Which_of_the_following_sand_is_coated_with_phenol_or_urea_formaldehyde – McqOptions

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1.	Which_of_the_following_sand_is_coated_with_phenol_or_urea_formaldehyde_resins?$
A.	Shell sand
B.	Green sand
C.	Dry sand
D.	Facing sand
Answer» B. Green sand

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