Answer / abu zarrar qaisi

A flowmeter is an instrument used to measure linear,
nonlinear, mass or volumetric flow rate of a liquid or a
gas.

Answer / dinesh rawat

flow meter mesures flow by showing the pressure diffrence
at the inlet & outlet.

Please anyone answer my question, what is the difference between single acting and double acting control valve, in what condition we better choose single acting rather than double acting

2 Answers  

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what is the importance of CV in the control valves? how it is calculated?

0 Answers  

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In control valve there are two type of valve seat we can use metal to metal seat & soft seat.On this valve seat i have following doubt. 1)I have never seen practically the internal assembly of valve so my doubt is that basically weather the seat is soft seat or metal its basic MOC is same as valve body(SS or CS) only in soft seat we are using PTFE ring & place on valve seat & in metal this PTFE ring is not threr am i correct??????? 2)what are the common general rule for using metal to metal seat & soft seat,means its depend on process parameter like liquid,gas, steam & on valve leakage class.

1 Answers  

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What is limitation of the ht.of the displacer of a level trol?

0 Answers   CCIE,

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Why trim span ? How?

0 Answers  

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Why only negative 24 vdc supply give in vibration measuring system.

6 Answers  

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How much Resistance Show by RTD(PT100) when it is installed in process(Consider Process Fluid temp 29 Deg C)?

5 Answers  

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If hart communicator provide 4-20ma source to any transmitter during the callibration?

3 Answers   Hyundai,

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what do you mean by CJC (cold junction compensation).?

5 Answers   Jindal,

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How is SmartPlant Instrumentation related to INtools?

4 Answers   TCS,

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how to caluculate flow by using transmitter?tell me plz I am eagerly waiting for your reply..

2 Answers   Agi Glaspac, Reliance Power,

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How RAL(Rotary air lock)works in cement industry?

0 Answers   Jaypee,

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