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Electrical Engineering Interview Questions
Questions Answers Views Company eMail

can we use ac ameter as dc ameter with ct

1 4235

How will you calculate the correct KWH value if your CT is 600/5 and your KWH meter is rated for 100/5

L&T,

1 6483

what is meant by transformer oil temparature

Vijaya Bank,

3 5627

Why don't connect earth wire to elcb?if earth fault occur,how will detect it

TATA, Tata Communications, Telecommunications,

1 4665

if single phase is having 220v supply then why three phase is having 440v instead of 660v?

C&S, NTPC,

4 8576

Fantio of tranformer

Tenon,

2254

What is the basic difference between directional and non directional over current protection?

1 4805

In an electrical power supply,why if neutral phase of a 3phase supply fail over current occur but if it's single phase supply neutral phase fail low current occur? 

1 3564

why transformer rating comes in kva?

HNG, Tech Mahindra,

4 8226

I have 440v power coming to facility,( not being used ) can I buy large generator, (gas) to sell power back to electrical co.

KVF,

2471

exact definition of reactive power in power system

Sreetech,

2 5246

why conductors of low tensile strength 1)produce greater sag and 2)can not be used for larger spans

1 2879

What is multiplying factor of meter if the meter ctr and ptr is open type?

1 5064

We order Dyn 5 distribution transformer to a company. What arrives is Dyn 11. Is it ok to use this transformer. It will be installed alone.

G&S Construction,

3 6340

in transformer input is d.c signal which type of emf is induced

1 4394


Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

Zone of protection and tripping scheme of arc protection relay.

1888


What is resistance of 50meters, 16sq.mm, single core copper cable?

1913


magnetizer priciple

2109


why Lightening Arrester Probe sharp at Top of telecom tower.

1578


State Maximum Power Transfer theorem.

1278


what is meant by surge? what we called for high currents?

2062


We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's

1940


what are the things that can cause a three phase motor to crawl?

3590


what is meant by class 1 E in electrical power supply?

2130


which types of relay used in acb and vcb?

2751




2445


33kv Rated output avilable in market (any where in india)

2093


How many methods use the load flow solution?

1370


which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

2058


what heppend if we are connected u1-v1-w1 as a star point in the place of u2-v2-w2 in power genration

2245