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Monday, July 21, 2014

Firehouse - Watch Out for this One: Difficult Monthly Quiz- Note You Have to Go Back to Original Site for Test To Work



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 Quiz of the Month
Maryland Fire and Rescue Institute, University of Maryland


IMPORTANT NOTE--- YOU HAVE TO GO BACK TO ORIGINAL SITE FOR THIS TO WORK
TO TAKE QUIZ AND GET SCORE, :
http://www.firehouse.com/monthly-quiz 
July 2014
Firefighter I - Building Construction
Each question is worth one point. To check your answers and receive your score click the Grade Quiz button. Your score will appear below.
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Click to find the answers...

1. What is one of the four key characteristics affecting the behavior of building materials under fire conditions?
A: Composition
B: Combustibility
C: Load
D: Stability

2. What does steel do when heated?
A: Contract
B: Harden
C: Elongate
D: Spall

3. In a building fire, you observe warped steel structural members. What is the correct action to take?
A: No specific action is required
B: Direct a hose stream on the members
C: Inform the incident commander of your observations
D: Immediately withdraw from the building

4. Which material is commonly used to protect steel and wood structural members from fire?
A: Gypsum
B: Fiberglass
C: Lightweight concrete slurry
D: Expanded urethane

5. Gypsum board that is exposed to fire for a prolonged time will __________.
A: spall
B: fail
C: delaminate
D: warp

6. What is a commonly used structural material in a Type I building?
A: Treated wood
B: Engineered wood
C: Protected steel
D: Oriented-strand board

7. Which type of construction is called ordinary construction?
A: I
B: II
C: III
D: IV

8. What is Type V construction?
A: Fire resistive
B: Wood frame
C: Ordinary
D: Heavy Timber

9. Which statement about masonry materials is correct?
A: Masonry materials are susceptible to pyrolysis.
B: Masonry materials have high thermal conductivity.
C: Masonry materials expand significantly when heated.
D: Masonry materials are fire resistive.

10. Which material is prone to spalling under fire conditions?
A: Steel
B: Wood
C: Concrete
D: Fiberglass

11. What are laminated glass windows likely to do when exposed to a fire?
A: Crack but remain in place
B: Shatter into small nuggets with dull edges
C: Break irregularly into long, sharp-edged shards
D: Melt

12. The rate of combustion of wood is most directly related to which factor?
A: Age
B: Use of adhesives
C: Volatility
D: Surface area

13. Type II construction is referred to as __________.
A: ordinary
B: fire resistive
C: fire retardant
D: noncombustible

14. Type III construction is usually limited to a maximum height of _____ stories.
A: 2
B: 3
C: 4
D: 5

15. What is Type IV construction?
A: Wood frame
B: Masonry on synthetics
C: Heavy timber
D: Synthetics

16. If heated to a temperature of 1000°F (540°C), how far will a 10-foot (3-meter) steel beam elongate?
A: 1/2 inch (13 mm)
B: 1 inch (25 mm)
C: 2 inches (50 mm)
D: 3 inches (76 mm)

17. Which construction assembly is the most susceptible to total failure resulting from the failure of a single component?
A: Cantilever
B: Truss
C: Bearing wall
D: Roof panel

18. Which construction type is particularly susceptible to extension of fire upward through walls?
A: Balloon frame
B: Ordinary
C: Heavy timber
D: Platform

19. What is a disadvantage of fire-resistive construction?
A: The lack of built-in fire protection systems
B: Non-fire-resistive structural members
C: Difficulty in ventilating the structure
D: Susceptibility to water damage

20. What is the primary fire hazard associated with ordinary construction?
A: Fire extension through concealed spaces
B: High fire loading
C: Difficulty in ventilating the structure
D: Heat-related failure of steel trusses

Quiz Score: out of 20


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