_Particles having diameter greater than 75 ≈í¬∫m (micrometer = 1 – McqOptions

MCQOPTIONS

1.	_Particles having diameter greater than 75 ≈í¬∫m (micrometer = 10-6 mm) are called$?
A.	Grit
B.	Dust
C.	Powder
D.	Smoke
Answer» B. Dust

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