Answer / amit uapdhyay

it is a critical parameter of designing of orifice. & it must be not greater the .7

unit less a factor defined as === d/D

D- pipe dia
d- orifice plate hole dia.

Answer / rampal

Beta is a ratio of orifice dia to inside pipe dia.

Beta = d/D

Answer / r_vaya

Beta Ratio is the Ratio between the line inner diameter to bore size of the orifice.

Orifice dia / pipe dia 

The flow coefficient is founds to be stable between beta ratio of 0.2 to 0.7 below which the uncertainity in flow measurement increases.

How comparison of objects is done in PHP5?

1 Answers   TIS,

---

Why we use DPT? can we use PT instead of DPT?

2 Answers  

---

What is the main three inputs of DCS?

1 Answers  

---

WHAT IS DIFFERENCE BETWEEN TWO WIRE RTD AND THREE WIRE RTD?

5 Answers   Yokogawa,

---

how we will install a positioner ?

2 Answers   Descon,

---

why using 4-20ma not using 0-20or why not using 1- 20ma???????

7 Answers  

---

What is DCS?

5 Answers   Adani,

---

what are the types of a thermocouple

2 Answers  

---

What are continuances of connecting earthing and shield of branch cables (instrument to Junction box), at the same earthing pot provided on JB? Is it ok, or may produce some problem? 

0 Answers   Process Control Technologies,

---

Type of level transmitter commnly used in Procees area are the following. a.________________This type of level transmitter works as follows

0 Answers  

---

In control valve , Failure position : Close If it is Fail close(FC) during failure of AIR.. what will be the initial/ normal position of control valve is it normally open or close? please some one explain soon..

2 Answers  

---

i have a dp tx range is 5000mmwc. in which calibration i use in a open tank.1.5*3.5*2.5 mtr.for level msmnt. what is the calculation.

2 Answers   Bajaj Hindusthan,

---