must have breathing couplings that fit or are compatible with another worksite air system
User inspection of an SAR face-piece should include all of the following except:
check head-straps for breaks or tears, loss of elasticity, and missing or malfunctioning buckles.
check face-piece for dirt, cracks, scratches, tears, holes, distortion, or any other signs of deterioration.
check with previous user to make sure the respirator functioned properly and that the individual did not have a communicable disease.
check valves for dust, dirt, residue, cracks, distortion of the valve assembly, and/or missing parts.
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.
The maximum number of hose connections in an SAR system is ______and the maximum hose length is ______.
3 – 100 ft.
2 – 200 ft.
3 – 300 ft.
4- 200 ft.
Which of the following may interfere with the proper seal of the SAR face-piece?