HAZWOPER 40: Lesson 7 Questions with correct answers

The two main types of positive-pressure respirators are pressure-demand and: CORRECT ANSWER Continuous flow The assembly that has been approved by MSHA and NIOSH to protect against organic vapors is tested against only a single challenge substance. That substance is: CORRECT ANSWER Two types of fit tests can be performed. The first is a qualitative fir test, which exposes the wearer to irritants (stannic chloride) or substances that have distinctive odors or tastes. The second type of test is the: CORRECT ANSWER Cartridges usually attach directly to the respirator face-piece. The larger volume canisters attach to the chin of the face-piece or are carried with a harness and attached to the face-piece by: CORRECT ANSWER A breathing tube