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Instrumentation Interview Questions
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Briefly describe instrumentation job

 1 2108

I HAVE GOT TYPICAL PROBLEM WITH THE TEMP.INDICATION. THE PROBLEM IS THE K-TYPE T/COUPLE OUT PUT IS CONNECTED TO A INDICATOR.THE INDICATION FLUCTUATES SOME TIMES AND SOME TIME IT IS STABLE. WHEN I CHECKED OUT PUT OF T/COUPLE THE MV WILL NOT VARY. WHERE AS INDICATION FLUCTUATES. WHEN I GIVE MV SOURCE TO T/COUPLE EXTENSIONCABLE FROM THE FIELD IT INDICATION IS STABLE. WHEN GIVE MV SORCE TO INDICATOR ITS INDICATION IS STABLE. PLEASE CLARIFY.

 5 5791

generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

 1 3214

generally transmitter power supply having some range(12v to 35v) but the out put(4-20 mA) must same for given input.If we vary the power supply voltage then output mA also to be change according to V=IR. Is there any voltage regulator in the transmitter ?

 2 4176

How would i calibrate a new commissioned flow transmitter???

 3 6368

WHY WE R NOT USING THE TURBINE FLOW METER IN THE STREAM SERVICE ? pl explain?

 3 4746

1)how we calculate the drum level? and how we select the transmitter range?

 3 8593

what are the steps to follow force a particular input or out put from ics triplex esd system?

 1 2573

what is the function of a zener diode ?

Honeywell,

2 6384

in which mode of the zener diode act when load voltage is approximately constant

 1 3131

In thermocouple could we use the lug for termination or not,Thermocouple is any time,I am currently concerned with K type.please let me know if anybody know

Saudi Aramco Shell Refinery Company SASREF,

4 9486

I am manjunath having exp in maintenance of chemical plants,know i want to do a design course INTOOLS,after doing design course can we get jobs in design field.sinve i dont have design exp..

 1335

what is mass flow meter principal?

GIL,

4 7134

Someone Please tell me what are the Pre-Commissioning activities in a Thermal Power Plant for an instrumentaion Engg.

 2107

why is honed type flow orifice plate? what purpose it used? how to select this?

 4 15809

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Un-Answered Questions { Instrumentation }

In most instances, Inertia processes are quite uncommon. Give an example of a combined Resistance and Capacitance situation.Describe an application, which according to your understanding of the subject matter, comprises of both Resistance and Capacitance effects.

1513

what is the electrical operation procedure for switching on 27.6MVA electric furnace.

1600

Describe the typical instrumentation used in monitoring the performance of a shell and tube heat exchanger.

1539

What denotes the 5/8mm in the 3300XL 5/8mm proximitor probe?

978

what is the usage of QDV & VOLUME BOOSTER

1772




what are the values of fuel flow rate in various places in boiler.

1230

Identification of control valve parts.

1527

Any one can help me to identified, how can we interchange the device in FF

2314

What is the use of control cable?

679

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.

2962

KAlman filter code for two dimension?

1607

How to calibrate displacer type level transmitter (chemtrol make )for level measurement in hotwell , LP & HP heater ?

5419

What are the materials available to prepare individually for competetive exams in Instrumentation field? Plz reply...

1619

What is the difference between modbus,fieldbus & profibus

1870

How to convert mmWc(mili meter water colam) to tph(ton per hour)?

481

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