Finish TradesCâu 294 / 700
Before applying a moisture-cure or solvent finish in an enclosed room, the MOST important safety practice is to:
a.Turn up the heat to speed drying with the windows closed
b.Light a pilot flame to test the fumes
c.Provide adequate ventilation and control ignition sources because vapors can be flammable and harmful
d.Ignore ventilation since the coat is thin
Giải thích
Solvent-based and moisture-cure finishes give off flammable, harmful vapors, so adequate ventilation and removal of ignition sources (pilot lights, sparks) are essential for safety. Sealing the room with heat, testing with a flame, or skipping ventilation risk fire and health hazards.
Luyện miễn phí toàn bộ 700 câu hỏi — không cần đăng ký.
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