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Electrical Engineering Interview Questions

how i calculate the size in mm of the LT 4 core cable for 100 HP inductive motor pump

1196

If u take a kWh reading in 11 kV HT and 440 LV side at same time in yesterday today , then why LT consumed units 3-4℅ high as compared to HT units

1366

why ac wave is sinusoidal not square or triangular wave what will be reason

ACPL,

1164

what is reason in mv breaker the control supply voltage is dc not ac?

1603

what types of cable used in underground coal mining?

866

condition Autotrip facia come on control panel of electrical transmission line?

896

How to calculate capacitor bank size at a load 800kVA.

985

what are the reasons of CT circuit faulty in busbar protection scheme?

791

Generator,motor and alternator Working principal Please explain easily

824

From past few months I am getting lagging pf even though sufficient capacitors used in circuit. Where is the problem pls answer

778

What is the current carrying capacity of 35sq.mm flexible cable?

862

What is the technical difference between On delay timer and a Star delta timer?

777

how electrical earthing maintenance done in industry?

L&T,

823

dc supply given to dc generator winding.how is possible? my knowledge is saying the winding will burn. please reply.

823

why we are not giving the zone 1 trip command to the master trip relay

917

Un-Answered Questions { Electrical Engineering }

1367

1) why a dg set shows variation of power factor and load when synchronised with other dgs? 2)Why the load sharing is not become equal in all dgs?. 3)When a dg set will not run on auto start?

1345

How much earthing require for h.t.22 k.v. cable in coming side & out going & 22 lighting arrest or,22 k.v.D.o. & A.B. switch.

1547

What is electrical cable termination

2054

What is dynamo function in DG sets and draw block diagram?

1410

I am completed DEEE in tamilnadu, now i am working in andhrapradesh with 2.5 year experience in relavent field. capacity of the tranformer is 11KV, 1MVA Transformer, i am eligible for getting c licence in andhrapradesh pl help me.

963

solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

1124

i want to model paper for section engg.

1404

What is the difference between rated and per unit in transformer?

1556

If you have an earth with pilecap then your resistance is really low. why and how?

1276

what are types of encoder

1191

What is relation between transmission lines & Communication lines ?

1525

Hi Everyone ! My Name is Hakim ullah khan please i need formula of Cable Rating because i want to calculate by self without check any Table Chart... Thank you.....

1092

can i able to get bhel previous exam question paper?

1501

What is capacitance?

535