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

Instrumentation Interview Questions

Questions Answers Views Company eMail

A RANGE OF TRANSMITTER IS (0-400)B mm abs what is "B"?

HCL,

1 5526

What is the difference between a Extension cable and a copnesating cable.Where can we use compensating cable. Is anywhere compensating cable are used for mv transmission to the indicator.

1 4574

You are looking at the RS-485-side of an RS-232/RS-485 converter and the power supply voltage for the converter is +5V. Under idle conditions (no transmission), and assuming you have enabled the RS-485 output: what would you expect at: (a) Output A measured against output B (b) Output A measured against ground (c) Output B measured against ground

EIT,

1 7222

Profibus DP is a multi-master system. Would it work on RS-485 4W or not, and justify your answer

EIT,

1 9980

What are the maximum packet size of: a) HART b) Profibus DP c)Profibus PA d) DeviceNet e) Foundation Fieldbus

EIT,

5863

Is there’s power on the bus (if so, state whether on the signal bus, or on a separate in the following: a) HART b) Profibus DP c) Profibus PA d) DeviceNet e) Foundation Fieldbus

EIT,

1 4603

what is pyrometer? which purpose it has to be used?

2 6531

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

1 2767

what is basic difference between motion balance and force balance in pneumatic instrument?

Sterlite, TCL,

9669

what is the procedure of O2 sensor(ABB) calibration?

Aramco, Samsung,

2187

what is the procedure of belt scale calibration?

2442

what is the procedure of O2 analyser calibration?

Thermax,

3 17858

how to calibrate load cell

Siemens,

2839

how to calibrate differential pressure switch

2 14996

Control valve question what is the meaning of cauge.?what is the use of cauge?

1 5404

Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V

2445

what is zero and span ?

1664

Explain the use of hair spring in the pressure gauge.

1092

give some question relative instrument fitter?

6263

what is the calibration procedure for transweigh make weigh feeder?

4022

draw the block diagram of a level transmitter ?

2394

what is intrinscily safe system and where we use?

2526

If P will increase then what will happen with PID?

6065

hello friends, can you please send me the model paper or question paper to be prepared for hpcl examinations????????? You can mail me at rahim_here@yahoo.com waiting for your reply........... help me .. plz.....

2604

how to calibrate Necleuonic level transmitter.?

2108

Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?

2241

What are the types of control valves available

2109

I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.

2270

In apron feeder how TPH is calculated?

1731

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......

2056

For More Un-Answered { Instrumentation } Questions Click Here