Instrumentation Interview Questions
Questions Answers Views Company eMail

how to wire from pressure transmitter to marshalling panel and panel to controller and controller to dcs plz give the answer with example .

2 4408

what is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

ADMA OPCO,

1557

what is the usage of QDV & VOLUME BOOSTER.

ADMA OPCO,

2 4068

What is the purpose of LO Overhead tank in turbines.

ADMA OPCO,

1562

Explain level troll principle & interface level measurement.

ADMA OPCO,

1 2759

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

ADMA OPCO,

2029

what is scale factor of proximitor & unit of the vibration.

ADMA OPCO,

1674

Give 2 application of quartz crystal used for process parameter measurement.

ADMA OPCO,

1573

State four different types of flow measurement, for gas flow measurement MMSCFD is the common unit expand the unit and specify significance of word S in the unit.

ADMA OPCO,

1530

Where is the flow transmitter installed with respect to control valve, state reason.

ADMA OPCO,

1 5089

How to measure the vibration..?

Madhucon,

1 4878

What is the working principle of sox, nox analyzer?(opacity monitor) Otherwise how to measure the sox,nox?

Thermax,

1 18743

How to measure the dust in chimney(spm)?

Thermax,

3608

Why we are using PLC instand of DCS in ESD System? can u explain any one?

2 4553

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

Bapco Bahrain Petroleum Company, BMB,

1 3174


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Un-Answered Questions { Instrumentation }

hi friends,im an instrumentation and contol engg student,can u hlp me of suggsting barc written question paper,my id is roysuvaranjan@gmail.com, cel no.9563591747

1564


full process of gas turbin?

1547


Why grounding is necessary? Give example with diagram.

1745


How flow can be measured with dp?

666


we have a s-5 simense plc having op7 .recently on op7 showing error 1.plc not present 2. DB error frequently. can u have any solution . please send me.

2146






Give Detail information about plc,dcs,and scada system?

1260


what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?

1746


Can I route 110 VDC and 24 VDC in a same Duct for our Interposing relay cabinet? IF yes or NO Please provide me IEEE Std. for the same. Please i required it on Urgent basis, i need to design IRP Cabinets and we have MCC 110VDC and Our Coil side is 24VDC, Please help as soon as possible.

1779


kindly sent some demo question and answer

1537


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.

1494


how to do dynolab wind speed sensor loop test, how to simulate value,i have simulate mA 4-20mA but not responding in DCS faceplate, please kindly advice me any one.

557


How does your previous experience relate to the job you are applying for ?

1552


Can anyone send most commonly asked interview question in Oil & Gas industry

1751


What are different type of instrument cable

1793


please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

1679