answers Views Company eMail

why noise occurn when transformer is working ?

3547

what are tpes of insulaors& its uses

ABC,

3037

i have 3500 amp load and select current transformer and perches.how i calculate .please understand

1783

What is the difference between the impedance percent and impedance voltage ?

1743

what is capacitor voltage transformer?? how it is different from potential transformer?

NHPC,

1727

what is wave traps and why it is been used in switchyards?

NHPC,

2543

What is the effect of interchanging core(made of steel) and winding(made of copper) material in case of transformer? Give proper explanation in regard to different losses in transformer.

1470

IN electrical field, WHAT ALL THINGS THE CUSTOMER WILL ASK WHILE ORDERING FOR LT PANEL (ALL TYPES OF LOW TENSION PANEL)

L&T,

1676

where is highest transmission voltage is used in india

3906

What is true sine wave or pure sine wave inverter?? Is it sine wave or step wave?? If it is step wave, waves with how much step is considered as pure sine wave? Is it possible to produce pure sinewave using power electronics?

1422

how many current required for hypo test

1505

why the voltage transmission is always in a multiple of 11? e.g. 110 V, 220 V, 33 kVA, 11 kVA

41794

how does PLCC work?...

3379

how we can do the insulation on secondary of ct explain and so that tan delta will within limit

1498

sir, i am 3 years diploma course pass out candidate.what type of certificate can i got in marine service.

1502

Un-Answered Questions { Electrical Engineering }

why we testing the core balance of the transformer before comissioning?

1623

how many Classification of fire extinguisher

1715

I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com

1926

one electromagnet is called

1468

Terminal blocks is used for segregate the connections... There is any principle for terminal block..?

1742

Please brief working principle & construction of permanent magnet AC Servo motor

1788

ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

1653

I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??

1445

WRITEDOWN FEW RELY CODES

1852

why effective resistance should be more than static resistance in transmission line?

1623

what are the preventive maintanance actions taken for air circuit breaker? please answer me

1603

what would u consider to be the basic purchase order information you would need to proceed with a cable inspection assignment?

1503

How to calculate that clean water supply in one Day from 150 KLD STP?

1607

Draw a block diagramof Three UPS systems connected in Parallel mode?

1722

define as synchronous generator

1738