Instrumentation Interview Questions
Questions Answers Views Company eMail

1.how can calibration temperature transmitter and flow transmitter? 2.

Gulf Jobs,

1059

Why we using 250ohm resistance during lab calibration and why not using in field in one plz define deeply???

Cisco,

1 2084

How to convert milliampares into flow??

1260

pt range is -45 psi to 45 psi.friends can you give answer with calculation and with linerity scale like 0%,25%,50%,75%& 100%?

WB,

1 1868

Draw a complete P&ID of a flow suction tank indicating all control & protection equipment. Indicate all its inlets and outlets. Explain the controls for this system

1076

Draw a simple circuit for a well head control panel used to protect the well against fire, leak, blockage, ESD, & controls the operation of one downhole & one surface safety valve. Explain the operation and controls

1141

How to calibration coriolis flow meter?

1270

How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.

1061

What is re-latch the manual trigger in solenoid valve

Valvitalia Systems Division,

1277

What is paid how it works

KOC,

1060

Where are oxygen analysers installed in cfbc boilers? What are their usual readings?

1106

I have 0.75mm sq multicore cable (IS type) , can use instead of same type but 1.5 sq mm cable ? Note : The distance is around about 150 meter.

1140

How to calibrate H2s Dectector

KOC,

1175

How to calibrate smoke Dectector

KOC,

1103

what is SIL 1 2 3

KOC,

1521


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Un-Answered Questions { Instrumentation }

the output of the common trasmitter protocol in qatar gas are the following

1533


Dear Sir/Madam,im going to attend Hpcl written exams on feb 17th in instrumentation stream..can anyone send me the HPCL model papers and pattern of HPCL ....i ve not yet attended anything in HPCL...so i dont know how it comes...so just i need some model test papers and pattern ..pls help me friends...

1601


why using negative supply for bentley nevada vibration system ?

1683


What is the main difference between Cavitation and Flashing?

13383


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

905






the 3 most common transmitter protocol being in refinery or qatar gas and aramco.

2462


plz send me general of ongc

1524


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

1467


Specify eight technical requirements that you would consider important, when deciding upon a particular control valve?

1407


what are the use of belew gear in general ??

1534


OBJECTIVE TYPE QUESTIONS OF ANALYTICAL INSTRUMENTATION

10266


what is scale factor of proximitor & unit of the vibration.

1663


i want to know the interview format fot gail, instrumentation. pls answer me in habib.sami1003@gmail.com

2632


How many interlocks at turbine? Plz explain briefly

1505


Somebody can explain me about >Critical Loops, calibrations, ESD critical Loop checks, Logic Diagram / Cause & Effect checks for ESD loops,

1219