Instrumentation Interview Questions
Questions Answers Views Company eMail

1.how can calibration temperature transmitter and flow transmitter? 2.

Gulf Jobs,

423

Why we using 250ohm resistance during lab calibration and why not using in field in one plz define deeply???

Cisco,

1 959

How to convert milliampares into flow??

557




pt range is -45 psi to 45 psi.friends can you give answer with calculation and with linerity scale like 0%,25%,50%,75%& 100%?

WB,

1 589

Draw a complete P&ID of a flow suction tank indicating all control & protection equipment. Indicate all its inlets and outlets. Explain the controls for this system

417

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

506

How to calibration coriolis flow meter?

541

How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.

404




What is re-latch the manual trigger in solenoid valve

Valvitalia Systems Division,

556

What is paid how it works

KOC,

412

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

443

I have 0.75mm sq multicore cable (IS type) , can use instead of same type but 1.5 sq mm cable ? Note : The distance is around about 150 meter.

430

How to calibrate H2s Dectector

KOC,

464

How to calibrate smoke Dectector

KOC,

399

what is SIL 1 2 3

KOC,

633


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Un-Answered Questions { Instrumentation }

Can anyone send most commonly asked interview question in Oil & Gas industry

1047


Make Heater Process Logic.

976


what is stroke check for field instument transmetter's & AOV's

1001


Exothermic reaction./ endothermic reaction

753


How to calibrate RC Feeder system in thermal power station?,If any instrument available to calibrate it,ple inform me. make:stock,

2023






what is thermo coupler and how it works

3541


what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?

969


how to calculate the total flow in square root

936


I have 0.75mm sq multicore cable (IS type) , can use instead of same type but 1.5 sq mm cable ? Note : The distance is around about 150 meter.

430


what is the field bus calble ? what are diffrences in orang colur cable and black coular calble ?

1670


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

980


why micro controller 8051/52's clock frequency is internally divide by 12 ?? and why it is further divide by 32 in UART serial communication ??

5694


List three types Level Gauges with their working principles

980


What is the use of each wire in three wire RTD

1308


please tell no. & add. of consultancy who recruit me in power plant as instrumen engg. present i m working in power plant as ass.t instrument engg. thanku mahesh 09226562826

927