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

Instrumentation Interview Questions

Questions Answers Views Company eMail

What is loop checking ?

Kharafi National, Petrofac, Samsung,

10 113954

how is work pressure switch& level switch?what is the principle of this?

Binani,

2739

What is NAMUR standard and why its allways reletad with Sollenoid

2 37538

1,why we use 4-20 ma output of all instrument qhy not use 0- 20, 2,what is the different between PLC & DCS. 3,how can we meaure maximum span of new flowmeter if not given any information.

Reliance,

4 12702

how can we calibate ph meter. how can we calibrat conductivimeter how can we calibrat massflowmeter & it s working.

1 3484

how to install the Ph and Conductivity analyser? is there are any procedures which has to be maintained.

2 5988

What is the difference between local indicator(flow) and flow indicator?

2 8067

What is the DIfferences between SMART transmitters and PROFIBUS DP/PA Transmitters?

4 11278

how we can calibrate an Interface level transmitter online

L&T,

2 9279

i am having information technology branh ....... can i prepare for psu exam

2279

What is an antisurge control system, how it works?

3 17435

What is the main difference between the terms instrumentation and Automation?

5 9826

Hi, I'd like to know the purpose of MOS (maintenance override switch). At site, these switches are installed in a stanchion with the transmitter (connected to ESD). thank you.

Adani, Adani Wilmar,

3 36174

what happen if i increase height of displacer type LT.accuracy or sensitivity are affected.why?

Essar,

2528

what's the criteria of using over range protector when installing Pressure Gauge

1 4959

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Un-Answered Questions { Instrumentation }

what is function of sensor, and how is it work , explain with difination

2434

what is isloted barrier how it works and what are the main purpose.how it make safe area.

2190

What is the difference between uv and ir scanners? and what is the workig principle of both

2428

Hi i m B.E. In elect. & comm. I m workin in bio mass plant from 6 mnths as inst. Engg. but now i m in dept. Of operation as shift engg...which is best operation or inst. 4 me? M confusd..plz help and reply me..

4366

what is diffrance between FF & SMART, explain with difination

3290

Tell about your IFFCO plant visit.

2140

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......

2125

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

9674

what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .

4910

flow transmeter accuracy 0.075% of full scale & find ucertainty is 0.025 % so what is maximum limit band of uncertainty

2366

What are the uses of orifice plates?

1150

what is maxdna ?. explain about the software details.

4431

control panel design guidelines

3459

Can combine control system for Emergency control system (ESD)and Fire & Gas System ( F & G) is possble to built and offer to client? Can such system is as per Norms in India?

2044

Why do we have earthing cable in branch cable and shield in the same cable?

2659

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