Instrumentation Interview Questions
Questions Answers Views Company eMail

what is the name of thermocople element cable from field to pannel end?

3 4302

when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

512

when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

2 8878

what is the difference between cold loop and hot loop

2 7959

why we use 24v dc in instrument rahter than 230vac????

4 13121

why we use 0.2 to 1.0 kg/cm2 output in control valve

GNFC,

4 6981

in which application we use bigger size actuator

5 3876

diffrence b/w accuracy and precision?

HPCL,

4 4346

can we connect instrument earth pit to electrical earth pit, if not why?

2 11494

If we interchange HP and LP tapping in drum level measurement and reverse LRV & URV correspondingly.What is the difference between the normal tapping(HP,LP) and reversed tapping(LP,HP)?

2 8961

What is Droop? What is Step/Gradient Limiter in Turbine Governor control?

1204

what is control valve input and out put

Nirma,

9 10141

what is thermocouple output

IPCL,

7 5446

What is principle of ultrasonic level transmitter?

3 6334

what is formula for calculating flow if i have pressure and pipe diameter?

991


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Un-Answered Questions { Instrumentation }

KAlman filter code for two dimension?

474


What does PCU means with respect to Dead Weight Tester?

545


What is Positive Calibration and Negative Calibration?

577


can you provide me full detail about instrumentation in ONGC??

663


model question paper of instrumentation for Jindal GET 2010.plz reply sudhanshukumar08@yahoo.com

858


i want formula for flow control.am doing project in flow control using orifice . i know value of the flow level(Q) . upstream(p1) pressure, orifice diameter(Do) , pipe diameter(Di) and oil viscosity(Vi) how can i calculate downstream pressure

409


 why Fahrenheit unit of moistur analyzer transmitter

654


what is the PC interface and software for connection to ABB logic module “ LM011-CE18RAC “ ( for Programming ) ??

1364


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

199


tell me the field & lab calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter, temperature transmitter, temperature indicator, flow indicator, level indicator, control valve, thermocouple, pressure indicator (digital & analogue),

683


What is Alpha & Beta fctors related to Orifice Plate & its relation with flow?

1694


How find CGPA? when marks are 515/850 & 2559/3350. Plz any one tell me.

410


all questions related to instrument technician in any offshore oil and gas company.

10214


hi,i am doing 3 year in electronic and instrumentation engineering. what type of aptitude questions will be asked in a core industries and how can i improve my skills in instrumentation?

346


How to measure the dust in chimney(spm)?

1329