Answer / sagar mistry

Because flow is directly proposnal to squareroot of delta p(dp)...(F=sqrt of dp)

Answer / sindhu

its because the flow rate is proportional to square root of differential pressure.

Answer / vidnyan patil

Flow varies directly as the square root of DP. since this
flow varies directly the pen does not indicate flow
directly. The flow can be determined only by taking the
square root of the pen.

Answer / aatif alvi

Well this is a mathematical equation , and if you are wondering why we are using this equation,.

go to http://www.efunda.com/formulae/fluids/calc_orifice_flowmeter.cfm

for the answer

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 are the types of valves?

0 Answers  

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what is the difference between laminor flow and turbulant flow

2 Answers   Invensys,

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what about your moleg in pogrees with company

0 Answers   MahaGenco,

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To calculate temperature, why we multiply 25 with mV?

2 Answers  

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Sir , i have completed my M.Sc In Instrumentation and presently working in Maintenance department 3 yrs Exp , is there is any possible for work in offshore ..

0 Answers  

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why in vortex flow transmitter dcs range is configuring less than sensor range. eg (sensor range 500-25000 kg/hr and dcs range 0-24000 kg/hr).

1 Answers   Daelim,

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What is the constant voltage unit?

0 Answers  

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How to calibrate Field bus transmitter? procedure ?

0 Answers   Parco,

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How do you measure g's?

5 Answers   Aramco, GNFC, HPCL, Polmon, Thermax,

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which type of rtd is good for any system,2wire,3wire or 4 wire

9 Answers  

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what is the meaing of calibration curve?

3 Answers   HCL, Honeywell,

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