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
collapsibility
permeability
cohesiveness
adhesiveness
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
9 comments Page 1 of 1.

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.

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.

Ramkumar said:   6 years ago
Permeability is property of mold send & it's control by mold send grain size.

Ch v Gopi nath said:   8 years ago
Permeability is the property of the sand to pass the gases through it.

Vivej said:   1 decade ago
Collapsibility by absorbing heat collapse and release steam in gases.

Shakir said:   9 years ago
Yes, I understood now, Thanks for the explanation.

BAJI BABU.B said:   1 decade ago
Thank you for @Abhishek giving valuable answer.

Biswarup Das said:   7 years ago
Thanks for this explanation.

Kamaljit singh said:   9 years ago
Yes! B is right.

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