WHAT IS THE Differance b/w on/off & pid control valve?

10 Answers  

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(1) In turbine, what does term CDP, NI, NH, HSSOC, means. (2) What is the purpose of LO overhead tank in turbines.(3) An equipment is certified for EEX, IA, IIC,T6, what do you under stand by this.(4) what is SURGE, and how it is prevented, what is the purpose of bypass valve across AS valve.(5) Give 2 application of quartz crystal used for process parameter measurement.(6) what is meant by cold float of compressor shaft. (7) state four different types of flow measurement. For gas flow measurement mmscfd is the common unit. Expand the unit and specify significance of word S in the unit.(8) what is meant by Gap voltage, in vibration measurement. Normally how much Gap voltage is set and state the reason.(9) what will the new flow factor if D/P transmitter is Re-Ranged from 25” wc to 50” wc.(10) what is the usage of QDV & Volume booster.

0 Answers   ADMA OPCO,

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What is Hysteresis mean in Instrument?

11 Answers  

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what is the basic principal of vertax flow meter

3 Answers   Balrampur Chini Mill, Saba,

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What is smart positionar

2 Answers  

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HOW CREATED LP & HP PRESURES IN DRUM FOR DRUM LEVEL MEASUREMENT!

0 Answers  

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Instrumentation engineer please reply me,I am electrical engineer ,what is the future in instrumentation dept {presently working (P&ID) Design} for me,whether good future for me as instrumentation department.what side can i get job in future

3 Answers  

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I installed the smartplant instrument v8, but can not be opened, that always said: "INTools 2007 hardlock no found". So Could you help me how to do for that?

0 Answers   SRAAC,

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Why any transmitter signal is 4-20 mA only Why is started from lower range 4 mA and upper range is 20mA.

5 Answers   Edac,

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why we use 4-20 mA to do calibration of the instruments.why we cant use 0-20 mA?

8 Answers   Emerson, IEM,

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How can corrosion alter the accuracy and precision of a C- Bourdon tube pressure gauge?

1 Answers  

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why we are using digital signals for I/O & how to measure this signals is getting or not ?

0 Answers  

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