Respiratory Protection nstc-11 Module IV: Supplied Airline Respirator (sar) Quiz

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Respiratory Protection

NSTC-11 Module IV: Supplied Airline Respirator (SAR)

Quiz (Revised 8-2010)



  1. What are the configurations (types) of supplied airline respirator (SAR) systems?

    1. positive, negative, and ambient type

    2. pressure-demand, demand, and constant flow type

    3. pressure supply, negative demand, and operational flow type

    4. none of the above

  2. Which of the following is not true about SAR air compressors?

    1. must prevent entry of contaminated air

    2. must deliver specific pressure to the face-piece

    3. must have a change date tag

    4. must have breathing couplings that fit or are compatible with another worksite air system

  3. User inspection of an SAR face-piece should include all of the following except:

    1. check head-straps for breaks or tears, loss of elasticity, and missing or malfunctioning buckles.

    2. check face-piece for dirt, cracks, scratches, tears, holes, distortion, or any other signs of deterioration.

    3. check with previous user to make sure the respirator functioned properly and that the individual did not have a communicable disease.

    4. check valves for dust, dirt, residue, cracks, distortion of the valve assembly, and/or missing parts.

  4. OSHA regulations require that a competent employee be stationed outside a work area to monitor the SAR air supply (compressor) or the compressed air system must have alarms for compressor failure and overheating.

    1. True

    2. False

  1. The maximum number of hose connections in an SAR system is ______and the maximum hose length is ______.

    1. 3 – 100 ft.

    2. 2 – 200 ft.

    3. 3 – 300 ft.

    4. 4- 200 ft.

  2. Which of the following may interfere with the proper seal of the SAR face-piece?

    1. eyeglass temple bars

    2. facial hair, sideburns, goatees

    3. missing dentures

    4. all of the above

  3. How often must an SAR be inspected and who is responsible for this inspection?

    1. The user must inspect the respirator and compressor system before and after use.

    2. The Safety Department must inspect the respirator and compressor system monthly.

    3. The supervisor/foreman must inspect the respirator and compressor system monthly.

    4. There is no need for inspection as long as the respirator and compressor system has a NIOSH label attached and was inspected prior to initial use.

  4. Which statement regarding the use and selection of an SAR is correct?

    1. Demand type supplied air respirators will provide adequate protection in IDLH atmospheres.

    2. The type of contaminant is not a major factor as long as the correct filters are us in the air purification system (breather box).

    3. Proper training, fit testing, medical evaluation, and respirator selection are required for an effective respiratory protection program.

    4. As long as the user feels comfortable while wearing the respirator, he/she can assume they are not breathing in harmful contaminants.

  5. What is the proper procedure for storing an SAR face-piece?

    1. It shall be hung on the wall to prevent moisture build-up and protect it from damage.

    2. It shall be stored in a toolbox or gang box big enough so the mask does not become deformed or crushed.

    3. It shall be hung on an approved “respirator hook” in the open air as long as the user’s name is on the respirator.

    4. It shall be stored in a clean, sanitary location in a sealed container where it is protected from contamination, dust, sunlight, heat, excessive cold or moisture.

  6. Which of the following is not a limitation of the SAR system?

    1. potential for CO buildup

    2. wearer’s mobility restricted due to hose

    3. extremely heavy to wear

    4. loss of air source due to compressor failure

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