Answer / himanshu

O-ring : to prevent leakage between metal parts while
allowing some movement between them

wear ring : generally a softer material than the parent
material , employed to wear out quickly than the parent
metal thereby avoiding loss of parent metal

Answer / prakhyati

o ring prevents wear and tear and it also prevent leakage of liquid

Answer / abhimanyu

its a sealing ring ,which isolates

Answer / arun prasath

o ring to avoid water leakage from the casing

wear ring is to balance the impeller, it also reduce the wear and tear

what is high temperature corrosion and what is center priming.

3 Answers  

---

A steel column 3 m hight is of hollow square section, 200 mm outside dimension and 20 mm wall thickness. (young's modules E=210*10^9) calculate A: the compressive load which will give a stress of 60 MN/m^2 in column. B: the compression o the column under the load in (A).

0 Answers  

---

What is the purpose of o-ring in the centrifugal pumps?

0 Answers  

---

what is the full form for MAN B&W engine which is as follows - 6ESDZC 34/82

0 Answers   Univan Ship Management,

---

In ship cranes, there is a provision of providing a conveyor for the cable. There is no provision of slip ring. How is it possible?

2 Answers   L&T,

---

How square root can be calculated from manometer?

0 Answers  

---

How fuel consumption can be calculated?

0 Answers  

---

What is the principal of axial pump?

0 Answers  

---

What do you do to improve your skills as a marine engineer

0 Answers  

---

How large marine generator supply power to the msb?

0 Answers  

---

Which place causes iron losses?

0 Answers  

---

What is the difference between mitsui man and hitachi man.

0 Answers  

---