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Respirator: Quiz

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Question 1: ________ NIOSH standards define the following categories of particulate filters:
AlaskaPhilippinesCanadaUnited States

Question 2: Haslett in 1848 for his 'Haslett's Lung Protector,' which filtered dust from the air using one-way clapper valves and a filter made of moistened ________ or a similar porous substance.
CottonSilkSpandexWool

Question 3: ________
Technology during World War IWestern Front (World War I)Poison gas in World War IParticipants in World War I

Question 4: Both European standards test filter penetration with both dry ________ and paraffin oil aerosols, after storing the filters at 70 °C and −30 °C for 24 h each.
Sodium chlorideSodium hydroxideSodium sulfateSodium carbonate

Question 5: Respirators range from cheaper, single-use, disposable ________ to reusable models with replaceable cartridges.
MaskIranPuppetryAfrican traditional masks

Question 6: In some devices certain means were provided for the adsorption of ________ in exhaled air and the rebreathing of the same air many times; in other cases valves were provided for exhalation of used air.
Carbon cycleCarbon sinkCarbon dioxideGreenhouse gas

Question 7: For example, someone who is painting an object with spray paint could wear a half-face respirator, but someone who works with ________ gas would have to wear a full-face respirator.
ChlorineNitrogenOxygenHydrogen

Question 8: A respirator is a device designed to protect the wearer from inhaling harmful ________, fumes, vapors, and/or gases.
Air pollutionDustRoadParticulate

Question 9: The Second Battle of Ypres was the first time ________ used chemical weapons on a large scale on the Western Front in World War I.
PolandGermanyGreeceNetherlands

Question 10: Some respirators are designed to remove fine particulate matter such as the ________ created during various woodworking processes.
DustCometAir pollutionRoad







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