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?

1346

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

EGA,

1456

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

1348

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

KOC,

1349

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?

1454

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

Emerson,

1654

What is sensitivity in vibration probes..?

Lanco,

1571

what is the difference between magnetic flow meter and mass flowmeter

1455

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

1330

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

1426

What is the cascade control

1373

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

KNPC,

1200

what is KV and XV valve

1745

why would you like to join our company

Aramco,

1316

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

Petronas,

1823

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Un-Answered Questions { Instrumentation }

How to calibrate H2s Dectector

1575

use of split range ? where it is used ? in which control loop it is used ?

1925

tell me the field & lab calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter, temperature transmitter, temperature indicator, flow indicator, level indicator, control valve, thermocouple, pressure indicator (digital & analogue),

2243

pls provide me syllabus and old question paper of instrumentation engineering for GET(JSPL)

2200

Tell me the field calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter.

3145

selection of the zener barrier for the hazardeous area zone 0

2205

Why mmwc unit is used?

1142

need instrumentation job completed 1 year trainee ship in mnc pesticide company. now in search of job

1844

Can u tell me the principle of the tc,rtd,level switch,pressure switch ,transmitter(pr flow level temp.),vibration...plz

2006

What is the difference between ff transmitter and non ff transmitter

2397

What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).

2092

is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?

2169

How can we use feedback signal frm rtd for monitoring and in dcs for controlling ,then which type of rtd is sutaible 2 , 3,4wire and why ?

1577

Whatis the reset ofset and control system in instrumentation

2006

I want to buy a seal kit of a pneumatic power cylinder.But I don't know it's specification.So please help me to know its specification.

1883

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