How does a single acting, spring return ball valve actually work? Does it require continuous air supply? 

0 Answers   Process Control Technologies,

---

what is Instrument Schedule, and what it is mainly used for?

0 Answers  

---

how to check electrical health of vibration probe?

1 Answers  

---

What is the difference between rich gas and lean gas?

3 Answers  

---

What is upsampling and downsampling?

1 Answers  

---

I am pujita completed Electronics and Instrumentation Engineering.As a fresher i am going to attend the interviews.Could anybody guide the topics/questions covered mostly in interviews.

11 Answers  

---

What kind of feedback is used in DP cells.

1 Answers   CCIE,

---

what is o2 analyzer and how it measured ,what is the role of this analyzer in cfbc boiler...

2 Answers  

---

How to calibrate displacer type level transmitter (chemtrol make )for level measurement in hotwell , LP & HP heater ?

0 Answers   Matrix,

---

How does pyrometer works?

1 Answers  

---

why do we use 4-20 ma current why cant o-20ma

6 Answers   Southwest Cheese,

---

what is the different between plc and dcs ? I know full name of this two but I want to know what structure and working style and speed I/O capacity and controller difference?

2 Answers   L&T,

---