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

Instrumentation Interview Questions

Questions Answers Views Company eMail

Hi Frnds , If Suppose 1 Pair cable of 1.5 sq mm is used for Transmitter and instead of 1.5 sq mm if i used 0.5 sq mm cable will the resistance change will occur and does it affect our transmitter reading. plz mail ur answer to ntnkamble@gmail.com plz immediately mail ur reply

1 4105

What is Difference between PLC and CNC ?

2 7881

What is the meaning of slope in PH transmeter?

Uttam Sugar,

1 5730

how to connect the HART protocal with control valves

1 7966

why use MMWC unit

Praxair, Saipem,

9 62607

how to measure flow with dp

1 5763

what is Dry Leg calibration and where is it used

Petrofac,

1 7349

hw to calibration a control valve?

3 25777

what is loop1 and loop2 in MTS LT?

SPGC,

4653

what is difference between DO and DI

6 32620

How can I make calculation for Install level transmitter (DP) for open tank and cloes tank?

Petrofac,

1 3574

how to calculate MMWC values in to Tonns(MMWC values showing in DP transmitter and Tonns value showing in Totalizer). please tell me details?

Chemin C I, MSP,

2 38522

what is consistency transmitter and describe its working?

Emami,

1 11734

How a rtd work, and what volts/current goes to a RTD to measure the resistence?

DVC,

1 6002

What is procedure on mmwc in to tph

2 13405

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Un-Answered Questions { Instrumentation }

How to calibrate displacer type level transmitter (chemtrol make )for level measurement in hotwell , LP & HP heater ?

5909

what is different between 2,3&4 wire rtd and how much maximum distance using plc to field.

2776

What is the use of GMV in turbine?

4428

Explain plc level and its type?

1345

wich is coming the first HAZOP OR SIL

2754

what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?

2531

Why plc require in analog input 4-20amp & 0-10 volt?

1136

Square root calculation for dp flow transmitter?

1241

How to work togather like sov,limit switch,proxy switch and booster in xv

4221

In VVVF DRIVES VOLTAGE IS ALSO VARY WITH THE FREQUENCY. HOW? WHAT IS THE DIRECT FORMULA RELATING THESE TWO.

2359

What is the purpose of LO Overhead tank in turbines.

2004

which type of filter gives the constant phase characteristics?

1924

pls provide me syllabus and old question paper of instrumentation engineering for GET(JSPL)

2262

I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

1987

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

2663

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