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

Satellite Systems Engineering (106)
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Engineering Interview Questions

Questions Answers Views Company eMail

What is an Isolation Xformer? What is the use of it?

2 8143

What is the different between Earthing & grounding?

1 5039

how braking & making capacity of circuit breaker are calculated?

Bhel,

2303

If we feed 230V ac supply to a full wave rectifare, what & how much will be the out put voltage?

3 6252

What is thresh hold value of current?

2172

What is negative phase sequence?

Hindalco, Universal Associate,

7 92469

What is harmonics in AC waves. How it is generated? How it will effect the system network? how can eliminate it?

2 5129

Waht are the protection should be use in HT/ LT side of the same Xformer?

1 4243

How to calculate the phase to phase clearness of HT /// LT bus bar?????

2080

HI, I want to buy a new Xformer to my plant. what are the main parameter should I check ( Xformer rating is 16 MVA)

2 4361

What is the minimum IR value of HT/ LT cable? Pls post separetely!!!!!

Bhel,

2447

What is warm / cold start of HT motors. How many warm start & cold start are possible in a day?

2055

Waht will happened if reactive power increase in the line? waht about active power increase too?

3 10437

What is open delta Xformer? It's adavntages & Use?

2232

What is inrush current? how can calculateit? what is the affect of it?

2048

Un-Answered Questions { Engineering }

Why is an excess-3 code is called an unweighted code?

1150

WHAT IS VCB SAFETY

1252

For a washout valve why are two gate valves required in normal practice?

1145

can any one pls refer me any sites which have notes regarding Body-in-white(welding fixtures)...pls

2094

What is the difference between blower and fan?

1053

Hello Friends I had my ONGC test today,but it was very bad.But I would give certain suggestions so that u may not face he problem which i had. Be thorough with Electrical Technology.Generators.motors stators etc.There are 5 questions on that. There were also good no.of questions from Hydraulic machine and Production technology. Then 3 from Strength of materials.And remember the dimensional quantities.

1969

What are the characteristics of scr?

1054

How do you prepare Material Recovery Statement for deduction from contractors bills?

1735

What are the factor to be consider for CT selection in 132kV substation?

2076

Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

2816

Explain what is use of lockout relay in ht voltage?

1080

which are the five general EMI(electromagnetic interference) testings conducted on any system?

2011

Dear Sir, i need previous technical question papers, if possible so please tell from where i got these papers.

2063

Why must we pay attention when we drain steam in steam turbine. What factors are observed?

2028

A ii kv 1200 A Breaker combination fixed in a cubicle. How many ampere Fuse is required? If fuse is not using, Why?

1989

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