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BARC Instrumentation Interview Questions
Questions Answers Views Company eMail

sir, i preparing hpcl,ongc,barc,hal exams(instrumentation engg)pls send a placement papers

2 7063

Hi Friends i need Electronics&Instrumentation Engg question papers for BARC written test by coming 20th May 2008 pls post ur use full info to kkumarei@gmail.com. Or for suggestions pls give one missed call to 9962122264

767

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

682

why used three wire in RTD.

8 13515

1.what is the effect of vapour presuure in orifice plate flow measurement 2.which is more effective 2 pressure sensors or one single differential pressure sensor in orifice plate measurement 3.how to design a v/i converter and i/v converter 4.how many type of thermocouple are there 5.how many leads are there in thermocouple measurement 6.how pressure sensors are connected in level measurement in differential pressure method 7.what is the output of capacitive pressure sensor (ac or dc),how its o/p is signal charactarized 8.what is the physical meaning of discharge coeeficient,why it is calculated,orifice plate what is its value,why it is less than 1,Q at upstream is equal to or not equal to Q at downstream of orifice plate why?what is vena contracta in orifice plate 9.why rotameter is called variable area flowmeter,it can measure flow even if area is not varying,why it is made tapered 10.design a 10 bit counter ,which counter you will prefer 11.how to remove self heating error in RTD 12.which is more sensitive pt100 or pt50 13.why thermocouple are connected in parallel 14.what is lead contact error in RTD,how to avoid 15.what is P,PI,PID,PD controller,why there is no ID controller 16.what is override,split range,sequential,ratio,feedforward,cascade controller 17.why we moved from SR to JK and then JK to master slave JK flipflop,give correct reason 18.how to measure level of a closed container which contains vapour and liquid,remember no vapour gas should be leaked,so ultrasonic and capacitive is not an option,design another method 19.how to design horse race counter including sensors and signal conditioning element 20.what is bevelling

1116





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,

840

if differential pressure created by orifice falls below vapour pressure of liquid flowing through it what will happen

1 3367

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

3 11280

What is open loop checking and close loop checking

1 2452

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Un-Answered Questions

please inform me , how to make employee ladger account of salary...please inform me with entry..e.g if we give 14000 salary, as structure we put it half amount in advance and half is salary so in this case how to make entry in employee ledger account...please inform me...both things..Thank You.

2932


why are U looking for this vacancy

824


How many types of report in asp.net 2008?

1129


How to convert normal function module to bapi?

221


Can we write a method in JSP.If so how?

658






Explain about virus in RFID?

1065


what u know about genpact.

1080


write the 10 prime nos program in c++?

692


Why and how you calculate WIP?

357


How to fix tableviewcell dequeue issue ?

361


Critical speed of turbine means the natural frequency and resonance frequency are matching and cause for vibration and noise. which is the natural frequency. how it reflect in vibration.

770


Does PostgrSQL support Column constraints? If so how is it done?

298


What are the advantages Information System Architecture Framework in term of analysis and system design

1413


How to calculate mean doubling times for adhesion cells ?

792


What is the relationship between voltage,current & frequency?

446






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