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

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Engineering Interview Questions

Questions Answers Views Company eMail

We order Dyn 5 distribution transformer to a company. What arrives is Dyn 11. Is it ok to use this transformer. It will be installed alone.

G&S Construction,

3 6513

why we use the 4-20 mamp signal used for transmitter.

Tecnimont,

5 10975

in transformer input is d.c signal which type of emf is induced

1 4495

How to select the gauge of wire for winding of motors? How to select number of turns for winding of three phase induction motor?

npcc,

2792

Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.

2158

why do we provide metallic enclosure to bus duct and then ground it?

1 4798

How to make a vacuum

Cairn, IIT,

3 6468

how to interlock 3 incomer-ACB,1 buscoupler ACB,... pls answer this question and if possible send me the ckt diagram..haifriends2910@gmail.com

2982

How can i find number of brichs required for given quantity of wall in m^3..

vasanth construction,

5 11431

Boiler flame scanner working principle?

Bhel,

1 7296

Why boiler chimney area oxyden sensor fixing?

NTPC,

2565

what is the rpm of Turbocharger of Cummins KTA50G3 Diesel Engine?/ Normally What is the rpm of Turbocharger for any 1 MW Engine?

HMT,

2875

Why we use 4-20 mA Analog signal for the PLC input? Why not 0-20 mA? Why not 5-25 mA?

2971

If any cable burnt how can we identify it burnt by high current of high voltage?

2503

Why we use Delta connection in the secondary side of a High Voltage transformer?

1 3914

Un-Answered Questions { Engineering }

how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

1101

explain types of electric welding and its applications

1856

From where i can get cds about mechanical related subjests

2157

What is capicity of cap lock scffolding stander(vertical member) and ledger of different size?

2623

Sir, Iam Applied in rrb for the posts of Junior Engineer.I want to know about the or question previews to study well.Pl send it to shukla_varun1985@yahoo.com.

2224

CAN ANYBODY PLEASE TELL ME HOW TO DESIGN A SERIES REACTOR FOR LIMITING SHORT CIRCUIT FAULT CURRENT??

1959

How to know the following data of synchronous generator 1. D-Axis Unsaturated Reactance 2. D-Axis Unsaturated Transient Reactance 3. D-Axis Unsaturated Sub - Transient Reactance

2096

What are LAPD and LAPDm?

2232

What is the difference between 53 grade and 43 grade cement

1804

why screw compressor use for ammonia compression?

2184

Define cuttoff frequency?

1141

whether anyone has VEDANTA written question papers?if so send me soon i've placements in dec 2nd week

2330

Can a computer flat screen hooked up to a fish finder?

1317

In Power cable specification what is U0/U and Um.

3888

We select 10mm nominal thickness for Elip head of a pressure vesel. The minimum thickness after forming is 8.2mm. (Shell thickness is 8mm. The minimum thickness after forming is satisfied or not with UG-79 (d)(3) in ASME SECTION VIII, Div.1?

2716

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