STUDY GUIDE AND BUNDLED PRACTICE
EXAMS GRADED A+ 2026.
◍ The bypass valve on a SCBA is used Answer: in emergency
situations involving a malfunctioning regulator
◍ The first noticeable signs of oxygen deficiency are Answer:
increased respiratory rate and impared muscular coordination
◍ Four hazardous atmospheres that firefighters are likely to encounter
at a fire are Answer: super-heated air, toxic gases, oxygen deficiency,
and smoke
◍ Trapped firefighters awaiting rescue will use less air if they
Answer: control their breathing
◍ The primary function of the bypass valve on SCBA is Answer: for
use if the the regulator fails
◍ The proper position of the bypass valve on positive pressure SCBA
under normal conditions is Answer: fully closed
◍ Hypoxia is Answer: deficiency of oxygen
,◍ Inhaled toxic gases can directly cause Answer: disease of the lung
tissue
◍ What is the first step a firefighter should preform before donning
the SCBA Answer: check the air supply of the SCBA unit
◍ The purpose of a pass device is to Answer: sound an alarm if the
firefighter is motionless for a set period of time
◍ Oxygen deficient atmospheres are those having less then what
percent of oxygen in the air Answer: 19.5%
◍ At the beginning of the shift, the firefighter should make sure the
SCBA is at least what percent full? Answer: 85%
◍ There are two methods that can be used to don SCBA that is stored
in a case Answer: over the head and coat method
◍ Manufacturers should provide users of PPE with what Answer:
Cleaning instructions
◍ The purpose of the use of reflective trim on PPE is to Answer:
increase the visability of the wearer to others
, ◍ Tempered plate glass should be broken only as a last resort. It is
recommended that it be shattered by striking: Answer: at lowest
corner with the pick end of a fire axe
◍ In what type of occupancy will fire fighters usually find sliding
doors? Answer: Residential
◍ Once overhead doors have been forced, they should be: Answer:
blocked open
◍ A K-tool is correctly positioned when the blades bite into the
Answer: cylinder
◍ What tool can be safely carried by two firefighters, although it is
designed to be used by 2-4 firefighters Answer: battering ram
◍ What tool is considered to be a pulling tool Answer: Pike-pole
◍ "Irons" are formed by combining a: Answer: Flathead ax and a
halligan.
◍ What is an example of a hand-powered hydraulic spreader tool
Answer: rabbet tool
◍ What tool iw used to pull out a cylinder lock mounted in a wood or
heavy metal door Answer: K-tool