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

Instrumentation Interview Questions

Questions Answers Views Company eMail

why 4-20 mA in covection system?

3 7688

What does a hookup diagram look like? can you give sample drawing. thanks.

1 8213

what is the use of glycol filling in seal pot (or) condensate pot in instrument impluse line?

7 42734

how do i tune dearator pr control valve using PID. we set the set point is 0.6kg/cm2 now i want 0.5 to 0.7kg/cm2 limits so what should i give p,i,d values. then pls explain how do set pid values for control valve tuning?

SEWA, Sharjah Electricity and Water Authority SEWA,

1902

how do i calibrate mmwc pressure guage with out calibrator.if any? pls give me the ans.

1 6145

Are Coils of Electromagnetic flowmeter in direct contact with fluid material

TATA,

4 8381

Please any one can explain how to calibrate transmitter (smart) online with out remove from the container suppose it is interface level or static pressure level measurement we dont want to remove transmitter from the container mean it is running plant please give me detail. thankx brothers

KNPC,

1 6467

how can we tune a PID. If it is by zeiger nichols method..please explain briefly with help of an example.

KNPC,

2487

In your own words, would you expect an ultrasonic level device to work better in a pressure vessel with a high pressure or a strong vacuum, and why?

1 5170

radial & axial vibration sensor output voltage is ac or dc volt?

Vedanta, Voltech,

8 16593

Why we are using reverse action in displacer types level transmitters on some Vessels?

2551

what is difference between accelerometer vibration sensor and proximity vibration sensor

3 25170

what is "smart" in smart transmitter ?

4 9638

What is the advantage of using locally fabricated hook ups over Pre fabricated hook ups in process instrumentation?

Engineers India Limited,

2049

what is thermo coupler and how it works

Tisco,

2 6096

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Un-Answered Questions { Instrumentation }

Reason for capillary type dp level transmitter fluctuation

1989

Do you have reference list?

1844

why we take %i0.0 as input for twido plc

2182

what is the procedure of O2 sensor(ABB) calibration?

2192

Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com

2314

How to calibrate smoke Dectector

1638

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

2085

what is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

1982

Which are all the commonly used Bordon tubes in the pressure gauges. Do any one use ASTM A 312 tubes for this purpose?

1782

What is the PLC configuration in Cement industry?

3811

please send data bank of quetions answers on analytical instrumentation.

1870

What are the charcterstics of a P&ID controller block for Governor speed raise or lower for a load sharing functionality between 4 Gas turbines in droop mode.

3027

What types of Instrumentation Related Questions can an Interviewer ask in a Telephonic Interview ?

2514

What is the principle of capacitance type level transmitter?

1087

How many ohms are required for proper earthing?

1105

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