Mechanical Engineering - Workshop Technology - Discussion
Discussion Forum : Workshop Technology - Section 1 (Q.No. 24)
24.
The property of sand due to which it evolves a great amount of steam and other gases is called
Discussion:
9 comments Page 1 of 1.
Abhishek rathi said:
1 decade ago
In the sand there are pores through which the gases and the moisture in the sand comes out this property is known as permeability.
BAJI BABU.B said:
1 decade ago
Thank you for @Abhishek giving valuable answer.
Vivej said:
1 decade ago
Collapsibility by absorbing heat collapse and release steam in gases.
Govind jadhav said:
1 decade ago
Permeability means to removing air/gasses from the mold. Due to which chances of porosity in casting. Permeability word related to casting process. While molten metal/alloys pour in casting pattern, due hot gasses/air proper casting not produces.
Kamaljit singh said:
9 years ago
Yes! B is right.
Shakir said:
9 years ago
Yes, I understood now, Thanks for the explanation.
Ch v Gopi nath said:
8 years ago
Permeability is the property of the sand to pass the gases through it.
Biswarup Das said:
7 years ago
Thanks for this explanation.
Ramkumar said:
6 years ago
Permeability is property of mold send & it's control by mold send grain size.
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