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Respiratory Protection & Safety – M275 (22 mins)
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1
A disposable mask is the simplest type of atmosphere-supplying respirator.
True
False
2
A mask that filters out 95% of the particles in the air will be marked with an "N95" efficiency code.
True
False
3
An estimated 5 million workers in the U.S. wear respirators while they are doing their job.
True
False
4
A particulate respirator will become increasingly difficult to breathe through as its filter fills up with trapped contaminants.
True
False
5
A "half mask" respirator covers your face from your hairline to below your chin.
True
False
6
Chemical filters called "sorbents" are used by particulate respirators to protect you from airborne contaminants.
True
False
7
Using the wrong filter in a respirator can be just as dangerous as not wearing any respirator at all.
True
False
8
"Tight-fitting" respirators depend on an airtight seal against your face to prevent airborne contaminants from leaking inside where you can breathe them.
True
False
9
A filter's "service life" is the length of time that it can protect you against airborne contaminants.
True
False
10
Wearing a respirator on the job does not place any particular physical demands on the people who use them.
True
False