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Instrumentation Interview Questions
Questions Answers Views Company eMail

Why Ma signal is using for control system?

Petrofac,

1 6264

what is cascade loop and how it work and why it used instead of PID single loop? In cascade, Which loop is faster and slower? Please explain with loop drawing and example...

Honeywell,

2 15330

how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)

Honeywell,

2686

define feed forward control loop with example and drawing?

Honeywell,

3215

Hi i m B.E. In elect. & comm. I m workin in bio mass plant from 6 mnths as inst. Engg. but now i m in dept. Of operation as shift engg...which is best operation or inst. 4 me? M confusd..plz help and reply me..

2 4260

Why we use negetive (-)voltage in vibration system

4 12105

What are securities of turbine?

1 4853

What is Hysteresis mean in Instrument?

11 58180

What is linearity of RTD over 0 to 200 degC?

Honeywell,

1 6809

How to Calibrate Transducers? Can you give me a step by ste procedure?

1 5204

how can you set a zero and span of transmitter?

Rockwell,

1 5622

what do you mean by smart instruments?explain with example

4 12696

IS THEIR ANY AGEING EFFECT ON FLOW NOZZLE, ORIFICE, MANIFOLD, OR TRANSMITTER ?

1 3922

what is the difference between single and double compression cable gland

Petrofac,

3 20452

WHAT PRINCIPLE OF GAS ANALYSER( CO,CO2,N2)

Jubilant Organosys,

2 16489


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

what is span value and zero ? and how set ?

1581


How to Calibrate Ultrasonic Level Transmitter in field

1364


What is the minimum rating availalbe for weld neck orifice in market?

1984


Why upper weighing limit of electronics balance is 90% of the total weighing capacity?

2198


How to decrease opening & closing time of on/off valve?

1516


If a warning lamp will operate with the ground circuit is bypassed with a jumper wire to ground, what should you check?

2097


What is the difference between PLC and DDC?

2194


What are the error values can accepted in flow transmitter calibration?could u give any formula for this?

1918


please any body have most important data for study for saudi aramco test of instrument QC thanks email shahnaveedullah@gmail.com

1684


diff between neutral ,ground,phase , earthing and shielding?

2299


What is rang ability?

2347


can anyone guide me how to get any of the previous year GAIL question papers? are they available? 0n 2nd august i have to take the written test.

1922


what is a good line as ic engineer as maintenance ,oc, project, calibration ,validation engineer?

1991


what is instrument philosophy

2271


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

2597