TFS Mid term Questions With Complete Solutions
At what psi does the primary low air alarm cease operation?
a) 100 psi
b) 150 psi
d) 200 psi
c) 250 psi Correct Answer d
How many channels does each command have? Correct Answer
16 per command
How many TAC channels are there in East command? Correct
Answer 6
Limitations of SCBA are:
a) weather and water
b) confide space entry
d) radioactive materials
e) all of the above Correct Answer E
SCBA failure is broken into two categories what are they?
Correct Answer Fail open and Fail close
The F/G channel is also what channel when its out of range?
Correct Answer Talk Around
The regular delivers a mime of:
a) 450 L/min
, b) 350 L/min
c) 250 L/min
d) 150 L/min Correct Answer B
True or false HUD indicators for air status are
- 4 green LEDS = 75-100%
- 3 green LEDS = 50- 74%
- 2 yellow LEDS = 36- 49%
- 1 red LED = 0-35% Correct Answer True
True or false: the HUD left side is alarm indicators and the ride
side is the air level indicators. Correct Answer True
True or False: The power supply module records the most recent
35 hours of usage. Correct Answer False
30 hours of usage
True or False: The primary low air alarm operates when cylinder
is down to approximately 1570psi or 30% remaining. Correct
Answer FALSE
1575 psi or 35% remaining
True or false: When turning on your SCBA, you turn your valve
fully and turn 1/4 back to relieve pressure from the valve seat.
Correct Answer True
At what psi does the primary low air alarm cease operation?
a) 100 psi
b) 150 psi
d) 200 psi
c) 250 psi Correct Answer d
How many channels does each command have? Correct Answer
16 per command
How many TAC channels are there in East command? Correct
Answer 6
Limitations of SCBA are:
a) weather and water
b) confide space entry
d) radioactive materials
e) all of the above Correct Answer E
SCBA failure is broken into two categories what are they?
Correct Answer Fail open and Fail close
The F/G channel is also what channel when its out of range?
Correct Answer Talk Around
The regular delivers a mime of:
a) 450 L/min
, b) 350 L/min
c) 250 L/min
d) 150 L/min Correct Answer B
True or false HUD indicators for air status are
- 4 green LEDS = 75-100%
- 3 green LEDS = 50- 74%
- 2 yellow LEDS = 36- 49%
- 1 red LED = 0-35% Correct Answer True
True or false: the HUD left side is alarm indicators and the ride
side is the air level indicators. Correct Answer True
True or False: The power supply module records the most recent
35 hours of usage. Correct Answer False
30 hours of usage
True or False: The primary low air alarm operates when cylinder
is down to approximately 1570psi or 30% remaining. Correct
Answer FALSE
1575 psi or 35% remaining
True or false: When turning on your SCBA, you turn your valve
fully and turn 1/4 back to relieve pressure from the valve seat.
Correct Answer True
