UPDATED ACTUAL Exam Questions and
CORRECT Answers
What are the Four Common Hazardous Atmospheres (TOES) - CORRECT ANSWER✔✔-
Toxic atmospheres
Oxygen Deficient
Elevated Temperatures
Smoke
What percentage of oxygen does normal breathing air contain?
a) 25%
b) 24%
c) 22%
d) 21% - CORRECT ANSWER✔✔- D
What percentage of oxygen do you start feeling the systems of "Muscular impairment,
increased rate of breathing?"
a) 16% Minus
b 20% Minus
c) 21% Minus
d) 18% Minus - CORRECT ANSWER✔✔- D
What percentage of oxygen do you start feeling the systems of "no immediate effects?"
a) 18 minus
b) 18 plus
c) 21 minus
d) 21 plus - CORRECT ANSWER✔✔- B
,What percentage of oxygen do you start feeling the systems of "dizziness headaches rapid
fatigue?"
a) 14%
b) 12%
c) 15%
d) 13% - CORRECT ANSWER✔✔- B
What percentage of oxygen do you start feeling the systems of unconsciousness?
a) 7%
b) 8%
c) 9%
d) 10% - CORRECT ANSWER✔✔- C
What percentage of oxygen do you start feeling the systems of DEATH?
a) 3%
b) 4%
c) 5%
d) 6% - CORRECT ANSWER✔✔- D
What does MSA stand for?
A. Mine Safety Apparatus
B. Mine Safety Appliances
C. Material Safety Appliances
D. Material Safety Applications - CORRECT ANSWER✔✔- B
What are the major components for the G1 model SCBA?
, a) Cylinder & Valve assembly, Regulator assembly, Carrier and harness assembly, Pressure
reducer with low pressure warning device, Face piece assembly, Heads Up Display, Control
Module, Power Module, Battery Module.
b) Cylinder & Valve assembly, Regulator assembly, Carrier and harness assembly, Pressure
reducer with low pressure warning device, Heads Up Display, Control Module, Power
Module, Battery Module.
c) Cylinder & Valve assembly, Regulator assembly, Pressure reducer with low pressure
warning device, Heads Up Display, Control Module, Power Module, Battery Module.
d) Cylinder & Valve assembly, Regulator assembly, Carrier and harness assembly, Pressure
reducer with low pressure warning device. - CORRECT ANSWER✔✔-
What three colours does the SCBA emit for air levels?
a) Orange, Green, Red
b) Yellow Green, Red
c) Red, Blue, Green
d) SCBA does not emit any colours for air levels - CORRECT ANSWER✔✔- B
True or False: The power supply module records the most recent 35 hours of usage. -
CORRECT ANSWER✔✔- False
30 hours of usage
What psi is the Air cylinders rated at?
a) 4500 psi
b) 4000 psi
c) 3000 psi
d) over 9000 psi - CORRECT ANSWER✔✔- A