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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 3232

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

Honeywell, Oil and Gas Jobs,

2 4188

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

rsystems,

1 2944

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 2576

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

Flour Tech Engineers (P) Ltd,

1074

What is the GK Value in Flowmeter?

IBPIL, Thermax,

2686

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 1845

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 3114

what is the imbustion control loop

Manali Sugars,

1194

How a Flow Transmitter Works?

1 3302

How to convert Differential pressure to flow in TPH

Chettinad, ELCO,

1570

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

1 2518

What is safety barrier and how it is work

IOCL,

2 3553

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

CIL,

1 2738

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

ISRO,

1531


Post New Instrumentation Questions

Un-Answered Questions { Instrumentation }

What are the type of bonnets in the control valves?

1250


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.

2245


How many ohms are required for proper earthing?

490


How works weighfeeders in cement industry? what is the working principle?

1369


TEMPERATURE VARIATION FOR FREQUENTLY.

1357






Which products are available in the Mass Systemswitch and System Manager AC range?

1345


How to interfacing microcontroller with a DC motor

1074


how pressure transmitter work, what is its principal to measure and how its generate signal. for pressure transmitterinstallation which precautions must be taken ??

1155


what is compensation? temprature & pressure

1419


WHAT IS THE CAM POSITION IN CONTROL VALVE POSITIONER ? WHY IT IS USED?

392


If relative y axis vibration sensor is by passed, and relative x axis and absolute sensor is left working. how much monitoring i would have risked?

877


In turbine what does term CDP, NI, NH, HSSOC means.

1864


can we replace a slot sensor (inductive type) with limit switch (potenial free contact / no-nc type).

1432


why is an oxygen sensor used in a boiler stack

5736


How signals can be taken through modbus?

507