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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

what is the difference between Resin Cast CT and Oil cooled CT?

1 5750

what is difference between elr and R eartl realy.

2600

how power can be saved using VFDs in detail explain

1 4364

difference between earthing and grounding?

ABB, Bharti, L&T,

2 7124

why we use iron corn in transformer instead of wooden core

12 23391

why weight is put on pulley?

1 3776

direction of tarbine& genrator

Sandvik,

2048

what is the power factor?please tell me uses.

NTPC,

5 8341

what are the various parts of airconditioning system used in train and its working

1 3086

What is static Device & Mechanical device? Is transformer a static device?

ABB, Emco,

5 38728

how to select earthing wire? procedures and parameters?

2 10240

what is booster? and how it is connected in a circuit?

APTransco,

2558

what is looping circuit in electrical lighting circuits?

L&T,

5 17381

Which contains in POLE ASSEMBLY of a 11KV Kirloskar-make SF6 (Model No-FP620A12)? Will u clarify with drawing?

Kirloskar,

2127

What is the difference between ARC & SPARK?

OPTCL,

4 38949

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Un-Answered Questions { Electrical Engineering }

why we can use 1 to 5V dc

1924

How to determine the breaking capacity such as break down current and break down voltage for VCB and CT's.

2147

What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )

2026

What is milivolt dop test in Busducts? What is its significance & procedure to do the test?

2051

How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

2130

Whether IP65 enclosure box blocks ventilation if driver for LED have to enclosed inside IP65 box

2049

What was the Dg set radiator and lube oil temperatures trip in ACB

1789

Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB

2702

what is static frequency converter?what is the function...of sfc...?

2197

What is “pu” in ee?

1028

Name two low frequency oscillators?

1364

we have a rewind motor of 2Hp,2800Rpm, 220Volt AC. how can we choose the running capacitor for this motor, any formula for that?

1874

What is the Current equation in series RLC circuits.

1006

11KV AND 22KV NETWORK KW CAPACITY IN RING AND RADIAL?

1936

what are the applications of PLC?

1931

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