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

can u describe the method used for protection of transmission line.

IBM,

2221

why IBD Vent is kept at higher elevation than CBD ?

5 20505

Why do we need Interview?

2100

why impedance relay is used for medium transmission line protection

2329

why they were using TRIAC instead relay in some controllers and what is the advantages.

2024

why direct mounted pressure transmitters is always installed with DBB ( double bleed block) valve in process line or top of the tanks ?

2054

In control valve , Failure position : Close If it is Fail close(FC) during failure of AIR.. what will be the initial/ normal position of control valve is it normally open or close? please some one explain soon..

2 11320

how can we understand about dcs "bailey infi 90 dcs system" . how its work how signal come from field how it process and how o/p creative by controller. how its cards work.the bsic principle of working of dcs

1 4215

what is design mix of M10, M20, M35, M40 grade of conconcrete?

ILD, Lok Sewa Aayog, Raheja, Vishwa Infrastructures,

1 8026

we have earthmat at 110KV substation.we would like to take earth resistance.b some says that by connecting earth megger terminals (C1,P1) at middile point of earthmat (at riser) will cause voltage gradient at other earthmat nods and dont get exat earth resistance.when connecting at end nods will get exat value . is it correct .please explain

TNEB Tamil Nadu Electricity Board,

2218

I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

US Electrofused Minerals,

1978

why we take 4 to 20 mA as out put of every instrument like pressure transmittre ?why we cant take 0 to 20mA as output?

OGDCL,

6 10991

What is the difference between induced draft cooling tower& natural draft cooling tower?

2 6182

what is basic difference between the normal tube light choke and electionic choke ?

Amaron,

4 14035

Is there any tradeoff between voice quality and bandwidth, how?

IIITM,

1 2850

Un-Answered Questions { Engineering }

How does a modern submarine move?

1122

What is the end effect of linear induction motor ??

2028

what quantities of work done in terms of sq.mts/day/ of 8hrs for each varpenter (shuttering) and Steel fitter in terms of Tonnes. For slabs, Columns etc.?

2145

Define mineral fibers?

Tell me what is enclosed seam?

MY QUERY IS REGARDING AS/400. I AM FACING A PROBLEM IN UPDATING A PF COZ IT IS GETTING LOCKED SO I USED CHAIN(N) INSTEAD OF ONLY CHAIN.I ALSO TRIED UPDATE(E) ALONG WITH CHAIN(N),ITS NOT GIVING ANY ERROR BUT AT THE SAME TIME NOT UPDATING THE PF

1976

Why the magneti fields are not passes from southpole to north pole

2128

What are sleeve and cotter joint?

1063

What is meant by value directed retailing?

can any one send me previous ntpc exam papers at garima.12g@gmail.com?

2122

What is method to calculate the noise level at any point of duct if duct dimensions and air flow is known?

2000

What is pitching in the suspension system?

1295

please send previous years question papers of JuniorEngineer (ELectronics)in RRB.

1995

How to cal. The weight of hollow pipe?

1222

What would you like to discuss? Your work-ex or Your Engineering?

1032

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