Answer / beninst

the barrier is used in hazardous area.to prevent spark explosion in case of gas leaking.

Answer / joe

Zener Barrier is used to avoid the the spark explosion in hazardous area

Answer / hiren

Intrinsically safe barrier use

What are Sinking and Sourcing IO Cards

2 Answers  

---

what is the zero and span trim?

2 Answers  

---

model question paper of instrumentation for Jindal GET 2010.plz reply sudhanshukumar08@yahoo.com

0 Answers   Jindal,

---

what is the difference in Kg/cm2 and mmwc?

2 Answers   Niko,

---

what is maximum vaccume?

4 Answers  

---

can u please tell me the different types of valve uses and wt purposes it is used ~!(controlling the flow other than that which valve should be used in what place)

2 Answers  

---

What is cv of control valve

4 Answers   Cadila,

---

what is field bus system. need defination

3 Answers   Takreer,

---

why use 50% lel methane gas concentration for gas detector calibration instead of 60% lel gas concentration whereas the hi alarm set at 60% lel.

0 Answers   ONGC,

---

relation between flow and differential pressure.

7 Answers   ABB,

---

WHAT IS THE DIFF. BETWEEN SKIN TEMPERATURE AND PASSES TEMPERATURE..?

0 Answers  

---

why can't we use 5-20mA standard or some other instead of 4- 20mA?

6 Answers   Emerson,

---