OSHA 30 | 160 questions| Correct 100%

Why must employers conduct evaluations of the workplace? - ANSWERSTo ensure that respirators are properly cleaned, stored, and repaired. B. To ensure that employees are properly using respiratory protection. C. To find ineffective procedures that need to be changed in the current written program. Which of the following would be considered safe respirator practice(s)? - ANSWERS Which of the following are forms of contaminants? - ANSWERSDusts created by grinding, sanding, or drilling a larger material. B. Fumes created when solids are vaporized at high temperatures, and then condense. C. Mists created when liquids are boiled, mixed, sprayed, or plated. To select a proper respirator, you should consider: - ANSWERSHow long the worker will be in the contaminated environment. B. The oxygen level in the atmosphere. C. The type of contaminant in the atmosphere. What is the quickest way a contaminant can enter your body? - ANSWERSlungs An atmosphere-supplying respirator should be used when: - ANSWERSThe concentration of airborne contaminants is IDLH. B. You do not know the exact nature or toxicity of the contaminant. C. The oxygen level in the atmosphere is below 19.5%. A good fit of the respirator facepiece: - ANSWERSA. Is one where the nose is not pinched. B. Is a secure and comfortable one. C. Is one where the user can move his or her head and talk without interfering with the fit. One of the drawbacks of self-contained breathing apparatus (SCBA) is that: - ANSWERSYou must carefully monitor the time because there is a limited supply of air in the tank True or False: It is not always the length of time you are exposed to a contaminant, but the concentration or toxicity of the contaminant that determines the hazard. This means that in some cases you could immediately be in danger with even a small leak. - ANSWERSTrue A visual inspection and seal check should be performed before every use because: - ANSWERSA. The facepiece, breathing tubes, or air hoses can deteriorate. B. Valves may loosen.