Answer Posted / www.islamqa.com

x-axis is %valve stroke
y-axis is %flow rate

we have 3 versatile characteristics:
====================================
linear: flow rate is linearly proportional with valve stroke
equal percentage: flow rate increases slowly with valve
stroke
quick opening: flow rate is increasing dramatically with
small valve stroke


Regards,

Ahmed Sabry
Control and Instrumentation Engineer
GPC - General Petroleum Company
CELL.: 00 2 0121367310

my data card only does run in my mobile so how can change it that it run other mobile & computer and i can stor data in my data card

1827

---

Can any body tell me about SAP MAINTINANCE MODULE. WHAT IS its function and application. And study material Source about it. I shall be very thankful.

1506

---

what is the protection system in solar turbine compressor

1721

---

what is gas metering system? gas chromatograph? and gas compressors?

1974

---

What is eddy current? Describe the operating principle of proximity probe.

1771

---

---

why we use impulse line of flow transmitter at 45 deg. angle both side of orifice plate.

1952

---

pls give me presant awerness quistion and answer in my emailid.

2336

---

principle of dead weight tester ?

1610

---

why we should maintain neutral earth voltage below 1V while calibration? why cant it be 1.2V or 2V

2017

---

Give 2 application of quartz crystal used for process parameter measurement.

1595

---

sir i m preparing for BARC but i am not getting any papers to prepare for this exam so please send me some sample papers to my i.d for the preparation of barc.

2014

---

what does the ratio 800-400-300-200/1-1-1-1-1 in the specification of current transformer indicates?

2084

---

if my flow is 20000 m3/h than which range of DPT i have to use????

1307

---

I have 0.75mm sq multicore cable (IS type) , can use instead of same type but 1.5 sq mm cable ? Note : The distance is around about 150 meter.

1174

---

what is the criteria to decide conductor size of a cable ?

1295

---