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Instrumentation Interview Questions
Questions Answers Views Company eMail

why 4-20 mA in covection system?

 3 6135

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

 1 7545

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

 7 39633

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,

1474

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

 1 5289

Are Coils of Electromagnetic flowmeter in direct contact with fluid material

TATA,

4 6762

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 5527

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

KNPC,

2004

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 4349

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

Vedanta, Voltech,

8 13919

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

 2025

what is difference between accelerometer vibration sensor and proximity vibration sensor

 3 23702

what is "smart" in smart transmitter ?

 4 7953

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

Engineers India Limited,

1585

what is thermo coupler and how it works

Tisco,

2 4967

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Un-Answered Questions { Instrumentation }

CONTROL VALVE OPERATING IN MANUAL BUT NOT IN MANUAL. WHAT SHOULD BE THE PROBLEM ?

1450

Please any one can provide latest aptitude test,technical test and interview questions for tata consulting engineering (TCE) i need it asap thanks in advance

1549

How to calibration coriolis flow meter?

1285

what is interface level measurement.who can calibrate interface level measurement transmitter online

1976

What is Erosion in a control valve?

1556




How to Calibrate Ultrasonic Level Transmitter in field

799

Describe the function of Accumulator into the Pump

1477

In dcs panel we are using diff type of modules ?what is module ? what is the use of modules ?diff type of module?

1479

What is the cascade control

985

What is the difference between uv and ir scanners? and what is the workig principle of both

1935

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.

1359

How ejector(or)evactor air pump is working in thermal power plant?

6044

How do bending tubing provide better measurement than using tubing fittings such as elbows?

1476

please tell me what is a light up procedure of Cfbc boiler and what it's axuillaries of cfbc boiler?

8199

How INtools is useful for routine Instrument maintenance?

1562

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