Answer / s

Hook-up Diagram having installation details like
vaves,tee,elbow sizes.It is a detailed diagram for
Particular equipment installation which is not available in
P&ID.

Answer / cpo

SS tubing come in standard max length 6m

Answer / chepin

S answer is right. Could some one pls share sample of the
hook up drawing.

Answer / www.islamqa.com

I think it's related to system response time, 6 meters
limitation to make the feedback pressure signal built up
through the pipeline and arrive to I/P or controller in
suitable time.

open loop has no feedback so there's no limitations.

Regards,

Ahmed Sabry
Control and Instrumentation Engineer
GPC - General Petroleum Company
ahmedsabry.online@gmail.com
CELL.: 00 2 0121367310

Answer / ladla

In open loop there is no feedback

what is the working principle of ABB gas analyser of kiln in cement industries

4 Answers  

---

what are the programming languages used in dcs

7 Answers  

---

what are level of automation & how these are distinguished ?

3 Answers  

---

what is AWG?

2 Answers   NTPC,

---

what is the function of 3 way manifold valve in a closed loop system?

1 Answers   Emerson,

---

---

why is negative range given to measure the steam drum level

2 Answers   Jindal,

---

how many types of thermocouple cable are? give the name of each type.

1 Answers   Fabco,

---

why flow transmitter showing 2.2ma?

2 Answers  

---

What is differnece between leveltroll and interface leveltrol?

2 Answers  

---

what is flow and flowrate? definate and diffrentiate it? pls post a valid ans thanks in advance

2 Answers   Qatar Gas,

---

how to adjust relay in smart positioner ?

1 Answers   SipChem,

---

What is inside the PLC panel? How does instruments communicate to DCS computer via PLC? What is the type of wiring in PLC connections? Please answer... Thanks

1 Answers  

---