Answer / ajay

Refrigeration systems are very sensitive to moisture in the refrigerant side of the system. If moisture gets into the system, failure may occur due to:

Ice formation in expansion valves, capillary tubes or evaporators,
Corrosion of metals,
Copper plating,
Chemical damage to insulation in hermetic compressors or other system materials.

Answer / ibrahim_mahmoud

hammering
decrease cycle efficiency

what are the parameters are selected while manufacturing a single cylinder block?what are the different kind of test is conducted on it so that it can withstand with all those condition which required to run the engine efficiently.which force is act when piston slide inside the cylinder.

0 Answers  

---

the compression ratio of petrol engine is always less than c.r. of deseal engine why?

3 Answers  

---

What is the critical speed. Compare the critical speed of hollw shaft and solid shaft.

0 Answers   Cummins,

---

Hindustan petroleum placement papers.please send me.

0 Answers  

---

Hi i am riyaz ahmed . i got rejected for first time and i nedd to apply for next time and can i apply in 1 or 2 week . and wt abt my sevies fee ? i should make a new once shill i go with the same and wt docement i should change can u plz help me out and my mail it is royalriyaz@gmail.com

0 Answers  

---

Name the boiler that does not need a steam drum.

0 Answers  

---

What for schmidt plot for is used in heat transfer problems ?

0 Answers  

---

Is knowledge of properties of engineering materials is significant in pattern making why?

0 Answers  

---

How do we calculate the CFT?

1 Answers  

---

We select 10mm nominal thickness for Elip head of a pressure vesel. The minimum thickness after forming is 8.2mm. (Shell thickness is 8mm. The minimum thickness after forming is satisfied or not with UG-79 (d)(3) in ASME SECTION VIII, Div.1?

0 Answers   PetroVietnam,

---

what is the thickness tolerances up to 32 mm

0 Answers  

---

how can calculate COP?

5 Answers  

---