what is control valve and how is work

5 Answers   Descon,

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What is meant by Fail Safe Condition in PLC?

4 Answers  

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what is formula mv convert to temperture

4 Answers   Sterlite,

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what happens when the profibus fails while in operation (operation of a valve)?

5 Answers   L&T,

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if I did short to both AO connections, channel will burn or what? m sure in AI it will damage to channel. But what will happens in AO?

1 Answers  

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What are the different types of temperature sensors and the principle they work on?

1 Answers   GAIL,

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Im working in a shopping center, it is also hotel and office building, two towers exactly and someone is proposing a PLC control for the HVAC system, but Im thinking of a DDC control system. in this case what is the difference between PLC and DDC control?

1 Answers  

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What are the difference between mass flow meter, magnetic flow meter and vortex flow meter.

1 Answers  

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What are the interlocks we have to check during the start up of LP/HP compressor?

0 Answers   Hamsco,

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why we use sensing type(NPN)on a vibration monitring system not a (PNP)sensing type

1 Answers  

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Functions of electropneumatic valve positioner:

4 Answers  

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Hello-I know this not an engineering question,I am working in gulf & i want to do correspondence diploma in instrumentation,can any one give me the address of any university in which this courses are available.

2 Answers  

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