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Instrumentation Interview Questions
Questions Answers Views Company eMail

If we increase D what will be the controller action?

2 3356

Can anybody explain what is the different between ESD & PLC

ADCO,

1 1552

what are the possible reasons if a control valve fails to open/close?

DEWA,

1 5615

Can anybody explain about wellhead control system.

1 1416

What is the different between ESD & PLC.

1 4266

why temperature transmitter is showing ambienttemp.but 21.5ma. alarm AO showing at the display &how to sloves this problem.

2 4000

what does mean by analog output trim and where this one used for?

1 6753

Which boiler is use in power plant

Jindal,

1 3936

what sud u do if u dont get feedback from control valve?

Siemens,

1 5868

what is difference between positioner and position transmitter in control valve

2 11389

suppose, after calibrating a transmitter we fixed it in a process line. At live zero condition the Tx shows 4.5 mA. what should we do to make the Tx show 4 mA? If we adjust zero, will it not affect the calibration?

ABG Shipyard,

4 4875

Sitrans LR460 Radar level transmitter getting level out or disturbed level during moisture present in the material ie coal in the pccb bunker in CHP.Any suggestions for this problem...????

ABG Shipyard,

1 2818

Explain , how timer based pneumatic control valve will work ?

1 2286

what are the documentation and instrument identification system used to identify the correct device to be calibrated? name atleast three.

1 5342

please someone tell me what is function of vibration sencer and how many types and how to control viberation.please. my id is jimmykhan077@gmail.com

947


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Un-Answered Questions { Instrumentation }

HOW CREATED LP & HP PRESURES IN DRUM FOR DRUM LEVEL MEASUREMENT!

991


what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?

1506


How process line mpm calculation is done?

276


what effects a surging can produce in the compressor

1030


In bently nevada vibration monitoring system,what is the reason to maintain the Resistance of the probe + extension cable equal to 95 ohm? If possible explain the basic principle of measurement with detail electronic circuits.

2023






Which types of quections asked in interview for FORMULATION PLANT (PHARMA)

5799


Explain bernoulli’s theorem.

175


what is droop in governer ,type of droop ,how it work

1239


What is difference between radial vibration and axial vibration explain in detail .

600


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

1198


I wnat to practice more online type questions .so will you show them me to take a practice test?

487


Differentiate between ultrasonic flowmeter and radar type flow meter

198


selection of the zener barrier for the hazardeous area zone 0

1252


can any send me a forbes marshall dtron 316 manual

975


1. For Steam drum level signal, why do we compensate with drum pressure signal? 2.For main steam Flow signal is comensated with main steam temperature signal and main steam pressure signal why?

1278