Answer / balu

once leaked i will cause damage/depletion of ozone layer in
the atmosphere

Answer / rahul singh

R12-chlorofluorocarbons.
It depletes ozone layer, increases the effect of global warming and becomes harmful when mixes with lube oil ND6 . R12 is not eco friendly So that's why it is restricted .

What type of pump use in boiler F.O. system?

2 Answers   ABC Inc, RRB, Siemens,

---

What are the causes of L.O. high temperature?

0 Answers   RRB,

---

• What is the overall structure of your job and how did you fit the structure?

1 Answers   Petro Star Mount,

---

what is flange rating

4 Answers   IOCL,

---

what is difference between corrossion and erosion?

8 Answers   ACS, JSW,

---

---

what is meant by straem lines?

1 Answers  

---

Which is the welding process you have carried out in workshop?

0 Answers  

---

during the design of a friction clutch what are the considerations that should be made?

0 Answers   BEL,

---

What do you understand by timed cylinder lubrication ?

0 Answers  

---

List the different devices and components of main switchboard.

0 Answers   RRB,

---

Why preferred Production than Drilling?

0 Answers   ONGC,

---

Is there any metal that does not contain iron?

0 Answers  

---