Q1. ………… fires occur in
flammable petroleum products of other flammable or combustible liquids,
greases, solvents, paints, and so forth
a)
Class A
b)
Class
B
c)
Class C
Q2. ………… fires involve
energized electrical wiring and equipment.
a)
Class A
b)
Class B
c)
Class
C
Q3. A fourth class of fire, with which the technician should be
familiar, the Class D fire, is defined as fire in
a)
Solid materials
b)
Liquids
c)
flammable
metal
Q4. Class D fires are not commercially considered by the National
Fire Protection Association to be a basic type or category of fire
a)
Class A
b)
Class B
c)
Class
D
Q5. Usually ………… fires involve magnesium in the shop or in aircraft
wheels and brakes, or are the result of improper or poorly conducted welding
operations
a)
Class A
b)
Class B
c)
Class
D
Q6. Water extinguishers are the best type to use on ………… fires
a)
Class
A
b)
Class B
c)
Class C
Q7. ……………. extinguishers are used for Class A, B, and C fires,
extinguishing the fire by depriving it of oxygen
a)
Water type
b)
Carbon
dioxide (CO₂)
c)
Halogented
Q8. Never use CO₂ on ……….. fires
a)
Class A
b)
Class B
c)
Class
D
Q9. ………… fire extinguishers generally use the selfexpelling method
of operation
a)
Water type
b)
Carbon
dioxide (CO₂)
c)
Halogented
Q10.
Halogenated hydrocarbon
extinguishers are most effective on …………. Fires
a)
Class A and C
b)
Class
B and C
c)
Class A and B
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