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 diffrent between ups and inverter

ABB,

2 5384

difrent between vcb acb sf6 and mccb breakers

DMRC,

1 5433

what is diff btw electric,magnetic & eletromagnetic field

Senthil,

2126

how calculate the electrical load for industry and office

2 9319

What are the types of piano switches?

2032

What are the specifications for getting approval of Substation?

1929

During underground cabling in landscape area what did we cover the cable with to prevent the electric shock & protect the cable?

1872

According to conduit size which size wiring & how many wires can we provide wires in conduit & how can we select conduit size accordingly?

1900

(In MEP services) HVAC in AC Plant room what else can we provide if the chiller is not considered?

2043

what are the reasons for overheating in electrical machines?

3 5369

Difference between hopkinson and swinburne's test

1 13632

What are safety features considered for Lifts during emergency?

1 2585

In Plumbing services What are accessories we consider for a bathroom?

1995

What is the minimum underground tank size capacity considered for firefighting purpose?

1953

In MEP Services what are parts of STP and what are there function?

Tenon,

3550

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Un-Answered Questions { Electrical Engineering }

Good morning: I'm looking for some informations about the OLTC or the LTC: I wont to know what the function of the tie-resistor in during the operation of reversing/coarse operation Cordially

1999

what is cathodic protaction?

1991

for a 400kv t/m line with 10 ampere current will corona occur?

2193

What is the tube exial fan?

2209

What will happen if we introduce negative feedback to a control system that uses a positive feedback?

1097

Name two types of electrical analogous for mechanical system.

1214

what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

2474

what parameters are should nessary for control technic dc drive(in rolling mills)?

1984

What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.

1345

Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.

2205

Is it true online ups having bypass mode if it is true then why we called ups because it is interrupting power when goes in bypass mode

2028

what is the need of starter in tube light and what type of starter is used in that?

2022

Why open circuit test of transformers is conducted at rated voltage??Why not any other voltage??

1665

what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks

1643

Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?

1823

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