what is the meaning of reverse action and forward action of control valve...

9 Answers   Honeywell, Yokogawa,

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1 bar is equal to how many pound per square inch(psi)?

14 Answers   Essar,

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Pressure transmitter working Principles?

1 Answers  

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can any one help me to get bel probational engineers sample question papers. I have applied for it.

0 Answers  

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What is difference between reset and initialization in system.

1 Answers   Marafiq,

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what is difference between total flow and flow rate in general ?? explain it with daily life example.

3 Answers   GNFC,

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what is mean by live zero and dead zero

3 Answers  

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Boiler flame scanner advantage?

0 Answers   Fluke, Petrochemicals, Tata Chemicals,

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Why Differential pressure transmitter is located below the tappings points for steam & condensible vapor flow measurement application?

2 Answers  

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With N nodes and B branches what will have a network ???

0 Answers   BSNL,

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You wish to SINK all my digital inputs to a PLC digital input card. Would you common out the leads to a positive or a negative connection?

1 Answers  

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when the instrument tapping on pipe line is located below and transmitter is located above the tapping point for liquid service transmitter, what should we do, is there any additional drain valve is required??

2 Answers  

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