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 4189

What is Difference between PLC and CNC ?

2 8028

What is the meaning of slope in PH transmeter?

Uttam Sugar,

1 5798

how to connect the HART protocal with control valves

1 8074

why use MMWC unit

Praxair, Saipem,

9 63015

how to measure flow with dp

1 5860

what is Dry Leg calibration and where is it used

Petrofac,

1 7440

hw to calibration a control valve?

3 25883

what is loop1 and loop2 in MTS LT?

SPGC,

4718

what is difference between DO and DI

6 32927

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

Petrofac,

1 3671

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 38638

what is consistency transmitter and describe its working?

Emami,

1 11822

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

DVC,

1 6077

What is procedure on mmwc in to tph

2 13548

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Un-Answered Questions { Instrumentation }

What is the purpose of bypass valve across AS valve.

2155

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

2388

Explain Gas Turbine startup and shutdown sequences

4385

3. Differentiate between ultrasonic flowmeter and radar type flow meter.

2995

Explain working principle of lvdt?

1134

How to calibrate the flow transmitter

1657

How is work 5/2 sov?

1946

what will the sending unit in the fuel gauge utilizes?

1974

Working principle of magnetic flow meter ......and calibration procedure of e+h magnetic flowmeter...

2390

In turbine, what does term CDP, NI, NH, HSSOC, means

2861

any body who gone thru recent iocl interview.INSTRUMENTATION questions. I need.

2546

plz tell me clearly about PID.."when v have to change I value,D value,GAIN??

2242

Specify ideal accuracy of flow element like orifice plate, Ventury, Annubar. Ultrasonic flow meter etc.

1977

How can i copy program (parameter) from mm440 (V.F.D.) by using BOP?

2782

use of split range ? where it is used ? in which control loop it is used ?

2015

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