NFPA Hazmat OPS Study Guide Fire Prevention and Public
Education for Fire Service Officers
Multiple Choice
1. What is the approximate flash point of diesel fuel?
A. 49°C to 60°C (120°F to 140°F)
B. 60°C to 71°C (140°F to 160°F)
C. 71°C to 82°C (160°F to 180°F)
D. 82°C to 93°C (180°F to 200°F)
2. Which signal word on the label of a bag of pesticide means that the
product is moderately toxic?
A. Caution
B. Danger
C. Warning
D. Poison
3. Normal temperature and pressure (NTP) for vapour pressures assume a
standard ambient temperature of: A. 0°C (32°F).
B. 20°C (68°F).
C. 70°C (158°F).
D. 100°C (212°F).
pg. 1
,9. What is the temperature at which a flammable liquid will ignite without the need
for an external ignition source?
A. Fire point
B. Flash point
C. Self-sustaining temperature
D. Ignition temperature
10. How would a fuel/air mixture in which there is not enough fuel be described?
A. Too fuel rich
B. Starved
C. Too fuel lean
D. Preignited
11. What characteristic of a gas is quantified as its vapour density?
A. Its tendency to dissipate in open air
B. Its weight relative to air
C. How much moisture it contains
D. How thickly it boils
12. What is the vapour density of air?
A. 14.7
B. 3.1
C. 1.7
D. 1
pg. 2
, 13. What does the letter C stand for in 4H MEDIC ANNA?
A. Contain
B. Carbon dioxide
C. Casualties
D. Carbon monoxide
14. What quantity is the weight of a liquid as compared to an equal volume of
water?
A. Vapour density
B. Atmospheric pressure
C. Specific gravity
D. Buoyancy
16. What term refers to the ability of a material to cause damage on contact to
skin, eyes, or other body parts? A. Organicity
B. Volatility
C. Corrosivity
D. Reactivity
17. Which of the following pH values would indicate a strong acid?
A. 9.5
B. 7.0
C. 6.3
D. 1.7
pg. 3
Education for Fire Service Officers
Multiple Choice
1. What is the approximate flash point of diesel fuel?
A. 49°C to 60°C (120°F to 140°F)
B. 60°C to 71°C (140°F to 160°F)
C. 71°C to 82°C (160°F to 180°F)
D. 82°C to 93°C (180°F to 200°F)
2. Which signal word on the label of a bag of pesticide means that the
product is moderately toxic?
A. Caution
B. Danger
C. Warning
D. Poison
3. Normal temperature and pressure (NTP) for vapour pressures assume a
standard ambient temperature of: A. 0°C (32°F).
B. 20°C (68°F).
C. 70°C (158°F).
D. 100°C (212°F).
pg. 1
,9. What is the temperature at which a flammable liquid will ignite without the need
for an external ignition source?
A. Fire point
B. Flash point
C. Self-sustaining temperature
D. Ignition temperature
10. How would a fuel/air mixture in which there is not enough fuel be described?
A. Too fuel rich
B. Starved
C. Too fuel lean
D. Preignited
11. What characteristic of a gas is quantified as its vapour density?
A. Its tendency to dissipate in open air
B. Its weight relative to air
C. How much moisture it contains
D. How thickly it boils
12. What is the vapour density of air?
A. 14.7
B. 3.1
C. 1.7
D. 1
pg. 2
, 13. What does the letter C stand for in 4H MEDIC ANNA?
A. Contain
B. Carbon dioxide
C. Casualties
D. Carbon monoxide
14. What quantity is the weight of a liquid as compared to an equal volume of
water?
A. Vapour density
B. Atmospheric pressure
C. Specific gravity
D. Buoyancy
16. What term refers to the ability of a material to cause damage on contact to
skin, eyes, or other body parts? A. Organicity
B. Volatility
C. Corrosivity
D. Reactivity
17. Which of the following pH values would indicate a strong acid?
A. 9.5
B. 7.0
C. 6.3
D. 1.7
pg. 3
