What type of respiratory protection protects against nuisance dusts and hazardous chemicals?
A) Plastic face shields
B) Filter and cartridge respirators
C) Air-supplying respirators
D) Self-contained braking apparatus
Answer: B
Explanation: A) Incorrect. Plastic face shields protect the face and eyes during activities such as sawing, buffing, sanding, grinding, or handling chemicals.
B) Correct. Filter and cartridge respirators protect against nuisance dusts and hazardous chemicals.
C) Incorrect. Air-supplying respirators deliver breathing air through a hose connected to the wearer's face piece.
D) Incorrect. A self-contained braking apparatus (SCBA) is tank attached to the back of the wearer that supplies air
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