Answers
Which type truss has a curved upper member and straight low member?
a. engineered
b. open web
c. lightweight
d. bowstring Correct Ans-d. bowstring
Which construction assembly is the most susceptible to total failure resulting from the failure of
a single component?
a. truss
b. bearing wall
c. cantilever
d. roof panel Correct Ans-a. truss
Which statement about structural steel is correct?
a. structural steel maintains its shape when exposed to high temperatures
b. structural steel is susceptible to fatigue
c. structural steel is very strong under both tension and compression
d. temperatures commonly produced in fires exceed structural steel's melting point Correct
Ans-c. structural steel is very strong under both tension and compression
,What is the primary fire hazard of ordinary construction?
a. high fire loading
b. fire extension through concealed spaces
c. difficulty in ventilating the structure
d. heat-related failure of steel trusses Correct Ans-b. fire extension through concealed spaces
Which tool is commonly used to provide a secure work platform for the fire fighters working on
pitched roof?
a. pike pole
b. safety rope
c. halligan
d. roof ladder Correct Ans-d. roof ladder
Which term means the weight of a building's content?
a. tare weight
b. gross building weight
c. live load
d. dead load Correct Ans-c. live load
Which material is commonly used to protect steel and wood structural members from fire?
a. gypsum
, b. lightweight concrete slurry
c. fiberglass
d. expanded urethane Correct Ans-a. gypsum
In a building fire, you observe warped steel structural members. What is the correct action to
take?
a. direct a hose on the members
b. inform the incident commander of your observations
c. no specific action is required
d. immediately withdraw from the building Correct Ans-d. immediately withdraw from the
building
What is the primary fire hazard associated with ordinary construction?
a. difficulty in ventilating the structure
b. high fire loading
c. fire extension through concealed spaces
d. heat-related failure of steel trusses Correct Ans-c. fire extension through concealed spaces
Which metal is used in building construction primarily as a coating to protect metal parts from
rust and corrosion?
a. manganese
b. zinc