what is commissioning & pre commissioning , explain with difination

2 Answers   Bapco Bahrain Petroleum Company, Shell,

---

what is commissioning.

2 Answers   Takreer,

---

Why are the uses 24vdc in industries

0 Answers  

---

Explain PID, ON/OFF, Controls

0 Answers   CCIE, Gulf Engineering,

---

What means zero and span in transmitter callibration.

8 Answers   Bajaj, Wartsila,

---

what is burner management system?

2 Answers   Alstom,

---

I HAVE PRESSURE TRANSMITTER WITH TWO WIRES 24 VOLTS SUPPLY.IF TRANSMITTER WILL GIVE SIGNAL TO THE DCS WHAT HAPPEN TO THE 24 VOLTS POWER SUPPLY IT WILL DROP OR REMAIN TO 24 VOLTS POWER SUPPLY.

3 Answers  

---

If Solenoidal valve works in manual mode but not in Auto mode. What should be the problem?

8 Answers   Bharathi Cement, Titanium,

---

why we us isolation barrier in hazardous area how it works to protect the area and please clarify its current flow.

0 Answers  

---

i want formula for flow control.am doing project in flow control using orifice . i know value of the flow level(Q) . upstream(p1) pressure, orifice diameter(Do) , pipe diameter(Di) and oil viscosity(Vi) how can i calculate downstream pressure

0 Answers  

---

why we are giving negative supply for vibration sensors?

3 Answers   Shell, Solex,

---

What is meant by Fail Safe Condition in PLC?

4 Answers  

---