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Instrumentation Interview Questions
Questions Answers Views Company eMail

What is loop checking ?

Kharafi National, Petrofac, Samsung,

10 109664

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

Binani,

2123

What is NAMUR standard and why its allways reletad with Sollenoid

 2 36134

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 10918

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

1 2690

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

 2 4893

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

 2 6895

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

 4 9433

how we can calibrate an Interface level transmitter online

L&T,

2 8115

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

 1727

What is an antisurge control system, how it works?

 3 15830

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

 5 7928

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 34478

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

Essar,

2060

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

 1 4088

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Un-Answered Questions { Instrumentation }

i have steam drum height 1000mm. and i want to placed the transmitter below the tap.how i calculate.

1495

why we use 3 wire rtd direct wiring for temperature measurement instead of temperature transmitter like bearing temperature

1361

What is limitation of the ht.of the displacer of a level trol?

1820

Why even multiple power supplu r used in instrumentation system?

4139

Can anybody tell me which type of question are asked in the interview for the FORMULATION(Pharma) as a instrumentation engineer, & question in building managment system.

1573




I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

1562

Name different parts of a pressure gauge.

637

What is the exact differences between HART,FOUNDATION FIELDBUS,PROFIBUS?

2999

PT RTD Range: -200 to 500 degree celsius If I configured in DCS Lower range and Upper range . In face plate it shows red colour due to overa range how was the characteristics look If the temperature is more than operating range. how was the characteristics look . whether its in Resistance vs Temperature curve is Linear or Non linear

1525

which type of zones used for boiler? & why ?

1418

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

2060

What are different types of orifice plates?

623

Draw a wheatstone bridge circuit showing supply, meter and 3 wire RTD connection

1575

Identification of control valve parts.

1525

How to calculate P,I&D value in PID controller ?

1607

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