Instrumentation Interview Questions
Questions Answers Views Company eMail

Hai friends I have dought for O2 analyser how to working in boiler area. And what is the basic principles

Enmas,

2 3507

why we use only 4-20 ma signal as AI and not 0-20 ma?

Honeywell, Oil and Gas Jobs,

2 4552

how does pressure is converted into milli amps in pressure transmitter? plzzz explain practically

rsystems,

1 3196

why k factor is important to know in flow transmitter. if we don,t know k factor what will be issue we can face .

Flour Tech Engineers (P) Ltd,

1 2860

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

Flour Tech Engineers (P) Ltd,

1208

What is the GK Value in Flowmeter?

IBPIL, Thermax,

2999

why in vortex flow transmitter dcs range is configuring less than sensor range. eg (sensor range 500-25000 kg/hr and dcs range 0-24000 kg/hr).

Daelim,

1 2135

A differential pressure transmitter is configured to measure the height of an open tank : height 10m and dia 5m. Suppose this same transmitter is shifted to another open tank : height 10m and dia 4m. What will be the %error in measurement? how?

McCoy Engineering,

3 3477

what is the imbustion control loop

Manali Sugars,

1413

How a Flow Transmitter Works?

1 3624

How to convert Differential pressure to flow in TPH

Chettinad, ELCO,

1723

We are used CENTUM CS3000 of YOKOGAWA. please tell me how to simulate wihtout FCS and vnet.

1 2758

What is safety barrier and how it is work

IOCL,

2 3891

why we are maintain the gap voltage in vibration probe when installing time can explain me?

CIL,

1 3085

Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?

ISRO,

1747


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Un-Answered Questions { Instrumentation }

what is scale factor of proximitor & unit of the vibration.

1663


How will you calibrate PID controller? explain with example.

1945


how to calibrate load cell

2295


the pump holds on run indication into the dcs and filed local control panel remote push button condition operaton wrong like when the push button pushing conditions the pump is off and the push button release condition the pump is on totally opposite condition . And control room inside give the stop command into dcs just 1secon relay engage and again normal condition. How can I slove

1113


what is actual drum level and compensated drum level?

1748






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

611


How can i copy program (parameter) from mm440 (V.F.D.) by using BOP?

2257


what is the input to be given in digital flow meter during the the calibration time?

1721


Explain the working principle of lvdt?

663


Explain Gas Turbine startup and shutdown sequences

3794


What are the different types of thermistors used in industries? How to the operation of typical thermistor?

1290


What is offset in a control system.

7918


HOW CREATED LP & HP PRESURES IN DRUM FOR DRUM LEVEL MEASUREMENT!

1420


What is the use of double seated valve?

709


Can combine control system for Emergency control system (ESD)and Fire & Gas System ( F & G) is possble to built and offer to client? Can such system is as per Norms in India?

1531