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

Instrumentation Interview Questions

Questions Answers Views Company eMail

What denotes the 5/8mm in the 3300XL 5/8mm proximitor probe?

1401

Ega interview going on for power plant. Which type of question will asked. For questions

EGA,

1520

it is possible to check the fail safe condition in pressure transmitter. if possible how?

1409

Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?

KOC,

1404

Why 4-20 amps is being used in instruments? Why cant we use any other range instead of 4-20 amps? Why only 4 amps is taken as lower limit and why 20 amps is taken as the higher limit?

1525

What is difference between radial vibration and axial vibration explain in detail .

Emerson,

1720

What is sensitivity in vibration probes..?

Lanco,

1646

what is the difference between magnetic flow meter and mass flowmeter

1527

why I need valve guard and whats different between guard and positioner ??

1395

I need to know steps to Calibration Valve Guard......

1491

What is the cascade control

1419

how to rectify the poor signal strength in utrasonic digtial flow meter ,model:ge digital xce868i

KNPC,

1266

what is KV and XV valve

1796

why would you like to join our company

Aramco,

1372

while i check zero check for dp flow transmitter some fluctuating came (0 to 458 kg/h) what is the reason?

Petronas,

1899

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Un-Answered Questions { Instrumentation }

How to calibrate RC Feeder system in thermal power station?,If any instrument available to calibrate it,ple inform me. make:stock,

3185

Which type of diaphragm use in costic line, dm water line, natural gas line, oil line?

1166

TECHNICAL/ARTITUDE

2257

send me HPCL paper

10301

What is the working principle of the magnetic meter?

1136

can you send remote seal interface level transmitter calculation steps for oil water saperator.

2623

What is 3 selection available when configure the burnout protection for controller

2705

why micro controller 8051/52's clock frequency is internally divide by 12 ?? and why it is further divide by 32 in UART serial communication ??

7558

how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?

1889

i have done DAE in Instrumentation and Process Control. i have applied for an apprentice training in chemical company after three day my interview will be conduct but i need more information about industrial process control and controller. my e mail is imran_dilsetu@yahoo.com please tell me interview question relative to instrumentation ?

2327

What do you know about gail?

2472

how can we tune a PID. If it is by zeiger nichols method..please explain briefly with help of an example.

2478

why we us isolation barrier in hazardous area how it works to protect the area and please clarify its current flow.

1953

what is the procedure of belt scale calibration?

2442

ORP sensor working principle?

2012

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