Instrumentation Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Instrumentation Interview Questions

Questions Answers Views Company eMail

What is rang ability?

2342

what is the calibration procedure for transweigh make weigh feeder?

Anjani Cements,

4021

Which is the best field foundation bus. ( FF ) Yokogawa, Honeywell or others ?

GNFC,

1790

-200mmwc to 500mmwc range transmitter have there 4mA is -200 and 20mA is 500.what is the range in 12mA?

NCC,

5 5754

What do you need to consider when installing a flowmeter

2 3931

When doing a liquid seal on a differential flow transmitter , most of the time the sealing liquid will be heavier then the process fluid. For wich application will the sealing liquid be lighter than the process fluid if transmitter is mounted below the process line.

Chevron,

1820

Where do we consider the pressure in mbar & where do we consider the pressure in bar & why is it so ?

BOC, Jindal Steel and Power,

2 3571

What is transmitter

GNFC, QNFS,

2 4397

components of control circuit belongs to control valve

KOC,

1658

why we are using (-24VDC) and where we r using plz tell me

7 7414

What is the difference between instrument earthing and normal earthing? and why is it necessary to do so?

Atul,

3 31946

How to calculate P,I&D value in PID controller ?

Jindal Steel and Power, SAL Steel Power,

2139

What is full form of hart communicator?

KOC, UPL,

2 7154

What is the Working principle of Dozing valve?

Shree Cement,

2209

Can anyone explain about ELectropneumatics principle?

Forbes Marshall, Step,

1 3308

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Un-Answered Questions { Instrumentation }

how to calibrate 0- 150 psi presure gauge by dead weght tester

2017

IN CONTROL VALVE SPECIFICATIONS GENERALLY TERM " DE- 200" ."DM -400"USED,, WHAT IS DE/ DM STANDS FOR?

2227

how to calculate signal cable sizing? and multipair cable sizing??explain in brief?

2352

Describe the typical instrumentation used in monitoring the performance of a shell and tube heat exchanger.

2077

what is temperature compensation?

5443

sir, give me placement papers and interview quistion of birla group company of copper.

2854

How to Calibrate Temperature Switch in field

1313

What is the calibration procedure of Drum level transmitter if range is 0 to -400 mmh2o in lab?

2107

What are advantages and disadvantage of the ac supply load cell?

1056

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

1898

please send the drdo exam paper

2389

In dcs panel we are using diff type of modules ?what is module ? what is the use of modules ?diff type of module?

1980

WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?

993

What is motion balance principle?

1180

Explain an adaptive / self-tuning controller’s major draw card.

2325

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