Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how can I improve the current at same voltage? if yes is there any circuits?

2 4666

how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?

1973

If i=10+10sin314t then find the rms and average value of current with explain?

Heptacare, TCS,

2 15850

If ct ratio is 250/1 and mtr is of 5 amp, what will be mf?

1 3406

What is process of anneling transformer core

1964

Whether should be the oil level in OCTC transfomer? It should be upto winding immersed completely or should be upto tap changer s/w? How it will affect the performance of the transformer. Rating may be 33KVA

1836

iam completed my DEEE in eillm university. can i get the c licence in tamilnadu its possible or not

1 3894

why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

Government, PSU,

2795

what is ratio of copper wire size and current ?

1824

why select the 3 phase power supply system in electrical system.

RSE, Yamaha,

3 7865

i HP = ?? 746 watts or 735.5 and how??

1 6454

What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

ABB,

3814

What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

4032

What is effect on in zone and out zone fault if CT chosen for phase side is Vk/2<5mA and Neutral side is Vk/2<15mA on REF protection of Transformer

ABB,

2376

What is the basis for selecting Vk/2 or Vk/4 for REF and Differential protection of Transformer and What is the significance of magnetising current

ABB, Jindal,

2392

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Un-Answered Questions { Electrical Engineering }

thyristor controlled APFC panel design parameter?

1787

How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?

2403

I have two PLC processors. I want to communicate both processor with each other. How i can do so?

2159

What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?

2552

SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

6842

WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?

2117

Pls explan the OLR setting in VCB at HT yard

2688

What is EMC filter in VVVF Drive ?

2730

1.why we are using blocks in withoutgaplightning arrester 2.why we ar using bushing in withoutgap lightning arrestor

2036

Dg pf .71 i am improve pf 0.80 what capacitor connected in dg how?

1681

What is the use of bundle conductors?

1184

Explain the purpose of inductor in an electric circuit?

1134

placement paper samples of mspl company

1942

Explain dc generator with its types?

1127

Why we use ups battery and dsdb battery in thermal power plant

2094

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