and Answers
1. Matter exists in _____ states.
A) 3
B) 4
C) 5
D) 6 - Answer-A) 3
2. Which is one of the three factors in solid fuel configuration?
A) Surface-to-mass ratio
B) Chemical composition
C) Moisture content
D) Heat release rate - Answer-A) Surface-to-mass ratio
3. What is the term for temperature in a room reaching the point where all exposed
surfaces in room ignite?
A) Autoignition
B) Flashover
C) Backdraft
D) Rollover - Answer-B) Flashover
4. Heat rising within a structure is primarily caused by which form of heat transfer?
A) Circulation
B) Radiation
C) Conduction
D) Convection - Answer-D) Convection
5. What is the term for the spontaneous ignition of hot gases at the upper level of a
room?
A) Ghosting
B) Flashover
C) Rollover
D) Mushrooming - Answer-C) Rollover
6. The majority of fires are extinguished by which method?
A) Cooling the fuel
B) Excluding oxygen
C) Suppressing vapor emission
D) Inhibiting the chemical chain reaction - Answer-A) Cooling the fuel
7. Which material has the highest thermal conductivity?
, A) Concrete
B) Wood
C) Copper
D) Air - Answer-C) Copper
8. Flashover is a rapid transition into the ___________ stage of fire development.
A) growth
B) decay
C) fully developed
D) incipient - Answer-C) fully developed
9. Fires involving combustible cooking oils and fats are Class:
A) K.
B) B.
C) G.
D) D. - Answer-A) K.
10. The majority of civilian fire injuries occur in which type of occupancy?
A) Retail/office
B) Industrial/manufacturing
C) Educational/institutional
D) Residential - Answer-D) Residential
11. What is the second stage of fire development?
A) Growth
B) Rollover
C) Fully developed
D) Incipient - Answer-A) Growth
12. Which situation is indicated when you open a door and the smoke thins, but the
smoke still fills the door?
A) The fire has reached thermal equilibrium.
B) The fire has ventilated through another opening.
C) There is a slow-moving, low-intensity fire.
D) The fire is below the level of the door. - Answer-D) The fire is below the level of the
door.
13. The lowest temperature at which a liquid or solid produces enough flammable vapor
to burn briefly is its:
A) fire point.
B) ignition temperature.
C) flammable range.
D) flash point. - Answer-D) flash point.
14. What is the area within a structure where heat, smoke, and air move from areas of
higher pressure to lower pressure?