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

Instrumentation Interview Questions

Questions Answers Views Company eMail

What is instrumentation control?

1099

Explain types of valves?

1009

Why plc require in analog input 4-20amp & 0-10 volt?

1073

What is the difference between mmwc and mmwg?

1315

Explain the difference between mmwc and mmwg?

5568

Explain why use mmwc unit?

991

What are the types of valves?

1057

Where is wet leg is used?

1007

Explain the difference between differial pressure & delta pressure?

1 1535

Define cryogenic?

1082

Explain why plc require in analog input 4-20amp & 0-10 volt?

1024

Explain the difference between plc and cnc?

1006

Explain the key components of control loop?

996

WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?

948

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.

990

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Un-Answered Questions { Instrumentation }

Draw bode plot of any transfer function. Why is plotting bode necessary?

2429

There are many type of control cable like pair,core,tried, What are defination each one

2091

what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?

2058

Please can anybody help for control valve sizing step by step procedure?

2059

What do you know about gail?

2424

How to work togather like sov,limit switch,proxy switch and booster in xv

4161

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

2130

the output of the common trasmitter protocol in qatar gas are the following

1951

hello can yoy pls send me previous papers of jindalpower and steel ltd.....'m from instrumentation..... mani1048@gmail.com

1945

How flow can be measured with dp?

1081

what is your eligibility criteria for freashers?

2076

In my company plc based winders are operated. one day there was a data transmission failure alarm shown on pc. as per sir instruction we have reset master plc but winders were not triped and alarm gone. so what master plc do?

1799

Can please tell mi about SIOS, PRM, SERVER, and what is the diference between PIN LAN, PCS LAN,APC Server, and please send the Doc if possible for referance,mail id patil_amit17@yahoo.com

1902

what is o2 analyzer and how it measured ,what is the role of this analyzer in cfbc boiler...

1960

Calibration of controller (pneumatic)

1907

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