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Instrumentation Interview Questions
Questions Answers Views Company eMail

which are types of orifice tap ?

 2 4744

how to measure draft pressure in transmitter pl. give its single line digram

 1514

how to connect transmitter measuring sulfur process? 1-by using long impulse line or 2- by using coated short impulse line

 1572

I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?

SRAAC,

1626

Shall we get the reading on level transmitter only by termination,without commissioning?

 1 3262

If the Barrier Fails during online then What will be the control valve position in field or Positioner action in the field.

 3 4801

Why Flow measurement has to use Square Root

Hindalco, Petronas,

5 16430

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

 1573

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 10255

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 3500

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 8839

what is the main supply source for pressure transmitter?

1 4699

Please explain the difference between instrument range and calibration range in terms of pressure transmitter? line design pressure: 93 bar operating pressure : 82 bar press Transmitter Range? calibration range ?

L&T,

3 33792

different between calibration range and instrument range ?

 2 7561

why? Boiler furnesh pressure transmitter mount in boiler top and it's impulse line is in bottom of the boiler. Aneybody kindly tell me this reason.

Birla,

1 4268

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Un-Answered Questions { Instrumentation }

What is the differerence between hysterisis and linearity.

1811

how to relay switch sense the fault?

2080

What is the difference between ff transmitter and non ff transmitter

1967

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

915

Hi i am aneesh, done btech in applied electronics & instrumentatiin. And then i took mba in finance & marketing.After that i got placement in finance co and worked there for 3.5 yrs.Now i wanted to come back to engineering job.But without engg experience, i may not able to find an opening.i have done a course related to flow meters and ite calibrations. Kindly suggest where should i try to get a job?

1528




Can Any body tell me how to check Modbus Settings in ER300N L&T trivector meter?

2030

CONTROL VALVE OPERATING IN MANUAL BUT NOT IN MANUAL. WHAT SHOULD BE THE PROBLEM ?

1450

Why we are using DPT(Differential Pressure Transmitter) in separator instead of level trasmitter?

1760

what happen if i increase height of displacer type LT.accuracy or sensitivity are affected.why?

2060

Reason for capillary type dp level transmitter fluctuation

1506

Explain the burnout feature.

589

please someone tell me what is function of vibration sencer and how many types and how to control viberation.please. my id is jimmykhan077@gmail.com

1354

Please can anybody help for control valve sizing step by step procedure?

1625

kindly sent some demo question and answer

1537

i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.

1495

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