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Instrumentation Interview Questions
Questions Answers Views Company eMail

May I have a brief note above the voltage barriers? Whats is the purpose? Please mail me if you've operational details, mail id: rajkumar.diice@gmail.com

1449

where Pirani gauges are uesd in case of pressure measurement?

3 5958

What s PDS & PDMS tools ?its role in instrumentation?

1 9234

generally for transmitter we are giving supply 24vlts?but we are getting output 4-20ma ? how it is possible? is there any operation inside the tx?pls give complete information?

3 5274

units of pressure,flow, level,temperature? principle of pressure gauge? calibration of pressure tx., level tx., temperature tx.flow tx.? description of two wire ,three wire and four wire R.T.D.? WHAT IS INPUT AND OUTPUT OF TX.? WHAT IS INPUT AND OUTPUT OF R.T.D. AND THERMOCOUPLE? WHAT IS HOT LOOP AND COLD LOOP? WHAT IS INPUT AND OUT PUT AND OUTPUT OF D.C.S. AND P.L.C.? PRINCIPLE AND WORKING OF HART? WHAT IS PNP AND NPN PROXY? CALIBRATION OF PRESSURE ,LEVEL ,FLOW SWITCH? DESCRIPTION OF FIELDBUS FOUNDATION? WORKING OF SOV.?

2 4238

HI FRIENDS IHAVE QUESTION 1.WHAT IS PARTIALSTROKE TEST?WHY IT IS USED ON ESD ON OFF VALVES?

KNPC,

3 5028

HI FRIENDS IHAVE QUESTION 1.WHAT IS PARTIALSTROKE TEST?WHY IT IS USED ON ESD ON OFF VALVES?

KNPC, Rotork,

3 6706

Why 4ma - 20ma signal used in instrumentation??

5 12877

what is installation and commissioning of (fat & sat) of power plant dcs ? this question keeps in desirable conditions of one company .

4237

what is the safety integrity levels (SIL)

1 4083

hello sir/madam, I,Subramanian need 5yrs placement papers of officer trainee of Instrumentation technology.pls send to this mail id mani_nxtgen@yahoo.co.in please do the needful. with regards, subramanian.v

1585

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

2924

what is the Difference betwee the Hart and smart series Pressure transmitter

HPCL Mittal Pipelines Limited HMEL, Kastech Instrumentation,

1 2455

Coal mill Instruments Equipments for cement plant And process diagram ?

2194

why the positioner output is 3-15psi

5 8806


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Un-Answered Questions { Instrumentation }

What happen if we install my pressure transmitter below the elevation of pipe in natural gas service?

479


How to check electrical health of Vibration probe?

1622


What are the charcterstics of a P&ID controller block for Governor speed raise or lower for a load sharing functionality between 4 Gas turbines in droop mode.

2242


What is the reason PT speed not incresed in gas turbine?

1682


Where are oxygen analysers installed in cfbc boilers? What are their usual readings?

968






Which Signal hart communicator work? If there any signal change when hart connect while transmitter in line ?

760


Draw a simple circuit for a well head control panel used to protect the well against fire, leak, blockage, ESD, & controls the operation of one downhole & one surface safety valve. Explain the operation and controls

1021


all questions related to instrument technician in any offshore oil and gas company.

20404


Displace type LT to be calibrated in workshop, wt. 40, dia- 60 mm, density- 0.8kg/cm3.

1287


Why even multiple power supplu r used in instrumentation system?

3758


I need to know steps to Calibration Valve Guard......

796


can we copy the software from a transmitter using hht(hart 275) ?

1469


What is the difference between ff transmitter and non ff transmitter

1801


Tell me the field calibration procedure step by step with diagram of pressure gauge, pressure switch, pressure transmitter, temperature switch, level switch, flow switch, flow transmitter.

2519


How flow can be measured with dp?

508