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

Instrumentation Interview Questions

Questions Answers Views Company eMail

How to work DCS? how to get the signal from Field Instruemtns to PIB to Console?

Alstom, Invensys,

2 11913

What is Positive Calibration and Negative Calibration?

SA Kent,

2309

what is RTV function in in process control?

Colgate,

3188

why ultra sonic level transmitter is installed in 90 degree?

ME,

2 5987

what are the following documents comes under loopchecking

Heisco,

1 4746

how to know the URL and LRL for steam drum level and why the calibration range is in negative ?

JSW, Samsung,

1 9711

What is two wire system and how it work

Bhel, IFFCO,

2 7449

How to convert 4 wire level transmitter connection to 2 wire.

2 6855

Is it possible to convert 4 wire transmitter to convert to 2 wire with additional relay.Please send detial with drawing,i will appreciate.

2 7565

a pressure transmitter with a range of 0 to 2500kpag has a specified accuracy of 0.5 % of span.It is to be calibrated using a comparison gauge to have an accuracy of 0.1% of span.The comparison gauge has a range of 0 to 3000kpag What is the accuracy ratio? is this ratio acceptable?

2 4882

What is the maximum distance limit of 4-20mA and 0-10V DC standard signal transmission ?

BARC, ME,

3 17836

What should we do when Fisher Fieldvue DVC2000 give some out put air at 4mA bt at that i need no out put

1 2698

applications of 1-5v and 4-20ma?

4 8388

I want to know the questions asked in ONGC interview(after being selected in the written exam) for Instrumentation branch.Kindly help.

2361

How to change dcs card in online. (Dsc is maxdna)

3 6844

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Un-Answered Questions { Instrumentation }

What is instrumentation control?

1225

find the kp ki kd from the transper function G(S)=29.44s+04707/1.5349s2+s

1999

please tell no. & add. of consultancy who recruit me in power plant as instrumen engg. present i m working in power plant as ass.t instrument engg. thanku mahesh 09226562826

2152

How many ohms are required for proper earthing?

1136

Explain how thw analog to digital converter works with the circuit diagram

2730

how can be calibrate flow indication transmitter (rosemount) it shows excess milli amps nearly about 24 ma on full scale, but its scale was set on 20ma on full scale..???how can be simiulate..???

2470

How to calibrate the flow transmitter

1661

why fuse block is not used for AI signal?

1960

what is the criteria to decide conductor size of a cable ?

1945

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

2063

Which type of diagphram use in costic line,DM water line,natural gas line,oil line?

3972

installation process of orifice,a question asked for confusion creation in interview by BARC 1.if orifice is tightly fitted with pipe ,it will act like venturi 2.if orifice is left hanging in between liquid it will not create the pressure difference exactly,

2196

what is the electrical operation procedure for switching on 27.6MVA electric furnace.

2099

centrifugal compressor interlock? Tell me the parameter at which compressor will trip

3243

What is the difference between PLC and DDC?

2243

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