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Instrumentation Interview Questions
Questions Answers Views Company eMail

whether radar level transmitter is applicable for the open tank

TCL,

1 3201

what is the difference b/w wet leg & dry leg level method

2 5315

what is LAS in foundation fieldbus protocol?

1 4382

WHAT IS AN INTERLOCK SYSTEM ?? HOW THEY WORKs ?? WHERE IT IS USED ??? MAINLY ??

TATA, Tata Steel Limited,

2 5420

What are the processes Variables?

4 3483

Define all the process Variable and state their unit of measurement. ?

2098

Explain, and give a real-world example of MODULATING control

1 4051

Explain an adaptive / self-tuning controller’s major draw card.

1416

Why would an Engineer consider combining FEEDBACK and FEEDFORWARD control in some applications?

Jindal,

4 5189

For what reason would you possibly be compelled to make use of a Smith Predictor. Explain the idea behind the operation of this device.

1057

Describe the concept of Gain Scheduling, as currently found as an option in some controllers.

1 2526

In most instances, Inertia processes are quite uncommon. Give an example of a combined Resistance and Capacitance situation.Describe an application, which according to your understanding of the subject matter, comprises of both Resistance and Capacitance effects.

1079

How can i copy program (parameter) from mm440 (V.F.D.) by using BOP?

1729

whatis range of marcury filled tempereture gague

Dr Reddys,

1057

What is require for PLC Programming?

6 12136


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Un-Answered Questions { Instrumentation }

if in a level tx height is given, how u calculate the ranges of the tx?

5168


what is metal of piston ring

1025


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

1273


what is the reason while warning lamp is on while the engine is cranking?

1147


What is loop1 and loop2 in MTS LT?

2662






in valve is constructed as per SME B 16.34, then which standard is used for fire testing of valve?.

1116


Can any one send me IOCL instrumentation question papers.. i dont know the pattern of the questions and what to prepare can any one help me on this .. my email id is anwarnishil@gmail.com

1206


What is the start up procedure of desalter

2391


In turbine what does term CDP, NH, HSSOC means.

828


what is moisture probe? What are there types? What is there working principle and how they works? guys this is one of technical question I had ask in interview. If you know its answer please let me know. The interviewers were more interested in microwave moisture probe, so if you find its any link please just forward me on my mail id.avinash1200@gmail.com Thanks in advance.

1002


what will the sending unit in the fuel gauge utilizes?

980


i want to know the interview format fot gail, instrumentation. pls answer me in habib.sami1003@gmail.com

2245


What are the different types of thermistors used in industries? How to the operation of typical thermistor?

839


what is the difference between active & reactive power?

1242


is motorized valve closed when power shutoff?

576