Answer / yashwant

SEE THE SIMPLEST WAY WILL BE DEPEND ON YOUR REQUIREMENT OF
PROCESS, WHETHER YOU WANT SLOW OR FAST RESPONSE AND ACCURACY
YOU WISH. P VALUE FASTEN AND SLOW DOWN PROCESS, IF YOU REDUCE
VALUE OF P LESS THAN 1 PROCESS WILL BE ACTING VERY SLOW AND
ACCURACY ALSO WILL BE GOOD, AND IF IT IS MORE THAN 1 SYSTEM
ACTS SOME WHAT FAST AND FORWARD O/P IS EXPECTED.
I VALUE DECIDE THE SPAN AND SPEED WHILE REACHING SP AND AWAY
FROM SP. D IS USED FOR VERY FAST RESPONSE IE ON OR OFF VERY
FAST ACTION IT IS USED VERY RARELY AS PER PROCESS REQUIREMENT

7. What are tri-state devices and why they are essential in a bus oriented system

1 Answers  

---

What is the use of double seated valve?

0 Answers  

---

What do you do as a Engineering person EPC for Sizing&Selecting Control Valve?

1 Answers  

---

why we use double acting valve and where?

1 Answers   Aker Solutions,

---

what are the steps I have to deal with?

0 Answers   ONGC,

---

How does pyrometer works?

1 Answers  

---

where we are used split range control

1 Answers   Borouge,

---

What is standard of DCS panel design?and what is step of DCS panel design?wiring and type of connector(screw or DB connector)

0 Answers  

---

wHAT IS BURST MODE IN TRANSMITTER?

1 Answers   Bhel,

---

What care will you take in the installation of control valves,SCADA,DCS and FOC in Oil and Gas Project?

0 Answers   KNPC,

---

what is the deluge ? How can its working?

2 Answers   KOC,

---

What is difference between reset and initialization in system.

1 Answers   Marafiq,

---