Answer / thompson

Thermowells are used to protect thermocouples from the process

What is an analog input - output , digital input - output . Any example ???? How they r known its ai-ao or di - do

4 Answers   Torrent Pharma,

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what u mean by speed control in turbin? how it was working?

2 Answers  

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What are the different type of instrument used in cement industry with uses

2 Answers   Lafarge,

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What should we do when Fisher Fieldvue DVC2000 give some out put air at 4mA bt at that i need no out put

1 Answers  

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Why use ball valves on Gas pipelines instead of gate & or globe valves...means basic diffrence or use of these valves..how designers knows this type of valve with rating is required...

0 Answers   Adgas, GAIL, Oil India, ONGC,

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What is the difference between working pressure and calibration pressure of a control valve

0 Answers  

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Why we use 250 ohm resister in series hart communicator?

3 Answers   Thermax,

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Y to use 4 to 20ma instead of 0-10v

5 Answers  

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Boiler flame scanner advantage?

0 Answers   Fluke, Petrochemicals, Tata Chemicals,

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How to control flow variations in magnetic flow maters..... When i will provide proper earthing?

0 Answers   ABB, L&T,

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what is meant by orderm of a system. will the stability of a system increases by incresing order of a system

1 Answers  

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In close vessel/ drum why we use d.p. transmitter of -ve range i.e. (-)500 to 0 mmwc.

2 Answers   IMECO, Voltech,

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