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Instrumentation Interview Questions
Questions Answers Views Company eMail

how to relay switch sense the fault?

ME,

2667

HOW TO SOLVE PROBLEM WITH ENRAF LEVEL TRANSMITTER 854 ATG THAT PASSWARD DO NOT Exist INTO TRANSMITTER TO ADJUST LEVEL WITH PORTABLE PET 847, WRITTEN WRONG PASSWORD , I AM SURE THAT DEFAULT PASSWARD (W2=ENRAF2) IS THIS TRANSMITTER NEED TO REPLACE SOFTWARE AND HOW?

Lerco,

3581

in which principle pressure tx,level tx ,flow tx,temp tx ,control valve works?

IOCL, JSW,

3246

What is pre-commissioning and commissioning ?

Armco,

1 7271

what is actual drum level and compensated drum level?

APGenco,

2291

Why do you want to work here

Eskom,

2383

How to calibrate displacer type level transmitter (chemtrol make )for level measurement in hotwell , LP & HP heater ?

Matrix,

5969

how to draw a flowchart for swapping two numbers using bit wise operators?

1 9609

Why we are using 4-20 mA as Analog signal transmission other than 3 to 19 or 2 to 18 or 6 to 22 like wise ? What is the reason behind using 4 & 20 mA? Can anyone give proper technical reply ?

Air Liquide,

5 12576

where the use of direct action control valve?

2 6048

how to measured k type thermocouple temp.

NTPC,

3 8333

give some question relative instrument fitter?

Armco,

6315

in sulfur process what is material of impulse line we use to connect with transmitter ? and does teflon affected by sulfur?

2316

can you send remote seal interface level transmitter calculation steps for oil water saperator.

Sasol Firm, Thermax,

2676

An atmospheric storage tank has a diameter of 20 m and a height of 8m.It is half-full of liquid with the remainder of the space containing air normally at atmospheric pressure. If the connection to atmosphere is accidentally closed off and 10 cubic m of liquid removed, what happens to the internal pressure of the tank? What are the possible consequences for the tank?

1 4794


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

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

6683


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.

3077


Isometric drawings are generated during _________________ phase of a project

2131


I want to know about DDCMIS in detail ? please explain it. Also give name of reference books in which it is explained in detail in very simple manner.

3913


i am preparing for BARC ,so plz mail me how to prepare for BARC. ALSO IF POSIBLE SOME RELATED QUESTIONS. MY MAIL ID IS khushi_4uall2003@yahoo.co.in

3071


how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

1099


What is the constant voltage unit?

1136


key phaser where is use and work

2026


why I need valve guard and whats different between guard and positioner ??

1431


hi friends,im an instrumentation and contol engg student,can u hlp me of suggsting barc written question paper,my id is roysuvaranjan@gmail.com, cel no.9563591747

2054


how many type of plug are used in pneumatic control valve,name them.

5572


Define the difference between a stable versus an unstable controlled system and some of the tools you might use to be able to detect when this is happening and assumptions used for control system application design that could contribute to instability

1888


Why mmwc unit is used?

1255


What is profibus?

1193


How to Calibrate Ultrasonic Level Transmitter in field

1421