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Instrumentation Interview Questions
Questions Answers Views Company eMail

why can't we use 5-20mA standard or some other instead of 4- 20mA?

Emerson,

6 15175

Which language of programing is popular? how can i learn it ?

2154

suggest a sensor to measure rapidly varying temperature?

1 4249

please tel me the calibration of pneumatic controler.

2151

how pressure reduce through pressure control valve? suppose we have to reduce 20 kg pressure to 10 kg pressure , then what we do ? open the valve or close the valve , initially it is 20 % is upon ( for ur knowledge ).

TATA,

4 8188

what is the analog input , analog output , digital output, digital input geven to the MSSV , CBD, IBD , START UP VENT , BOILER FEED PUMP , AOP, CEP , ETC

Bharat Biotech, TATA,

1 3279

When cryogenic control valve will be applied?

1 4207

wht is dcs architecture ? can u give example?

3 9512

pressure switch range 0 to 2bar.i have to install from ground level to 5 meters height.what is the formula the to increse the range ? and every 1 meter how much pressure should be add ?

3 6322

My friend has faced this question! I don't know clearly. So please anyone give me the correct and short answer to this question? What is variable frequency drive? Types, what is star to delta? Why this arrangement necessary?

Asian Paints, TCS,

5 10215

Qatar fertilizer call me for interview as Instrumentation Project Engineer. Please let me know what kind of question they asked ? ALso they said they will take Written test, any idea about this written test ?

QAFCO,

1 9445

What is cable size for intrenal wiring in DCS or PLC ,from any card to Terminal amd Why

2 10036

what is plc communication?

Siemens,

2 6328

what is pressure control

GNFC, IBM, Privi Organics,

1 2915

What is the difference between PLC and DCS?

Honeywell,

4 14454


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

Please can anybody help for control valve sizing step by step procedure?

2127


How to fix back the valve actuator stem

2058


TEMPERATURE VARIATION FOR FREQUENTLY.

2048


what is effect of specific gravity in differential level transmitter , explain formula related with this .

1651


Sir, I want junior executive, Instrumentation question papaer for IOCL, Plz send to arabinda.ghosh83@gmail.com

2306


Basically iam Instruemntation Engineer, but Iam interested in Instruments design engineering, so plz guide, is there any course, training or Softwres to become Instrument design engineer??.

2050


Why is it necessary to use compensation leg to measure the liquid level in a closed or pressurized tank?

2464


how to calibrate mass flow meter (Coriolis)? Example calibration range: 0 to 2500 kg/hr line size 3" fluid: Etheline glycol (MEG)

2685


I WANT SECURITY PAPER MILL, HOSHANGABAD TEST PAPER.KINDLY SEND TO MY MAIL ID

2787


why any measurement made interms of pressure is more accurate ? to be more precise most of the flow velocity is made interms of pressure and it is accurate. what is the reason behind pressure measurement being accurate ?

1908


send me model hpcl questions pleas..........my mail id mohideen.dharvesh@gmail.com

2216


whatis range of marcury filled tempereture gague

1950


can anyone can let me know in Eurotron Micro cal 2+ calibrator in milli amps source mode we are not able to get 20 milli amps output it only produces 1.52 milli amps out, but display shows increase in milli amps , and err6 displays, let me know how to remove the err 6.

2266


what is the difference between magnetic flow meter and mass flowmeter

1527


How u will setup SPI(2007) on Citrix Server (Thin Client Mode)? Plz Justify?

2022