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Instrumentation Interview Questions
Questions Answers Views Company eMail

How to calibrate the control valve.

 1 4523

Please asked me How calculate DCS controller memory.

Yokogawa,

2330

What is open loop and close loop?

L&T, Pearl Distillery,

4 9840

In Safe Guarding test what means by "Failed to Danger" ?

Optimal,

1646

How to calibrate level switch?

Power Plant, Sabic,

2 11851

we are using centum vp as monitoring with Dell precision work station T3600 but some times PC(s) are restarted automatically . how we can solve this problem? thanks

Oil India,

1749

how many type conductivity sensor ?

Process Automation,

1620

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?

Qatar Petroleums,

1528

How many mode are in ups?

 2 4409

Where we cant instal mass flow meter.

 1 4494

What are the difference between mass flow meter, magnetic flow meter and vortex flow meter.

 1 8525

What is the three element? And how it work?

 1 5438

Why we use 3-15 psi air for control valve input?

 2 22325

what is rtd

Petrofac,

4 8146

Why we use 250 ohm resister in series hart communicator?

Thermax,

3 14243

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Un-Answered Questions { Instrumentation }

how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?

1483

How does your previous experience relate to the job you are applying for ?

1552

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

1576

Somebody can explain me about >Critical Loops, calibrations, ESD critical Loop checks, Logic Diagram / Cause & Effect checks for ESD loops,

1230

how u choose thermowell lenght n pnumatic C/v size?

1661




What is mean by analytical instrumentation?

1265

i am from instrument branch i want paper patern of mahagenco . any pevious years paper regarding my branch send me please . please.....

1587

is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?

1786

what is a good line as ic engineer as maintenance ,oc, project, calibration ,validation engineer?

1475

HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?

2958

What is exact difference between the panel earthing and system earthing in DCS system. What is the value of resistence.

2146

define feed forward control loop with example and drawing?

2734

how 3 out of 2 Logic/interlocks works? give brief explanation with help of diagram.

1835

Please tell me details about Sox,Nox,SWAS analyser????

3273

send me model hpcl questions pleas..........my mail id mohideen.dharvesh@gmail.com

1734

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