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FFHB - Chapter 13

True/False
Indicate whether the sentence or statement is true or false.
 

 1. 

Connections are the strong points of a truss.
 

 2. 

Gusset plates absorb heat faster than wood.
 

 3. 

Trusses create large void spaces that help control fire spread.
 

 4. 

Synthetic materials produce a higher fire load than ordinary combustibles.
 

 5. 

It is safe to relate a buildings fire rating to a potential time of collapse.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

 6. 

Which of the following statements is incorrect?
a.
Engineered wood structural members perform well under fire conditions.
b.
Generally, the problems presented by roof structures are the framing system or type of truss used and the void space created.
c.
Wood trusses can supply a large fire load in void spaces.
d.
Engineered wood structural members present a large combustible surface.
e.
Building occupants often do not understand the development and travel of fire in void spaces, which can cause a delay in fire department notification.
 

 7. 

The most common construction material is ____.
a.
steel
c.
wood
b.
concrete
d.
aluminum
 

 8. 

Structural steel loses ____% of its strength at 1100 degrees.
a.
25
c.
75
b.
50
d.
none of the above
 

 9. 

During a structure fire, steel members that are heated ____.
a.
contract
c.
glow
b.
expand
d.
stretch
 

 10. 

A load that was anticipated by the engineer is ____.
a.
dead
c.
concentrated
b.
design
d.
distributed
 



 
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