Answer / faiyaz ahmad

Bentley neveda system used NPN transistor or NPN transistor give the negative voltage -9 volt that's why vibration probe give a negative voltage

How to regulate the flow of Air in 4" line, with max flow of 330 nm3/hr and Pressure of 0.5 bar? please suggest the type of instrument required.

0 Answers  

---

protection relay watchdog contact operation?

0 Answers   L&T,

---

why we set -10 volt in vibration sensor output,why not +10 volt

3 Answers   Sabic, TVS,

---

What are the type of bonnets in the control valves?

0 Answers   CCIE,

---

As you are fresher in Instrumentation & control engineer.Then why should I select you?

1 Answers  

---

Watt is Wrms define rms?

2 Answers  

---

How to calibrate and check thermal mass flow meter of Make thermal instrument company inc model 60?

1 Answers   Wood Group,

---

diff between dead wt calibrator n pressue comparator?

4 Answers   Invensys,

---

please can any one tell me clearly about pid tuning i am confusing about this .how to tune pid easly?

0 Answers   HP, Siemens,

---

We have a Yokogawa Micro-XL DCS, which is having around 300 I/O, but whenever there is any wire gets grounded in field, the 24v supply to all loops gets dipped & all the indications at DCS goes to IOP(shows input open), at present we have fixed 500mA fuses in all the lines but which does not working. Does it required to replace with lower amps fuse, then how much or is there any other solution for this.

2 Answers  

---

can anyone guide me how to get any of the previous year GAIL question papers? are they available? 0n 2nd august i have to take the written test.

0 Answers  

---

hi my name is rakesh patel i just complited my be in instrumentation & control now i am going to working as a validation engineer in a poject department so what is a scope in a future as a validation engginer ? what line is good for me can any bady give me complete solution please? your regard rakesh patel

0 Answers  

---