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:  When two materials rub against each other and cause friction results, what type of energy is created?
A: Kinetic energy in the form of pressure
B: Torsional
C: Mechanical energy in the form of heat
D: Torque

2:  What is the thermal column of heated gases and smoke that rises into the air above a fire called?
A: A dome
B: A vector
C: A plume
D: A tender

3:  What does volatile mean?
A: Pungent or poisonous
B: Inclined to evaporate
C: Unstable or dangerous
D: Potentially explosive

4:  What is the term for the condition that occurs when all the exposed combustibles in a room reach their ignition temperature and burn?
A: Backdraft
B: Flashover
C: Rollover

5:  What is the explosion called that occurs when oxygen is suddenly admitted to a confined area that is very hot and contains large amounts of combustible vapors and smoke?
A: Rollover
B: Backdraft
C: Flashover

6:  Though not itself toxic, carbon dioxide can still injure people. How?
A: By burning the skin
B: By inducing "rapture of the deep"
C: By inflaming the bronchial tubes
D: By displacing oxygen

7:  How long, if at all, can a fire fighter in full protective gear survive flashover?
A: Virtually indefinitely, as long as air lasts
B: Eight to twelve minutes
C: Two to three minutes
D: Just a few seconds

8:  What kind of substance will rise and seek the highest levels in a building?
A: A liquid
B: An isomer
C: A polymer
D: A heated gas

9:  In an enclosed room with a fire in it, where are the highest temperatures?
A: Along the floor
B: In a column in the middle of the room
C: At the ceiling
D: In the lower corners of the room

10:  Fires can spread in 4 different ways. Which way involves transfer of heat by invisible waves?
A: Radiation
B: Conduction
C: Convection
D: Direct flame contact

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