What is surge in compressors? How to detect and control it?

3 Answers   Kharafi National,

---

Determine the manipulated variable, controlled variable, and the measured variable given a description of various typical industrial processes.

6 Answers   Honeywell,

---

How to calibrate Magnetic flow Transmitter in Field

0 Answers  

---

explain Cascade Control strategy with the help of a block diagram. also exlain its working in a distillation column

2 Answers   ABB, Sabic,

---

What are the automatic controller MODES?

2 Answers   DEWA,

---

what is the principle of ultrasonic flowmwter and radar type flowmeter?

4 Answers  

---

how will you check torque value during Factory acceptance Test for control valve/ESD ON/OFF VALE how will you confirm this torque value is being correct, Which document will you be refer.

0 Answers  

---

what is difference between total flow and flow rate in general ?? explain it with daily life example.

3 Answers   GNFC,

---

how to calculate signal cable sizing? and multipair cable sizing??explain in brief?

0 Answers  

---

How to gennerate earth leakage monitoring alarm for solenoid valves in control system?

2 Answers  

---

please explain about actuator action? direct action & return action ?

1 Answers  

---

Why 4ma - 20ma signal used in instrumentation??

5 Answers  

---