SCBA Maintenance and Inspection
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Questions and Answers

What is the correct sequence of actions to perform when checking the function of the regulator?

  • Open the bypass knob, then open the cylinder valve, then shut off the regulator
  • Shut off the regulator, then open the cylinder valve, then open the bypass knob (correct)
  • Open the cylinder valve, then open the bypass knob, then shut off the regulator
  • Open the cylinder valve, then shut off the regulator, then open the bypass knob

    • What should happen when the power module sounds during the test?

  • The primary high pressure warning alarm sounds
  • The primary low pressure warning alarm sounds briefly (correct)
  • The PASS alarm sounds repeatedly
  • The system shuts off automatically

    • What is the purpose of pressing the release buttons on the side of the regulator?

  • To shut off the regulator (correct)
  • To turn on the regulator
  • To adjust the pressure setting
  • To check for air leaks

    • What should happen to the buddy lights during the test?

    <p>They flash green and then red</p> Signup and view all the answers

    What is the consequence of not being able to maintain a negative pressure in the facepiece?

    <p>The SCBA should not be used</p> Signup and view all the answers

    What is the primary purpose of holding the facepiece against the face during functional testing?

    <p>To create an effective seal and verify negative pressure</p> Signup and view all the answers

    What is the acceptable range of pressure gauge readings on the control module during testing?

    <p>Within a 5% range of the cylinder pressure</p> Signup and view all the answers

    What is the function of the reset buttons on the control module?

    <p>One resets the motion alarm, and the other resets the manual alarm</p> Signup and view all the answers

    What is the correct step to perform before conducting functional tests on the SCBA?

    <p>Check the pressure gauge on the cylinder valve to verify that the cylinder is full</p> Signup and view all the answers

    What is the purpose of the bypass knob or purge cover on the regulator during functional testing?

    <p>To purge any air from the system before testing</p> Signup and view all the answers

    What should you do to the control module to reset the PASS alarm?

    <p>Press the reset button on the left side of the control module twice within approximately one second</p> Signup and view all the answers

    What should you inspect on the second stage regulator hose before using it?

    <p>The entire hose for bulging, deterioration, dirty O-rings or seals, cracks, debris, tears, holes, stickiness, signs of heat or chemical-related damage, or other visible signs of damage</p> Signup and view all the answers

    What should you do to the facepiece after attaching the regulator?

    <p>Don the facepiece or hold the facepiece against the face to create an effective seal</p> Signup and view all the answers

    What should you check for after inhaling sharply to start air flow?

    <p>All of the above</p> Signup and view all the answers

    What should you do to the bypass knob after the full alarm sounds?

    <p>Close the bypass knob (clockwise)</p> Signup and view all the answers

    What is the minimum pressure at which the primary low pressure warning device should alarm?

    <p>200 psi</p> Signup and view all the answers

    How do you reset the PASS alarm?

    <p>Press the reset button twice within approximately one second</p> Signup and view all the answers

    What should happen to the buddy lights during the test?

    <p>They should flash red</p> Signup and view all the answers

    How do you ensure a proper seal on the facepiece?

    <p>By attaching the regulator and inhaling sharply</p> Signup and view all the answers

    What should you do when the system pressure falls below 200 psi?

    <p>Turn the control module off (sleep mode)</p> Signup and view all the answers

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