ERG Classifications Questions

Question 1

1. How do you extinguish a large fire involving a substance from this container at night and moderate winds?

Non Pressure/ Low pressure

a. You don’t, you run
b. Use water spray
c. You don’t, you evacuate to the appropriate isolation distance
d. Use dry chem

Answer 1

b. Use water spray

Question 2

2. A fire during the day with low wind has engulfed this container, what is the best water source to use?

MC331,TC331, SCT331

a. 45mm pre-connect
b. 65mm pre-connect
c. Master Stream
d. Bumper Line

Answer 2

c. Master Stream

Question 3

3. What’s the initial isolation for a leak coming out of this container during the day and high winds?

TC423

a. 100m
b. 800m
c. 1600m
d. 500m

Answer 3

d. 500m

Question 4

4. What is the DOT hazard class number for Tetranitromethane?
   a. 9
   b. 5
   c. 1
   d. 8

Answer 4

b. 5

Question 5

5. What is the DOT hazard class for Difluoromethane?
   a. 7
   b. 6
   c. 3
   d. 2

Answer 5

d. 2

Question 6

6. What is the DOT hazard class for UN# 1621?
   a. 6
   b. 4
   c. 8
   d. 1

Answer 6

a. 6

Question 7

7. What is the DOT Hazard Class for Hexanes?
   a. Corrosive
   b. Flammable Liquid
   c. Miscellaneous
   d. Flammable Gas

Answer 7

b. Flammable Liquid

Question 8

8. What do you use to control this product if spilled on the ground?

Corrosive 1789

a. dry sand
b. General purpose (all wick) absorbent pads
c. Oil (oil wick) absorbent pads
d. earth

Answer 8

a. dry sand

Question 9

9. Best choice to extinguish large fire involving a water reactive substance is to use?
   a. Water
   b. Aqueous Film-forming Foam (AFFF)
   c. Alcohol Resistance Film-Forming Foam (ARFFF)
   d. Let it burn

Answer 9

d. Let it burn

Question 10

10. What do you do for a chemical burn if someone is contaminated with the product propylene tetramer?
    a. spray effected area with water for 3 mins
    b. spray effected area with water for 20mins
    c. don’t do anything, wait for paramedics
    d. spray effected area with water for as long as possible

Answer 10

d. spray effected area with water for as long as possible

Question 11

11. It’s 0300 hours and you have a small spill of Sulfur Dioxide with moderate winds, how far down wind do you need to protect everyone?
    a. 2.6km
    b. 100m
    c. 1.6km
    d. 0.6km

Answer 11

a. 2.6km

Question 12

12. What does hazard identification code 368 mean?

a. Flammable or self-heating solid, toxic
b. Flammable liquid, toxic, corrosive
c. Toxic substance, corrosive
d. Corrosive or slightly corrosive substance, toxic

Answer 12

b. Flammable liquid, toxic, corrosive

Question 13

13. What can happen when a container with UN ID number 1991 is involved in a fire?
    a. Produce Toxic Inhalation Hazard
    b. Fire becomes larger
    c. Polymerize
    d. None of the above

Answer 13

c. Polymerize

Question 14

14. For Hazard Identification Numbers, if a number is prefixed by the letter ‘X’, means?
    a. Substance is highly unstable
    b. Substance is an explosive
    c. Substance has an unknown hazard
    d. Substance will react dangerously with water

Answer 14

d. Substance will react dangerously with water

Question 15

15. What is considered a large spill according to the Green Tables in ERG?
    a. More than 208 liters or 55 gallons
    b. Road Trailer and Rail Car containers
    c. More than 20 liters or 5 gallon
    d. All the above

Answer 15

a. More than 208 liters or 55 gallons

Question 16

16. What are the four types of decontamination?
    a. Immediate, Mass, Technical, Reduce
    b. Gross, Mass, Immediate, Technical
    c. Immediate, Emergency, Mass, Complete
    d. Gross, Technical, Mass, Emergency

Answer 16

d. Gross, Technical, Mass, Emergency

Question 17

17. If the outdoor temperature exceeds 30 C, the protective action distance may be?
    a. Smaller
    b. Larger
    c. Temperature has no influence on the protective action distance
    d. none of the above

Answer 17

b. Larger

Question 18

18. Protective action distance are larger at night because?
    a. More difficult to determine distance at night
    b. At night, airborne contaminants settle to the ground faster
    c. At night, airborne contaminants travel much farther downwind
    d. At night, you always factor 10% more to your downwind distance

Answer 18

c. At night, airborne contaminants travel much farther downwind

Question 19

19. If the product includes the reference (when spilled in water) the protective action distance is the grater of Table 1 or Table 2 generated gases.
    a. True
    b. False

Answer 19

b. False

Question 20

20. Choose spill control methods?
    a. Diking
    b. Damming
    c. Absorption
    d. All of the above

Answer 20

d. All of the above

Question 21

21. Water spray cools batteries and helps suppress and slow the release of toxic gases and stops the chemical reaction (thermal runaway)?
    a. True
    b. False

Answer 21

b. False

Question 22

22. LPGs does not include which gas?
    a. Gasoline
    b. Propane
    c. Butane
    d. Isobutane

Answer 22

a. Gasoline

Question 23

23. Main hazards from a LPG BLEVE are?
    a. Radiation, Burn, Toxic Fumes, Explosion
    b. Fire, Thermal Radiation, Blast, Projectiles
    c. Vapour Cloud, Debris, Flash, Heat
    d. Fire, Toxic Fumes, Shock Wave, Loud Noise

Answer 23

b. Fire, Thermal Radiation, Blast, Projectiles

Question 24

24. Which Types of buried pipeline are marked?
    a. Distribution
    b. Gathering
    c. Transmission
    d. All of the above

Answer 24

c. Transmission

Question 25

25. The product Trifluoroacetyl chloride is on fire. What’s the isolation distance? a. 100m b. 800m c. 30m d. 1600m

Answer 25

d. 1600m

Question 26

26. What’s the Mandatory Evacuation Distance for a suspected IED in a briefcase? a. 46m b. 564m c. 100m d. 300m

Answer 26

a. 46m

Question 27

27. Where are shipping papers found if Dangerous Goods are travelled by Rail? a. In a holder on the outside of the engine b. Possession of a crew member c. In the caboose d. All of the above

Answer 27

b. Possession of a crew member

Question 28

28. Which one is not an indication of pipeline leaks and rupture? a. An area of frozen ground in the summer b. Liquids bubbling in water c. An audible alarm d. Distinctive unusual odor of rotten eggs

Answer 28

c. An audible alarm

Question 29

29. What’s the downwind distance of this product leaking out of 5gallon pail at night? a. 100m b. 1000m c. 30m d. 1100m

Answer 29

d. 1100m

Question 30

30. what gas is produced when this chemical is spilled in water? X80 3456 a. NO2 b. PH3 c. HCl d. HF

Answer 30

a. NO2

Question 31

31. What’s the immediate precautionary measure for this product if spilled during the day in high wind? X80 3456 a. Isolate spill or leak in all direction for at least 50m b. Isolate spill or leak in all direction for at least 25m c. Isolate spill or leak in all directions for 30m d. Isolate spill or leak in all directions for 200m

Answer 31

c. Isolate spill or leak in all directions for 30m

Question 32

32. What Class is this chemical? X80 3456 a. Class 1 Explosive b. Class 8 Corrosive c. Class 6 Infectious Substance d. Class 9 Miscellaneous

Answer 32

b. Class 8 Corrosive

Question 33

33. What’s the downwind distance of the product Ethylene Oxide spilling from a rail car at night with high wind? a. 200m b. 700m c. 100m d. 800m

Answer 33

d. 800m

Question 34

35. What’s the emergency response distance for a possible BLEVE with a 2000 litre propane container? a. 111m b. 100m c. 800m d. 1600m

Answer 34

a. 111m

Question 35

37. A Nerve Agent is: Substances that interfere with cell respiration (the exchange of oxygen and carbon dioxide between blood and tissues). a. True b. False

Answer 35

b. False

Question 36

38. A Chocking Agent is: Substances that cause physical injury to the lungs. Exposure is through inhalation. a. True b. False

Answer 36

True

Question 37

39. What’s the protective action distances from a release of a small canister of Tear gas? a. 25m b. 100m c. 200m d. 50m

Answer 37

c. 200m