Chapter 3 Flashcards
Cylinders shall be changed when the pressure gauge indicator falls below ________
5000 psi
Cuts and scratches involving the outer surfaces
Level 1
Cuts that have penetrated through outer layers of plastic and have cut the fiber over-wrap threads
Level 2
Cuts greater than level 2 or cuts that exposed bare metal
Level 3
Cylinders with damage greater than level 1 should be
Placed out of service
Hydrostatically tested every
5 years
Cylinders _____ and older must be removed from service
15 years
Does the Teflon sealing gasket need lubrication?
No
Check the batteries by depressing the yellow reset button______
Once
The harness and back frame, colored flow test date sticker should ensure harness has been tested within
The last year of the current date
When air drops below ________, your vibralert will function and the red light on your hud should be flashing____ a second
1800 psi
10 times a second
When the air pressure drops to approximately _______, the hud should indicate a yellow light.
2750 psi (1/2)
When the air pressure drops to approximately _______, the hud should indicate a single green light.
4000 psi (3/4)
Pre alert mode at ______
20 seconds
Enter Alarm mode at_______
12 seconds
Reset the pak alarm by pressing the reset button twice, you will hear _____chirps
Three quick
The alarm should begin sounding a loud, _____ part alarm tone, accompanied by the_____ signal light flashing on and off.
3 part
Red signal light
Reset the pak alarm by pressing the reset button
Once
When resetting the pak alarm, push the reset button once, the alarm should stop chirping and the _____ light should turn ________.
Red light
Green
The Scott SCBA needs to remain motionless for ______
32 seconds
Pre alert mode, remain motionless for ____seconds, indicated by _____ lights alternating ______ a second.
20 seconds
Red
Once a second
HUD, the lights stay on for _____ after turning on the cylinder, then should be 2 green indicating full cylinder.
20 seconds
The pak alert will sound ________when turning on a cylinder
Three quick chirps
Rotate the purge ______, for free air from the spray bar
180 degrees counterclockwise
Rotate the purge _________, to fully close
180 degrees clockwise
Turning off the pak alert.
The pak alert will check for zero air pressure for ______ and will turn off if it senses that all pressure has been discharged.
15 seconds
If the pak alert chirps once a second and the unit fails to sound the _______ beep deactivation tone
Two beep
Rit pak
The low pressure whistle should sound at _______ cylinder pressure.
25% (1300 psi)
