what is mean by live zero and dead zero

3 Answers  

---

what is difference between venturi and orifice

1 Answers  

---

hw to calibration a control valve?

3 Answers  

---

Hi, I am Newely Joined in Construction company instrument engineer? Any one can Plz tell me How can I advanced preparation for Releated Engineering and construction Documents?

0 Answers  

---

wht is Zero Elevation and Zero Suppression?

12 Answers  

---

what is loop folder?

1 Answers   Bapco Bahrain Petroleum Company, Hyundai,

---

what will happen if transmitter wire get shoted?

2 Answers   Sabic,

---

if the t/c o/p is 4-20mv then how plc recognize it because we are dealing with the 4-20ma in the plc ????????????????

7 Answers  

---

If a flow transmitter (magnetic type FT) that can measure flow and temperature, then why in some industries people use flow transmitter and temperature transmitter in the same line 1 after another? Even after 1 single flow FT is capable of measuring flow as well as temperature.

1 Answers   Process Control Technologies,

---

how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.

0 Answers  

---

A DP transmitter is used to measure the level of an open tank. The drain line of the tank is connected to a control valve, and is configured as, if the level of the tank is 90% the valve should get open 10%. And if the tank level is 10%, the valve should get open 90%. Draw wiring diagram and explain how to configure DP transmitter and control valve using HART communicator. If the span error at output is 1%, what will be the %opening of the control valve at 60% level of the tank?

0 Answers  

---

Convert a pressure, level, flow, or temperature process variable value into the appropriate pneumatic or electrical value given different types of instruments.

6 Answers   Jindal, MCL, Thermax,

---