what is the safety integrity levels (SIL)

1 Answers  

---

Derive capacitance to 4-20ma conversion formula / relation in capacitance type pressure sensor?

0 Answers   ISRO,

---

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

2 Answers   ABB, Sabic,

---

Boiler flame scanner working principle?

1 Answers   Bhel,

---

WHAT IS ANNUBAR?

7 Answers  

---

I want to take temp. data from recorder to computer. Which communication system is best from this option(Rs 232- 485/ethernet/USB)?

3 Answers  

---

what is the criteria to decide conductor size of a cable ?

0 Answers  

---

how pressure reduce through pressure control valve? suppose we have to reduce 20 kg pressure to 10 kg pressure , then what we do ? open the valve or close the valve , initially it is 20 % is upon ( for ur knowledge ).

4 Answers   TATA,

---

Please explain about FAT? What is the difference between FAT and SAT?

6 Answers   IBM,

---

what are the documents(Construction point of view for a process plant) submitted by contactor initially entering in to new site for client?

0 Answers   NTPC, PSU,

---

HI THIS IS NOOR AHMMAD.SHAIK, I AM WORKING IN INSTRUMENTATION MAINTENANCE Dept. in BOILER HOSE(BHEL HYDERABAD),,any other persons are working in same dept. i want some HELP in my subject

1 Answers  

---

plz... clarify my answer, how to calibrate vaccum (DP)leveltransmitter,it is hart. (digital).DETAILS:(coloumn)closedtank height 2650mm,and tx range is 0-1500mmH20.

2 Answers   KNPC,

---