Answer / carl_ellis

Various published papers (from USA's Nuclear Regulatory
Commission to Gas Technology Institute) agree that an
orifice plate installed backwards reads low anywhere from
8-25% below the actual true flow rate.

Furthermore, under-measurement error is reasonably well
correlated by the orifice "Beta ratio".

Carl Ellis
Measure First

Answer / veera

the transmitter reads NEGATIVE value.

tell me about the instrumentation,what is the actual need of it ?what are the characteristics of a IC engineer ?

11 Answers   L&T,

---

what is difference between Floating D.C.Voltage and Fixed D.C.Voltage?

2 Answers  

---

How addressable fire systems work? Pl. send details with architect.(Loop), also send details regarding Gas system. Pl. help me.Thanks

0 Answers   Siemens,

---

how to use K thermocouple instead E- type without compesation cable

1 Answers  

---

Why do you want to work here

0 Answers   Eskom,

---

---

Explain about signal isolator

1 Answers   TCS,

---

how we can calibrate an Interface level transmitter online

2 Answers   L&T,

---

Why thermo wells are used? What materials are used in thermo wells?

0 Answers  

---

How to measure density of oil in your kitchen. i.e indirectly to verify the quality of oil using min. gadgets available in the kitchen/house.

1 Answers   HPCL,

---

Why we use 4 - 20 ma?

6 Answers   IJT, ONGC,

---

what is the formulae to find the thermocouple output to temperature

5 Answers  

---

Is it ok, to use non-contact type Radar type LT, on a tank that is half circular from the bottom side? If yes the, isn't the waves gonna bent in other directions? 

0 Answers   Process Control Technologies,

---