Answer / jitendra roul

As per ASME hydrostatic test pressure is 1.5 times of that
of Design Pressure and pneumatic test pressure is same as
design pressure.However pneumatic is highly risky, So
always preference should be given to hydro-static test
pressure.

While conducting hydrostatic testing care should be given
to vent the air trapped during water filling at the top
most point.

Answer / peds-phil

For Hydrotesting, test pressure is equivalent to 1.5 times
the vessel design operating pressure while pneumatic is
only 1.2.

Answer / vignesh.raja63

to contect the pressure vessels depends upon the capsity of
pressure of vessle

Why viton is used in the O-ring material

3 Answers  

---

Instead of having individual transmission what is the benefit of unified transmission?

0 Answers  

---

What is Hydrogen embrittlement in fasteners? How can you test presence of Hydrogen?

2 Answers  

---

how can we find the discharge pressure of the pump with the use of flow and NPSH?

0 Answers   Essar,

---

how i can calculte the lenght of a ring dia 27 mm.

5 Answers   TATA, WWE,

---

---

What is the used of economizer in boiler?

1 Answers   ABC Inc, RRB, Siemens,

---

How many brothers and sisters U have? :)

0 Answers   HAL,

---

how to calculate volume of torispherical head in design of pressure vessel???????

3 Answers  

---

two commonly used firing order of a 4-cylinder inline engine?

3 Answers  

---

• Tell me more about your experiences in this qualification and since when you have been working on this profession till date?

1 Answers   Petro Star Mount,

---

Purpose of governer in automobile?

14 Answers  

---

What is the purpose of piston rings?

7 Answers  

---