Answer / k.sreenivasan

To begin with you must ask why there was a DP measurement
in the first place?
For example if you are measuring the DP across a Filter to
find filter choked condition, then removing one capillary
will defeat the basic concept.
If the DP xmr is used for a level measurement, then also
you will get wrong reading.
So unless you inform the details... correct answer cannot
be given.
By keeping one side of the transmitter open to atmosphere
by removing one capillary, the other side will read the
pressure with reference to atmosphere.
If you want vacumm pressure measurement then you have to
keep the HP side open and LP to the process. Vice versa for
gauge pressure measurement.

What is the formula To convert Degree centigrade to foranhight.

5 Answers  

---

What is zero elevation and zero suppression?

0 Answers   CCIE,

---

How 2 calibrate level tank having large height..?

2 Answers  

---

Can we use a 10000 Lph Flow Transmitter in 100 LPH flow line to get 20mA O/P by adjusting SPAN ?

1 Answers  

---

What is the basic difference between 2 Wire, 3 Wire and 4 Wire RTD

2 Answers  

---

What is the SCAN time of a DCS/PLC? What is the typical value for scan time of DCS and PLC?

6 Answers   Essar, Gasco, Siemens,

---

send me last 5 years questions asked in rrb chennai, for section engineer

0 Answers   RRB,

---

In case of Transmitter's(e.g.Ultrasonic Flow meter ) we have an normal practise of selction of upstream and downstream distance such as (20D and 5D ).can anyone please let me know whow to calculate "D" ?? i guess it refers to pipe thickness is t right ?

2 Answers  

---

What is input and output of vaiberation transmitter and what is its unit.

4 Answers   SMH,

---

Difference between dcs and plc including date processing and architecture.

0 Answers  

---

what is the meaning of GK value(fullform) in flowmeter ?

3 Answers   Essar,

---

explain how magnetic flowmeter works

1 Answers  

---