Chapter Pretests

Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor.

1:  What is the term for the process of removing smoke, heat, and toxic gases from a burning building and replacing them with fresh air?
A: Circulation
B: Ventilation
C: Evacuation
D: Re-aeration

2:  What is the principle of convection?
A: Heated gases will contract and rise
B: Heated gases will contract and sink
C: Cooled gases will expand and sink
D: Heated gases will expand and rise

3:  What does thin, light-colored smoke moving lazily out of a building suggest?
A: A dangerous fire involving fractional hydrocarbons
B: A small fire involving ordinary combustibles
C: A pre-backdraft condition lurking inside
D: Nothing can be inferred from this condition

4:  When breaking glass from a ladder to vent a fire, where should fire fighters position themselves?
A: In the center of the breaking area
B: To the side of the window
C: Under the falling glass, fingers pointing up
D: To the strong-hand side of the opening, only

5:  Where should fire fighters be positioned while cutting a ventilation opening on a roof?
A: On a ladder or platform
B: In the area immediately to the eave side of the opening
C: Near the area immediately to the ridge side of the opening
D: In the prone position, on the windward side of the opening

6:  What is the term for the rabid ignition of heated fire gases when oxygen is introduced into an unvented space?
A: Rapid polymerization
B: Thermal layering
C: Mushrooming
D: Backdraft

7:  What are two types of mechanical ventilation?
A: Natural and horizontal
B: Artesian and convected
C: Negative pressure and positive pressure
D: Skylar and natural

8:  What should be done immediately after breaking the glass in a window?
A: A piece of barrier tape should be placed across the opening
B: The window frame should be cleared of all remaining glass
C: The outside wall adjacent to the opening should be flagged so it can be seen from the corner
D: The opening should be laddered and the ladder left there for the duration

9:  What is the technique used when fire fighters test the firmness of a roof by striking it with an axe or other tool?
A: Probing
B: Echoing
C: Querying
D: Sounding

10:  What are the two major components in most roof systems?
A: Truss and solid beam
B: Support structure and roof covering
C: Columnar design and truss support
D: Tetrahedral and square

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