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Instrumentation Interview Questions
Questions Answers Views Company eMail

in a electronic controller why we are using 250 ohm resistance in input signal?is i/p is necessary in control valve when we are using electronic controller give details?

IOCL,

3 7338

what is interlock ckt? why it is necessary in industrial machines ?

IOCL,

2 6183

During valve sizing from all calculation you got flow coefficient CV 12,than what it means? like for selecting pressure transmitter if your MAWP is 12 bar than you select a capsule of max. 20 bar which cover your mawp 12 in same way for selecting control valve If CV is 12 than how we use it in selecting valve??????

1 3410

What is the purpose of MATLAB?

3 4716

what is meant by Hydroelectric powerplant?

1034

what is meant by nuclear power plant?

1 2486

what is meant by nuclear collector?

1084

hydrogen purity meter calibrating and commissioning procedure can be explained?

1 3742

Could you explain to me the enraf (servo gauge) mechanism. How it works ? and how it is working on archimedes theory while it's not immersed into the surface? and how can we calibrate it ? Thanx

1 3940

Why Differential pressure transmitter is located below the tappings points for steam & condensible vapor flow measurement application?

2 5472

how to connect 3 wire 4-20 mA transmitter in Plc system PLC system and how explain how the measuring data communicate with plc system.

1 15355

how can we measure the pressure in underground cooling water pipeline by using pressure transmitter?what about the tapping position?

2 5004

IS IT POSSIBLE TO CALIBRATE A LEVEL TRANSMITTER INDICATOR(ABB) USING HART COMMUNICATOR.? I MEAN TO CHANGE FROM ONE UNIT TO ANOTHER WITHIN INDICATOR (EG. INCH TO FEET)...? PLZ NOTE THAT I HAVE MADE THE UNIT CHANGE IN TRANSMITTER USING HART COMMUNICATOR..BUT WHAT ABOUT THE INDICATOR..?

2 4857

WHAT IS THE DIFF. BETWEEN SKIN TEMPERATURE AND PASSES TEMPERATURE..?

1630

differentiate different units of pressure like US & UK standards

1 2401


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Un-Answered Questions { Instrumentation }

hiii.... can any one provide me previous years question paper of hindustan petroleum for instrumentation engineering???

1067


is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?

1337


Explain operation of Haskel pump.

1070


why would you like to join our company

418


how to tune siemens sipart electro pneumatic positioner..plz tel me..

1229






What is critcal speed. what is resonant frequency. why we want to cross crtcal speed on higher RPM (early).

1198


what is different between 2,3&4 wire rtd and how much maximum distance using plc to field.

1757


please send me the inteview questions in IOCL

1321


what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?

1238


where proximity sensor installed on tank in loading arm application

1173


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.

1145


How can we test a bently nevda 3500/42M accelerometer monitor card by simulating it with test equipment?. what king od of signal (milli volts or volts or or resistance ) we should feed in the terminals of the card?

1482


what would be the minimum flow rate that we can measure on rotameter..?

1176


What is hp & mp seperator .& what is its working principle ?

1505


What is the formula of vabration sesore. i mean how to covert mils to volt plz share if any body knows   very argent : my mai is merajalam143545@yahoo.com

1506