Question

Always close the fume hood sash when not in use and lower to approximately 12 inches when in use.A. TrueB. False

Answer 1

Option A. True

Step-by-step explanation:

Fume hoods are constructed in way that when not in use sash should be closed or lower. The reason for lowering sash is that there is an airfoil which exhaust dangerous vapor out of the room even when its shut. It continuously remove hazardous vapors out of the room. Attached is a picture of fume hood.