JFRD MSA G1 SCBA EXAM 2025
QUESTIONS AND ANSWERS 100%
PASS
The G1 SCBA is a _________________________certified by the National Institute for
Occupational Safety and Health (NIOSH) for use in atmospheres immediately
dangerous to life or health (IDLH): - ✔✔pressure-demand, self-contained breathing
apparatus (SCBA)
What does IDLH mean? - ✔✔Immediately Dangerous to Life or Health
what are the components of the MSA G1 SCBA? - ✔✔(1) GI facepiece
(2) G1 Regulator (Demand valve)
(3) HUD (Heads Up Display),
(4) Pressure reducer with low pressure warning device.
(5) control module
(6) Power module
(7) cylinder valve assembly
(8) carrier harness
(9) speaker module (optional)
THE MSA G1 supplies the user with ____________________ from a compressed air
cylinder via a pressure reducer, a regulator and a face-piece. - ✔✔Breathable air
COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED 1
, What does PASS stand for?: - ✔✔Personal Alert Safety System
When a user remains motionless for________seconds, the PASS device goes into full
alarm to alert those around the user - ✔✔30
When a user remains motionless for________seconds, the PASS device goes into pre-
alarm to alert those around the user - ✔✔18-20
How many standard components does the G1 SCBA consists of? - ✔✔8
What is another name of the G1 regulator? - ✔✔Demand Valve
what does HUD stand for? - ✔✔Heads Up Display
what does the HUD allow the user to see? - ✔✔the cylinder pressure (right side) and
alarm status (left side)
What component does the HUD receive power from? - ✔✔The power module
How many LED lights are inside the HUD? - ✔✔7
What is the service time for a 45 min/ 4500 psi cylinder when it reaches 1575 psi
(35%)? - ✔✔16 mins (approximately)
At what pressure and percentage will the primary low pressure warning alarm go
off? - ✔✔approximately 35 % (+/-) 2% or 1575 psi
The PASS device on the G1 SCBA is made up of three components: - ✔✔battery
module, power module, and control module.
what does the control module do? - ✔✔-The G1 control module is the user's interface
with the SCBA and PASS device.
what does the power module do? - ✔✔-The power module serves as the power
supply and provides all of the information for the control module, regulator and
speaker module.
what type of batteries are inside the battery module? - ✔✔six C-cell batteries.
COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED 2
QUESTIONS AND ANSWERS 100%
PASS
The G1 SCBA is a _________________________certified by the National Institute for
Occupational Safety and Health (NIOSH) for use in atmospheres immediately
dangerous to life or health (IDLH): - ✔✔pressure-demand, self-contained breathing
apparatus (SCBA)
What does IDLH mean? - ✔✔Immediately Dangerous to Life or Health
what are the components of the MSA G1 SCBA? - ✔✔(1) GI facepiece
(2) G1 Regulator (Demand valve)
(3) HUD (Heads Up Display),
(4) Pressure reducer with low pressure warning device.
(5) control module
(6) Power module
(7) cylinder valve assembly
(8) carrier harness
(9) speaker module (optional)
THE MSA G1 supplies the user with ____________________ from a compressed air
cylinder via a pressure reducer, a regulator and a face-piece. - ✔✔Breathable air
COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED 1
, What does PASS stand for?: - ✔✔Personal Alert Safety System
When a user remains motionless for________seconds, the PASS device goes into full
alarm to alert those around the user - ✔✔30
When a user remains motionless for________seconds, the PASS device goes into pre-
alarm to alert those around the user - ✔✔18-20
How many standard components does the G1 SCBA consists of? - ✔✔8
What is another name of the G1 regulator? - ✔✔Demand Valve
what does HUD stand for? - ✔✔Heads Up Display
what does the HUD allow the user to see? - ✔✔the cylinder pressure (right side) and
alarm status (left side)
What component does the HUD receive power from? - ✔✔The power module
How many LED lights are inside the HUD? - ✔✔7
What is the service time for a 45 min/ 4500 psi cylinder when it reaches 1575 psi
(35%)? - ✔✔16 mins (approximately)
At what pressure and percentage will the primary low pressure warning alarm go
off? - ✔✔approximately 35 % (+/-) 2% or 1575 psi
The PASS device on the G1 SCBA is made up of three components: - ✔✔battery
module, power module, and control module.
what does the control module do? - ✔✔-The G1 control module is the user's interface
with the SCBA and PASS device.
what does the power module do? - ✔✔-The power module serves as the power
supply and provides all of the information for the control module, regulator and
speaker module.
what type of batteries are inside the battery module? - ✔✔six C-cell batteries.
COPYRIGHT © 2025 BY SOPHIA BENNETT, ALL RIGHTS RESERVED 2
