Why drum level range is given -500 to 0 mmwc pls give me that answer

1 Answers  

---

There are many type of control cable like pair,core,tried, What are defination each one

0 Answers   Birla,

---

what is the formulae to find the thermocouple output to temperature

5 Answers  

---

how to calibate level transmiter ?range -150 to +150.what is the zero and span?

1 Answers  

---

how to calibrate level transmitter

2 Answers   Reliance,

---

---

Is that Speed Probe and Vibration Probe sensors are same,if yes what is the diff b/w them?

2 Answers  

---

what is difference between positioner and position transmitter in control valve

2 Answers  

---

If fire would be inside the plant which fire detector is to detected the fire.

0 Answers   KOC,

---

How will you calibrate an interface level trol/normal level trol in line and in w/s?

1 Answers   CCIE,

---

how to convert cubic metre per hour to newton cubic metre per hour

0 Answers  

---

what is use of communication wire in multipare cable(oil and gas field), why this communication wire not used in single pair cable?

0 Answers  

---

hay friends, i am in trouble to understand PID controller. several times i have study but it is not clear to me have you a simple way to understand.

1 Answers  

---