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Instrumentation Interview Questions
Questions Answers Views Company eMail

what should be the distance of vibration sensor & to the point where vibration to be measured Ex turbine axial displacement

 3 6733

d/p flow transmitter LP side give to pressure.what you geting out put ? how you get(ma)?

ABB,

6 11826

what is the process to make control schematic ?

 1722

WHAT IS A CALLIBRATION? WHAT IS MEEAN BY LOOP CHECKING INCLUDES PRESURE, THERMOCOUPLE,TT,DT?

 5 9151

How to ensure vibration sensor functioning accordingly.With out using an other sensor.

ACC, Oil India,

3 6967

in instrumentation why we are using 4-20mA , why not voltage ? if somebody design a instrument which works on voltage then can we use that instrument?

 6 9807

how flame detectors sense the flame.

 3 6285

what is the working principle of ABB gas analyser of kiln in cement industries

 4 16418

what is pico fuse? how this different rom othe fuses and how to locate it inside the card?

 1 3310

which type of rtd is good for any system,2wire,3wire or 4 wire

 9 13244

what's the minimum level required of SIL (safety integrity level)to use fire and gas system?

L&T,

2 5914

What is the formula To convert Degree centigrade to foranhight.

 5 8861

What is the formula to know the error of weighfeeder after having drop test.

 3 27432

what is the difference between the microcontroller and PLC?

HAL, Havells,

9 34230

Explain Split Range Control In Control Valve Briefly.

 5 28191

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Un-Answered Questions { Instrumentation }

principle of dead weight tester ?

1596

How u measure the massflow in orifice flow measurement techniques

981

how to turbine speed measurement?

1157

Why is the orifice tab provided?

699

How hart protocol can be connected with control valves?

594




detail of mass flow meter pricipal

1816

Any one can help me to identified, how can we interchange the device in FF

2311

HOW TO CALCULATE ACCURACY OF AN INSTRUMENT. WHICH IS COMPITABLE FOR USE.

1799

How to calibrate Field bus transmitter? procedure ?

1822

How you calibrate absolute pressure with the calibration range of 0 to 1000 0C Absolute. Please explain the procedure for calibration.

1259

How vortex sensor used for steam flow measurment can be checked on line i.e without taking out from process line.

1620

What is the use of each wire in three wire RTD

2039

please tel me the calibration of pneumatic controler.

1717

How an rtd work, and what volts/current goes to a rtd to measure the resistance?

723

what is sil (safety integrity level

2189

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