If any control valve create hunting problem, what is the possible reason and solution?

6 Answers  

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How to Calibrate variable Head flowmeter (Orifice), here we dont know High pressure and low pressure then how to apply pressure on HP and LP side ?

1 Answers   Nirma,

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How a rtd work, and what volts/current goes to a RTD to measure the resistence?

1 Answers   DVC,

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what is the different between plc and dcs ? I know full name of this two but I want to know what structure and working style and speed I/O capacity and controller difference?

2 Answers   L&T,

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What is the purpose of the analyzer in petrochemical plant?

0 Answers   ENI, Lakshmi Machine Works,

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Which boiler is use in power plant

1 Answers   Jindal,

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Why DP transmitters are subjected to high static pressure test of 100 bar. Though they will be used for very small pressure range

4 Answers   HPCL,

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What is CNC

1 Answers  

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What are the key features of a Distributed Control System? describing the various layers (sensor through to business system interfaces) as well as the hardware, software and security aspects of the DCS.

0 Answers  

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3element

2 Answers  

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What is difference between scada and virtual instrumentation?

1 Answers  

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what is positive feedback and negative feedback?

2 Answers   CEPC,

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