how to work gas chromatography explain principle ?

2 Answers  

---

why pressure 3-15psi is used as industrial standard and what is the reason

2 Answers   JAL International, UltraTech,

---

Can we measure pressure using differential pressure transmitter? If yes then how?

5 Answers   Reliance,

---

What is the use of control cable?

0 Answers  

---

when placing a vent or drain hole on an orifice plate should you measure from the center of the bore up or down for the vent placement?

0 Answers  

---

what is the zero elevation and zero supresstion in level measurement, how can use it?

2 Answers   GAIL,

---

In turbine, what does term CDP, NI, NH, HSSOC, means

0 Answers   ADMA OPCO,

---

What is SCADA ? WHAT is it role in DCS ?

3 Answers   Honeywell,

---

How is flow measured in square root?

0 Answers  

---

what is DCS?

24 Answers   Reliance, SWCC,

---

where cn i find the previous years question paper for psu exam???????//

0 Answers  

---

What is the differences of Level swich( LS ) and Level Transmitter(LT)

2 Answers   Hi Spectra, Sipra,

---