Instrumentation Interview Questions
Questions Answers Views Company eMail

To become an Instrument DESIGN engineer, is there any softwares or training to become Instrument Design engineer, plz suggest me, Iam very much interested in designing.

2942

I want to measure and control level in tank of size 10*5 filled with gasoline, so plz give me the solution with clear details. how to select transmitter and sensors.

1737

why the discharge pressure of ID fan showing negative at fan running condition.(boiler operating condition.)

5 16680

In split range control, we will control 2 outputs with time interval. Eg :(with 4-20 ma signal, for 4-12 ma we are operating one control instrument like valve & for 12-20ma we are operating other control instrumet (other valve). If we get a signal of 15ma to first instrument (Valve 1), what will happened to the first valve, and if we get signal above 20 ma to 2 valve what will happened ?

3 6731

what is the difference between Feedback controller and Feed forward controller. and when it is to be used.

3 30298

How flow control valve is working with pnuematic positioner and I/P convreter from command is given from remote

Ecil, GAIL,

1 3877

Why DP level transmitter preferred for closed vessels and Radar level transmitter for open tanks??

2 6919

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

BARC,

1545

why 8bit microprocessor referred as 2^16?

2 4839

i have one temperature TX in my loop check time once i was remove elament temp gose maximum then i am conect corectly but still now temp showing maximum what can i do this problem?

2 4004

compare the thermocouple and pyrometer,which one is the best?why?

Ramco,

4 16610

hi i want sov loop cheak from consol to field the operater given status to sov still no change, but MR room to sov ok so whats a problem and alreasy cheak all conection ok ?

2 4169

how to calibrate the temprature transmitter MURCREYtype and thermocouple input type.

Shree Cement,

1 3653

what is difference between Floating D.C.Voltage and Fixed D.C.Voltage?

2 7257

hay friends, i am in trouble to understand PID controller. several times i have study but it is not clear to me have you a simple way to understand.

1 3401


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Un-Answered Questions { Instrumentation }

Explain the working of an electronic level troll.

575


Specific gravity.

1453


Can any body tell me about SAP MAINTINANCE MODULE. WHAT IS its function and application. And study material Source about it. I shall be very thankful.

1466


What are different types of orifice plates?

612


a flow transmitter [range-0-400mbar] connected in process line. please explain me how to calibrate the flow transmitter , & how to do static error

1826






How we can check the 2 wire proxy switch? & how it is connected to DI MODULE OF PLC?

1990


How will you test a transistor with a multimeter?

608


What is the purpose of LO Overhead tank in turbines.

1549


I m appointed as an automation trainee engineer in small firm in that I am only the one , my company give me a project on s7-200 as i m beginner I don't know how to program so please send me the helpful site so that I complete my project before deadline....please help me out in this critical situation.

1549


What are the types of valves?

604


how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?

1468


HI, can anybody give details about GAS TREATMENT PLANT CONSTRUCTION,as INSTRUMENTATION ENGINEER what are the responsibilites.what are the instruments mainly instrumentation engineer will deal with

1588


Whatis the reset ofset and control system in instrumentation

1561


How flow can be measured with dp?

654


Name different parts of a pressure gauge. Explain the use of hair spring in the pressure gauge.

635