Instrumentation Interview Questions
Questions Answers Views Company eMail

if the neutral and ground of ups voltege are connected together in the source itslef then why the voltege b/w neutral and ground comes positive in some other destination inspite of having earth pit. how can we mimmise this?

MPL,

1 2331

How vortex sensor used for steam flow measurment can be checked on line i.e without taking out from process line.

Heisco,

1619

I want to know about DDCMIS in detail ? please explain it. Also give name of reference books in which it is explained in detail in very simple manner.

3294

regarding level tx i would like to know how to select the range of the level transmitter in a closed drum(steam drum or deaerator)?

1 6299

What is the relationship between Sensor

6 9386

there is one orifice plate already installed on 3" line, but my previous engineer(who is not working here) removed that tx, but now i want to take it in to the process, so now what i have to do now? flow fluid is hytherm oil of temp. 260deg & pressure is 3bar.

2 4429

what is mapping in instrumentation and control engineering

2 5733

hi this is noor i wnt know the procedure and precations errection for PRESSURE AND DP transmitters? how to take impusle line for level and flow?(water and steam) impulse line sizes? and type of material ? plz give me answer / reffer any website ? to me "mail2noor.hyd@gmail.com"

1 3325

What is the basic principle of vibration measurement by BENTLY NEVADA vibration measurement system? and Why it gives the -ve voltage output?

Ensol, GNFC, Reliance, Siemens,

14 130593

how the presure switches are calibrated? and what happen inside?

1 5064

Do you have reference list?

1416

i want know about capillary type LT transmitter installation. we can install any location in between to HP and LP leg?

2 9920

how to work MIL contol valve posistioner ?

ABB,

1695

how we can calibrate split range control valve?

1 9057

how we use the positioner feed back in split range control valves?

Tata Power,

1 9559


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Un-Answered Questions { Instrumentation }

Type of level transmitter commnly used in Procees area are the following. a.________________This type of level transmitter works as follows

1636


Instrument QA/Qc what is the project quality plan?conduit inspection RFI. which documents attache with package?

10394


why we are using magnet for calibration of gas detector?

1793


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

2009


hi i am eswar i want to know the instrumentation interview questations for eil(engineers india ltd) i have applied for engineer post in eil please help in this.my mail id eswar310@gmail.com

2083






diff between neutral ,ground,phase , earthing and shielding?

1860


Why humidity limit is 30 to 55 % for raw material storage?

3603


What is voltage regulator?

625


WHAT ARE THE INSTRUMENTAL DIAGRAMSOF VALVES?

1671


Explain plc level and its type?

736


What is surge and how is it prevented, what is the purpose of bypass valve across AS valve.

1467


Full form of KKS when use DCS.

2600


god evening sir i am studying m.sc(tech)electronics &instrumention.am i elegible to all industies

1371


how works encoder in plc

1577


Explain the use of hair spring in the pressure gauge.

653