Answer / mithilesh kumar

Oxygen sensor is a vital role in boiler.we maintaim
3-5%.
In atmoshphere 21% oxygen.
So if we are feeding coal in boiler at running plant,
or hot lightup or coldlightup that time it's role is very
important.ie it's shows coal burning or not.

Answer / ravi kumar

since oxygen is necessary to create firing in furnace,the oxygen sensor is placed so to matain the combustion control for the fuel used

what is sliding spool valves?

0 Answers  

---

What is loop checking ?

10 Answers   Kharafi National, Petrofac, Samsung,

---

What is the cascade control

0 Answers  

---

what is the use of shield cable?

2 Answers  

---

what are the possible reasons if a control valve fails to open/close?

1 Answers   DEWA,

---

I am an intru engg frm pune n completing mba marketing in may 2010, what kind of profile would best suit my educational qualifications??? Also, i will move to US in jan 2011, so this job experience should count Over there too 'coz i want to continue workin even there....

1 Answers  

---

what is the output of conductivity sensor and PH sensor?

3 Answers  

---

how can we tune a PID. If it is by zeiger nichols method..please explain briefly with help of an example.

0 Answers   KNPC,

---

the whole paper was based on Transducers..questions like define repeatability, error,accuracy,precision..den there were many q. on the conversion of Pa to mmHg and other units.. also..der wer few Q. on some level sensors(with diagram)

0 Answers   GNFC,

---

why pneumatic control signal output is use 0.2 to 1 kg/cm2

3 Answers   Jindal,

---

how can i calibrate the temperatuture gauge used by temperature bath(dry block) i mean step by step procedure?

0 Answers   Texas,

---

we are used SAMSON 3730 Smart positioner.please tell me how to calibration this.

1 Answers   TCCL,

---