If a control valve is hunting means means if we are giving 50% to the cv, the cv will open at 51% then slowly slwoly it will reaches 49% , so what to do for solve this problem. The cv is double acting and mounted for anti surge operation, it having 4 nos. volume booster, one sov, one positioner, etc..?

0 Answers   QAFCO,

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What is the difference between precision and repeatability of any instrument. Why it is measured always in percentage

2 Answers  

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What is the Difference between E/P Positioner and I/P positioner in a control valve? In which applications the respective positioners are used in?

18 Answers   ADCO,

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principle of automatic votage regulator

0 Answers   Bhel,

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Explain the functions of the CPU of a PLC.

1 Answers  

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please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

0 Answers   HP, Siemens,

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why magnetic flow meter is not used in thermel power plant operation

2 Answers   JK Paper,

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Why we use 4 - 20 ma?

6 Answers   IJT, ONGC,

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if the neutral and ground of ups voltege are connected together in the source itslef then why the voltege b/w neutral and ground comes positive in some other destination inspite of having earth pit. how can we mimmise this?

1 Answers  

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Ple give me "INDUSTRIAL INSTRUMENTATION AND CONTROL S.k. Singh 3th edition" Solution manual to self-Check Quiz and chapter-wise PowerPoint Slides. Home web-site not available... Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Ple Thanks for all...

0 Answers  

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what is differnace between radar level tranmitter & hart type tranmitter?

3 Answers  

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If P will increase then what will happen with PID?

1 Answers   Chettinad, Galfar, Mehran Sugar Mills,

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