JB learning ch. 3 exam questions and
answers
A drag rescue device (DRD)is a component of the: -
correct answer ✅Protective coat
An oxygen deficient atmosphere contains less than _____ percent
oxygen -
correct answer ✅19.5
When should PPE exposed to hazardous conditions should undergo
an initial reduction of contaminants? -
correct answer ✅At the scene before returning to the station
Pressure readings on an SCBA cylinder gauge and remote pressure
gauge do not differ by more than ____ %? -
correct answer ✅10
Recent studies have identified which hazard related to the use of
protective hoods? -
correct answer ✅Transfer of carcinogens from the hood to the
skin.
, JB learning ch. 3 exam questions and
answers
SCBA cylinders of aluminum, steel, and carbon fiber must be
hydrostatically tested every________ years -
correct answer ✅5
Smoke contains ________ highly toxic products of combustion of
physical states of matter -
correct answer ✅3
The function of a RIC/UAC is to provide air for: -
correct answer ✅Emergency refilling of a low air cylinder
The multi layered or quilted layer of structural firefighting
protective clothing is the: -
correct answer ✅Thermal barrier
Turnout coats and trousers have a protective system that consists of
how many layers? -
correct answer ✅3
What is a commonly used technique for conserving SCBA air? -
correct answer ✅Skip breathing
answers
A drag rescue device (DRD)is a component of the: -
correct answer ✅Protective coat
An oxygen deficient atmosphere contains less than _____ percent
oxygen -
correct answer ✅19.5
When should PPE exposed to hazardous conditions should undergo
an initial reduction of contaminants? -
correct answer ✅At the scene before returning to the station
Pressure readings on an SCBA cylinder gauge and remote pressure
gauge do not differ by more than ____ %? -
correct answer ✅10
Recent studies have identified which hazard related to the use of
protective hoods? -
correct answer ✅Transfer of carcinogens from the hood to the
skin.
, JB learning ch. 3 exam questions and
answers
SCBA cylinders of aluminum, steel, and carbon fiber must be
hydrostatically tested every________ years -
correct answer ✅5
Smoke contains ________ highly toxic products of combustion of
physical states of matter -
correct answer ✅3
The function of a RIC/UAC is to provide air for: -
correct answer ✅Emergency refilling of a low air cylinder
The multi layered or quilted layer of structural firefighting
protective clothing is the: -
correct answer ✅Thermal barrier
Turnout coats and trousers have a protective system that consists of
how many layers? -
correct answer ✅3
What is a commonly used technique for conserving SCBA air? -
correct answer ✅Skip breathing
