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Engineering Interview Questions
Questions Answers Views Company eMail

send previousyear question paper for ongc gt 2011 chemical engineering written exam

ONGC,

2896

why we need external pull up for port 0 of micro-controller 8051?

 2 5006

why neutral and earth should not be connected on 3 phase 440v/50c/s supply at consumer side. where as on 25kv/ac/50c/s railway traction substation neutral and earth will be connected and track at substation. and track will act as neutral and earth. Reasons for this is needed urgently

 4 7530

what is mean by compressive strength

3 6312

formula for figure of merit

ISRO,

1 7662

ripple factor of half bridge rectifier???

ISRO,

1 4590

how to calculate interface capelary level transmetar lower S.G.0.54 and uper S.G. 0.26 and h=490 mm

 3 5277

what is the current rating of both primary and secondary of 500KVA,33KV./4ooV.distribution transformer.

century,

1 3188

What is effect of harmonic current (Draw by VFD) on power system/ electrical Equipments ?

 1632

What is application/Function of Electro chlorinator in Offshore Oil & gas Platform ?

 1 2819

Who many reason of ignition fail ?

 1461

Why Nutral CT rating for Earth Fault Protection of Transformer neutral shall be 20% of Full load Current of Transformer

 2 3982

what is limitation of auto transformer?

 1732

how do work current transformer?

 1586

working and uses of current transformer?

Infosys,

1566

Un-Answered Questions { Engineering }

Can you any one explain application of buccholz relay operation and pressure relif device operation of power transformer

1429

what is the calibration procedure for magnetic flow meter @ onsite

1194

with the aid of schematic and block diagram describe the control system involved in a student passing a control system engineering examination.use standard terminologies and specify all the system component involved.

1824

Explain about 3 phase motor fault current calculation with examples?

2400

what is dry and wet frequency withstand voltage? why & where it is used??

1765




what happens if dc supply is given and the remedies for it.

1268

whats the coloring code of a air to open or a air to close valve?

1329

What happens to voltage when current through the inductor is constant?

664

Explain the working of an electronic level troll.

586

why dont call datareader is backward

1245

operation of diesel generator

1532

Mention the quality parameters.

5

In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.

3379

What is monolithic ic?

606

What is the difference between isolators and electrical circuit breakers? What is bus-bar?

665

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