Answers
Pressure readings on an SCBA cylinder gauge and the regulator or remote pressure gauge
should not differ by more than ____ psi.
a. 100 psi (700 kPa)
b. 200 psi (1400 kPa)
c. 250 psi (1700 kPa)
d. 50 psi (350 kPa) Correct Ans-a. 100 psi (kPa)
Which type of breathing apparatus recycles the users exhaled air?
a. Closed circuit
b. Powered air
c. Supplied air
d. Air-purifying respirator Correct Ans-a. Closed circuit
How much of the body is structural personal protective equipment (PPE) designed to cover?
a. All but the ears
b. All but the wrists
c. Every square inch
d. All but the neck Correct Ans-c. Every square inch
, What is the purpose of the personal alert safety system (PASS)?
a. Sound an alarm when certain gases are detected
b. Sound an alarm if ambient temperatures exceed a specified level
c. Sound an alarm if a fire fighter is motionless for a set period of time
d. Warn fire fighters when their air supply is low Correct Ans-c. Sound an alarm if a fire
fighter is motionless for a set period of time
Smoke has ____ major components.
a. 5
b. 3
c. 2
d. 4 Correct Ans-b. 3
Which NFPA standard deals with protective ensembles for structural and proximity firefighting?
a. 1981
b. 1971
c. 1500
d. 1472 Correct Ans-b. 1971
What is a commonly used technique for conserving SCBA air?
a. Skip breathing
b. Pursed-lip breathing