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

Instrumentation Interview Questions

Questions Answers Views Company eMail

How to make position transmitter feedback reverse i.e at valve close i want 20ma output and at full open 4ma.for the NELES positioner,model:ND8261/TS1.

3 6954

what is the difference about HART, and 4-20mA signal?

8 43182

plz give me the logic for how a pushbuttoon can be worked as atoggle switch i m working with allenbradely/micrologix1200/rslogix500

3 6660

Why we use 4 to 20 mA, (This is International Standard) instaed of this can we use 4-16, or 4-24 or 3- 15 or any other range

ONGC,

13 33455

what is the advantage by using PID controller than P& PID?

1 5947

An electronic p controller has an input range of 1-5v, and output range of 4-20mA, while testing a step change of 0.4 was applied at the input , the PB setting was 50% ,what should be the change in the output ?

Reliance,

1 5727

what is an ambient temperature?

Reliance,

5 11969

what is the function of a diaphragm?

1 6093

why we use negative 24vdc to a proximeter

KNPC,

4 12126

What is mean by AC voltage and DC voltage

2 7098

what is the difference between DELTA-V & FOUNDATION FIELD BUS

4 12106

Hi buddies! my name is sachin and i am working as a electrical and instrumentation engineer in a paper plant. right now i am facing a problem and if someone could help me it will be an immense pleasure to me. i am using AC 800M to synchronise DCS500 drives on paper machine and rewinder.communication is on PROFIBUS and we are using NPBA-01 module to link profibus to DC drives.But these days two of these drives are showing a error named FIELDBUS COMM.TIMED OUT and the drives get tripped.I have changed the NPBA module and PROFIBUS cable.So if anyone can do please help me out with this problem.I'll be highly grateful.

2191

Can anybody tell me which type of question are asked in the interview for the FORMULATION(Pharma) as a instrumentation engineer, & question in building managment system.

Reddy Labs, ScienceWay,

2012

how in the 2 - wire transmitter, 24v supply and the 4ma signal gets in the same path?

Yokogawa,

1 7561

what is difference between total flow and flow rate in general ?? explain it with daily life example.

GNFC,

3 23055

Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

In which principles tx ,pressure gauge,Temp gauge,control valve works?

1821

In apron feeder how TPH is calculated?

1731

protection relay watchdog contact operation?

1957

What are de-saturators?

1233

What is mean by analytical instrumentation?

1813

i am from instrument branch i want paper patern of mahagenco . any pevious years paper regarding my branch send me please . please.....

2095

typical loop drawing of a simple feedback control comprising of one transmitter and one control

1993

how works encoder in plc

2075

How does temperature bath work? How does coil gets heated only by applying some current?

1819

Hi my friends Is any one who can assist me in knowing the typical interview questions for system engineer at General Electric pty Ltd

2111

what is the importance of CV in the control valves? how it is calculated?

2443

What is feed factor and its Importance in cement industry? How we can solve feed factor?.

3605

need instrumentation job completed 1 year trainee ship in mnc pesticide company. now in search of job

1886

what is RTV function in in process control?

3124

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

2254

For More Un-Answered { Instrumentation } Questions Click Here