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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 7741

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

 1061

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

1013

why used three wire in RTD.

8 15488

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

1445




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,

 1134

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

 1 3836

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

 3 13496

What is open loop checking and close loop checking

 1 3153

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BARC Instrumentation Interview Questions


Un-Answered Questions

What do you understand by the term 'dynamic cube'?

115

Define chasm trap?

79

What is dag – directed acyclic graph?

27

how many mobile subscriber are come under one BTS?? and how many BTS Comes under One BSC?? how many BSC under One MSC??

1386

What is bean? Where it can be used?

138




Explain the architecture of sap system with different layers. What is the use of gateway?

140

What is the need for chloroplast and mitochondrial DNA in the plant cell?

1197

Which function is used to read a single character from a file in PHP.

139

What's the difference between access and excel?

66

How to use forms in reactjs? Give an example of using forms in reactjs by developing a user registration form?

23

Compare and Contrast- Diffusion and Drift Mechanisms

427

How do I reduce the margins in powerpoint?

17

By sitting at home how can you send money?

153

We must change from being producers to marketers if we are to be successful. What do you think of that statement? : insurance sales

75

What is the purpose of @element?

124