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Instrumentation Interview Questions
Questions Answers Views Company eMail

how many types of preheaters are in cement industry & what r they can any body explain?

836

How to convert m3/hr in tonnes/hr

2 4620

what is differance  between SOE an alarams

BMM,

1 3259

how to convert % to ma

Flour Tech Engineers (P) Ltd, Techint,

1 3216

Lube oil pressure transmitter local it's showing 9.8 kg/cm2 but dcs side it's showing 9.26 like that what is the reason?

Edac,

3 3464

Can I calibrate the Electromagnetic Flow Meter on line and How.

SEWA,

946

How to calibrate and check thermal mass flow meter of Make thermal instrument company inc model 60?

Wood Group,

1 1799

what do you mean by smart instruments ? define ? give an example?

Flour Tech Engineers (P) Ltd,

2 2318

why we are using orfice plate? then difference between orfice 7 nozzle plate?

Flour Tech Engineers (P) Ltd,

1 2936

What is the differences of Level swich( LS ) and Level Transmitter(LT)

Hi Spectra, Sipra,

2 4102

How much voltage we are using at switches?

Edac,

4 3259

How many interlocks at turbine side?

Edac, SRF,

971

Why we are using thrust bearing at turbine side?

Edac,

3 2543

what is the daily job of an instrument commissioning supervisor

Petrofac,

1 2223

what is the responsibility of an instrument commissioning supervisor

Petrofac,

2145


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Un-Answered Questions { Instrumentation }

If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

1118


Can anyone send most commonly asked interview question in Oil & Gas industry

1303


What is compensation for flow ? Why we use compensation ? What are the factors of different compensation ? We not use then what problems may happen ?

1017


what is the calibration procedure for transweigh make weigh feeder?

2220


what is the minimum power (P=VI)to produce a spark?

1099






Difference between 2-Valve Manifolds, 3-Valve Manifolds and 5-Valve Manifolds 3 with diagram

2142


What is hp & mp seperator .& what is its working principle ?

1327


What is the right procedure for adjusting the gap voltage of bently nevada vibration sensor?

13029


Why do we have earthing cable in branch cable and shield in the same cable?

1697


where proximity sensor installed on tank in loading arm application

1146


How to check vortex flow meter is in good condition while we do not having calibration setup?

6024


components of control circuit belongs to control valve

781


I wnat to practice more online type questions .so will you show them me to take a practice test?

472


How an rtd work, and what volts/current goes to a rtd to measure the resistance?

167


What is sensitivity in vibration probes..?

527