Answer / tarique

wave lenght detection priniciple

Answer / narendra mishra

Infrared or ultraviolet(IR/UV) energy is emitted from a heated filament in a chamber.when gas is passed through it,a detector measures IR/UV wavelength absorption by the gas which is the property of that gas.this is compared to the reference condition i.e at no absorption.radiation spectrum is limeited to absorption band of gas.

Explain about signal isolator

1 Answers   TCS,

---

How can I make calculation for Install level transmitter (DP) for open tank and cloes tank?

1 Answers   Petrofac,

---

how to calculate temp.prapotional to mv in thermocoulpe.

2 Answers   Electronics, KNPC,

---

What is an SCR?

4 Answers   GAIL,

---

How to calculate flow of air bubbler type level transmiter  According hight and density 

2 Answers   Qatar Petroleums, RKS,

---

can i use 1 sq mm insted of 1.5 sqmm cable cable length 600 mts under ground laying Cable carrying 24 vdc 4-20ma current

2 Answers  

---

which type signal in & out in dcs

4 Answers  

---

why we use cascade control and feed foreword control in 3 element control of boiler drum ?what is feed forward and cascade control system ?

0 Answers   Visa Steel,

---

how to calculate the total flow in square root

0 Answers   PTI, Qatar Kentz,

---

what is working principle of vibration prob

3 Answers  

---

DCS marshilling Cabinet Power supply can be replace during plant running time?

1 Answers  

---

what are the pinciples & units of flow, level, temperature, pressure, quality.

1 Answers  

---