Instrumentation Interview Questions
Questions Answers Views Company eMail

what is the difference between active & reactive power?

1668

How will you calibrate an Absolute Pr.Transmitter of range 400mmHg absolute ?

CCIE,

1596

What is the principle of a Pressure gauge?

CCIE,

2 4802

What is zero elevation and zero suppression?

CCIE,

1610

How will you calibrate an interface level trol/normal level trol in line and in w/s?

CCIE,

1 2343

What is limitation of the ht.of the displacer of a level trol?

CCIE,

1837

What happens if the Displacer has fallen or has a hole in it?

CCIE,

1 2120

What is the cv of a control valve?

CCIE,

2 5466

What are the type of bonnets in the control valves?

CCIE,

1418

What is the use of valve positioner?

CCIE,

1 4866

When can a bypass not used on a positioner?

CCIE,

1 3363

How will you change the action of a control valve?

CCIE,

1 2576

Explain about the leakage class of the control valves

CCIE,

1594

What are the types of control valves available

CCIE,

1533

What is Vena contracta?

CCIE,

3 6429


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

why any measurement made interms of pressure is more accurate ? to be more precise most of the flow velocity is made interms of pressure and it is accurate. what is the reason behind pressure measurement being accurate ?

1417


What are the uses of orifice plates?

618


what are the selections available in configuring a burnout protection of a controller? thanks

1462


Pressure tx shows 1 mbar but we need 1000 mbar at this process condition .. how can we sort it out .

1197


Good evening all I need a small favour regarding reliance paper i wanna probable sample papers(e&i) of reliance. if any of u have any idea about dis then plz mail me back.i belongs to electronics and instrumentation engg.so i need e&i papers. thanking u....

1651






What is limitation of the ht.of the displacer of a level trol?

1837


How to do gas analysers calibration in AUTO and Manually by using zero and span gas?

1924


How can test or measure the probe and extension cable to identify if the problem at the probe or cable or at the driver it self? (pleast notify the measuring method)

2126


how will you segregate the alarm levels in alarm management system during factory Acceptance Test

1925


how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)

2254


i hav applied for the post of engg. in iocl so please require the past test papers fro instrumentation engg please please help me and send me the papers or tell me the pattern and type of ques asked in examination......

1571


Which is your favourite subject & explain any one topic of it.

8992


TECHNICAL/ARTITUDE

1717


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?

1769


Senior engineer's please help me, what is Loop Checking and Loop test? and write difference also? soon urgent

1609