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 5152

Before erect the instrument what should you do?

L&T,

3 4088

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

1238

 why Fahrenheit unit of moistur analyzer transmitter

Infosys, Samsung,

1764

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

Kesoram,

2 3574

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 ?

1371

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 2509

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

Process Control Technologies,

1296

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

Samsung,

1471

What is the reverse action and direct action

Samsung,

2 4497

How to calibrate DP transmitter by using HART communicator ?

1 4290

How to Calibrate the magnetic flow meter on site ?

MRL,

1 3005

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

Adani, SRF,

1496

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?

1736

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 2646


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Un-Answered Questions { Instrumentation }

how is work pressure switch& level switch?what is the principle of this?

2103


how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?

1468


sir i m preparing for BARC but i am not getting any papers to prepare for this exam so please send me some sample papers to my i.d for the preparation of barc.

1980


How to calibrate smoke Dectector

1103


SOME OF YOUR QUESTIONS ARE NOT MAKING ANY SENSE SO TRY AND PUT IN A LITTLE BIT MORE EFFORT BEFORE YOU POST A QUESTION. WE WILL ONLY HELP THOSE WHO WE CAN SEE ARE TRYING TO HELP THEMSELVES.

1899






our kks tagging is crossing more than 12 character please suggest how to take tags in the DCS

1648


Exothermic reaction./ endothermic reaction

1510


what is interlock system and why we use of this?

1413


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

2292


Q1]IF THE RANGE FOR FLOW IS -35 TO 125 WHAT WILL BE THE SPAN FOR ABSOLUTE AND FOR NORMAL? Q2]HOW TO CALIBRATE CAPILLARY TYPE LT? Q3]HOW MANY ERROR CALCULATIONS ARE THERE USED IN PROCESS INDUSTRIES? Q4]HOW TO CALIBRATE TEMPERATURE TRANSMITTER? Q5] HOW TO CALIBRATE LEVEL TROLL AND HOW TO CONNECT? Q6]PLEASE TELL ME THE BASIC FOR INSTRUMENTATION WHICH IS APPLIED FOR CALIBRATION AND FOR ALL? PLEASE MAIL THE ANSWER TO honest_yes@yahoo.in

1524


How to Calibrate Coriolis Flow transmitter in field

732


For crude application in floating roof tank, how to calibrate a DP Transmitter? How is the floating roof weight considered?

2619


what is stroke check for field instument transmetter's & AOV's

1701


how the arrangement of equipments done in control room

1569


I want measure the volumetric flow of gas in waste heat recovery Boiler?Tell me how and which type of instruments required. Plz mail me:naba02222@gmail.com Sam please post the answer .

1527