Answer / helping out

We can use duplex RTD( two channel) for local indication and DCS for interlocking. For local indication we can use Temperature Indicator of any type. For DCS we can use Temperature Transmitter.

How much voltage we are using at switches?

4 Answers   Edac,

---

radial & axial vibration sensor output voltage is ac or dc volt?

8 Answers   Vedanta, Voltech,

---

Define all the process Variable and state their unit of measurement. ?

0 Answers  

---

how to calculate orifice sizing? and tell me if pipe size bet 50mm t0 200mm then we can use pipe flange??? and above 250mm pipe size should i use D & D/2 Flange? is it right or wrong?

0 Answers  

---

my data card only does run in my mobile so how can change it that it run other mobile & computer and i can stor data in my data card

0 Answers  

---

why do we use 4-20 ma current why cant o-20ma

6 Answers   Southwest Cheese,

---

WHAT IS ANNUBAR?

7 Answers  

---

hi i am eswar i want to know the instrumentation interview questations for eil(engineers india ltd) i have applied for engineer post in eil please help in this.my mail id eswar310@gmail.com

0 Answers  

---

Is it possible to convert 4 wire transmitter to convert to 2 wire with additional relay.Please send detial with drawing,i will appreciate.

2 Answers  

---

Why we are using temperature and pressure as a reference when measuring flow of steam?

4 Answers   Shell,

---

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  

---

kindly sent some demo question and answer

0 Answers   HPCL,

---