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 5618

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 4673

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 7332

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

EIT,

1 10093

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

EIT,

5922

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 4676

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

2 6654

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

1 2837

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

Sterlite, TCL,

9760

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

Aramco, Samsung,

2244

what is the procedure of belt scale calibration?

2492

what is the procedure of O2 analyser calibration?

Thermax,

3 18049

how to calibrate load cell

Siemens,

2894

how to calibrate differential pressure switch

2 15111

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

1 5493

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Un-Answered Questions { Instrumentation }

can any one explain in which term we are flow flow is it volumetric r is it mass? and y

1993

WHAT ARE THE INSTRUMENTAL DIAGRAMSOF VALVES?

2192

what is orfics working in main steam line. is it increase pressure, velocity of steam flow and dicrease steam flow rate. or any other

2237

A length of steel pipe is used to carry sea water to a desalination plant. An adequate corrosion allowance must be specified and indicated in the piping specification, which affects the _________________________ of the pipe

2296

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

2408

If i have 4 Allen Bradely make RS logix 5000 PLC and for viewing that we are using 4 RS view SCADA for 4 different packages. Now, I will want to view two packages on only one SCADA. Then how i will do it?

2440

Q-Explain the different load conditions that will produced different offset which may or may not be acceptable to thhe control function

2238

Conversions

2189

give me the formula for analog to digital converter and also d to a converter

2889

Explain bernoulli’s theorem. State its application.

1231

How to control flow variations in magnetic flow maters..... When i will provide proper earthing?

2373

What is the difference bitween control net scaner and device net scaner

3640

how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

1099

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?

2169

how do calibrate the valves.. with clear manual

2149

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