Answer / samir

The Control valves is used for auto loop control of pressure, flow and level. So if we use it's a pressure control valve then desired set point should be pressure of the system. Similarly for LCV & flow control set point is Level & flow respectively. Here should be consider one thing the same CV can't used in three application as because of others parameters are varied to system wise.

Answer / praveen kumar

flow is called the substance of liquid which travels from one point to another point.
pressure is called travelling liquid have a force that is called pressure
level--> travelling liquid finally stacked on single vessel or drum that is vessel....
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Answer / pavan

Controlling is
main..which
parameter we are
going to
controlling.for
example we are
controlling pressue
through valve than
that valve is known
as pressure control
valve as similar also
for other
parameters.

How flow can be measured with dp?

0 Answers  

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I wnat to practice more online type questions .so will you show them me to take a practice test?

1 Answers   VA Tech Wabag,

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please send the drdo exam paper

0 Answers   DRDO,

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plz give me the logic for how a pushbuttoon can be worked as atoggle switch i m working with allenbradely/micrologix1200/rslogix500

3 Answers  

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1 Answers   Nirma,

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0 Answers   Jindal,

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why the positioner output is 3-15psi

5 Answers  

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how ranges is decided for drum level or dearator level,in my pplant i have seen for boiler drum range is -1000 to 1000mmwc, while for dearator -2000 to 0 mmwc ,why they decided to take this range ?

2 Answers  

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what is vibration sensor working principal and how many types its has??

5 Answers  

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how to change 4 wire rtd transmitter into a 3 wire rtd transmitter? as our transmitter is working for 4 wire rtd, what should do for working on 3 wire rtd transmitter

1 Answers   HHJ,

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i install a DP transmitter of Faugi on drum level of boiler but i face a problem in it when i engergize the transmitter the meter shows 0 or 100% no variation in it.the distance of two points is 19.5 inches, i am in trouble please suggest me what can i do it's very urgent Please reply me as soon as possible Best regards ikraam haider

5 Answers  

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diff between neutral ,ground,phase , earthing and shielding?

0 Answers   L&T,

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