Answer / omak

Dry leg calibration is nothing but the calibration of a DP tx in an closed tank.In a closed tank , the LP side is connected with the top of the tank and HP side is connected with the bottom of the tank to measure the height of the liquid column present in the tank.

Phigh = Pgas + S.H
Plow = Pgas
DP = Phigh - Plow = S>H

hi my name is rakesh patel i just complited my be in instrumentation & control now i am going to working as a validation engineer in a poject department so what is a scope in a future as a validation engginer ? what line is good for me can any bady give me complete solution please? your regard rakesh patel

0 Answers  

---

What is the standard height for stancion supports? and what is the standard mounting height for different transmitters?

11 Answers   Samsung,

---

In thermocouple could we use the lug for termination or not,Thermocouple is any time,I am currently concerned with K type.please let me know if anybody know

4 Answers   Saudi Aramco Shell Refinery Company SASREF,

---

For what reason would you possibly be compelled to make use of a Smith Predictor. Explain the idea behind the operation of this device.

0 Answers  

---

what is difference between fork type and capacitance type level switch. where it is using

0 Answers  

---

define SIMULATION a and what is the need of it

3 Answers   Siemens,

---

How will you test a transistor with a multimeter?

0 Answers  

---

how to test rotor &stator earth fault in turbine

1 Answers   Bhel,

---

List three types Level Gauges with their working principles

0 Answers   ABB,

---

what is difference between HOT permit and cold permit

0 Answers   Petro Rabigh,

---

if my flow is 20000 m3/h than which range of DPT i have to use????

0 Answers  

---

can we use a control valve without positioner

19 Answers  

---