Instrumentation Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Instrumentation Interview Questions

Questions Answers Views Company eMail

Guy's need your support,I want to measure closed tank level which is under vacuum -630mmHg using DP Transmitter, tank fluid density 1.38, Tank height is 7ft

icl,

4 6660

Before erect the instrument what should you do?

L&T,

3 5596

Explain about safety integrated level protection? . How it was differ from other protections ?

1746

why Fahrenheit unit of moistur analyzer transmitter

Infosys, Samsung,

2239

how many types of orifice plates?and explain about it?

Kesoram,

2 4922

I faced several time siemens ps2 positioner automatically getting Chang in it's set point direction after auto calibration So is there any causes biside this or any permissives ?

1853

What different types of problems do occur while doing the loop checking? and please explain in detail or mail me at kadam.aniket143@gmail.com

Operational Energy Group, Process Control Technologies,

1 3203

what different types of problems do occur while doing instrumentation commisioning and how to solve them? please explain in detail

Process Control Technologies,

1754

Anybody can tell me how to convert mmHg2o /psi to scfm please give me formula of conversion

Samsung,

1906

What is the reverse action and direct action

Samsung,

2 5749

How to calibrate DP transmitter by using HART communicator ?

1 5082

How to Calibrate the magnetic flow meter on site ?

MRL,

1 3850

Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz

Adani, SRF,

2055

I am using 971 Enraf radar level transmitter for LPG tanks ,the tank side indicator gives the error code 999999999FL can any body give me any diagnostic for this issue?

2208

How can I map a tank? Tank 15m h and 42m dia. we just fixed radar type lit. its reading shows over range. Now its required mapping ?

CMC,

1 3326

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Un-Answered Questions { Instrumentation }

full process of gas turbin?

2105

Specific gravity.

1879

hey any one got the papers of SAIL and HPCL plz do help me by posting them to my mail ID's naren07_87@yaho.co.in, surenarendra@gmail.com

1930

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

2270

where i can get training in INTOOLS and PDMS in Delhi-NCR OR north part of India. please reply with ur ans. at arunsamkaria@ymail.com

3543

pls give me presant awerness quistion and answer in my emailid.

2866

䑰ҕ䔈ҕ䖠ҕ䘰ҕ䛀ҕ䝐ҕ䟐ҕ䢐ҕ䥐ҕŹ

1970

WHAT IS THE DIFF. BETWEEN SKIN TEMPERATURE AND PASSES TEMPERATURE..?

2533

Draw symbols of the following :

1985

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

1692

How to Calibrate Vibration Probe (Axial, Redial) in field

1142

In control valve proximity inductive sensor is taken as digital feedback for full open and full close.Normally its volts 24v when the sensor acts the feed back voltage 14v so that our relay not indicating in plc panel . kindly give the solution.

1969

what is effect of specific gravity in differential level transmitter , explain formula related with this .

1652

How you calibrate absolute pressure with the calibration range of 0 to 1000 0C Absolute. Please explain the procedure for calibration.

1709

What is rang ability?

2342

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