ERG 2025 Classification and Promotional Exam Questions Flashcards
What is the DOT hazard class number for Tetranitromethane?
a) 9
b) 5
c) 1
d) 8
b) 5 (pg6)
What is the DOT hazard class for Difluoromethane?
a) 7
b) 6
c) 3
d) 2
d) 2 (pg6)
What is the DOT hazard class for UN# 1621?
a) 6
b) 4
c) 8
d) 1
a) 6 (pg232 then pg6)
What is the DOT Hazard Class for Hexanes?
a) Corrosive
b) Flammable Liquid
c) Miscellaneous
d) Flammable Gas
b) Flammable Liquid (pg186)
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
d) Let it burn (pg353)
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 20 mins
c) don’t do anything, wait for paramedics
d) spray effected are with water for as long as possible
d) spray effected are with water for as long as possible (pg187)
It’s 0300 hours and you have a small spill of Sulfur Dioxide with moderate winds, how far down wind do you need to be to protect everyone?
a) 2.6km
b) 100m
c) 1.6km
d) 0.6km
a) 2.6km (pg291)
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
b) Flammable liquid toxic, corrosive (pg19)
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
c) Polymerize (pg192)
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
d) Substance will react dangerously with water (pg18)
What is considered a large spill according to the Green Tables in the 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 of the above
a) More than 208 liters or 55 gallons (pg288)
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
d) Gross, Technical, Mass, Emergency (pg352)
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
b) Larger (pg281)
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
c) At night, airborne contaminants travel much farther downwind (pg281)
T/F: If the product includes the reference (when spilled in water) the protective action distance is the greater of Table 1 or Table 2 generated gases.
False (pg281)
Which of the following are spill control methods?
a) Diking
b) Damming
c) Absorption
d) All of the above
d) all of the above (pg355)
T/F: Water spray cools batteries and helps suppress and slow the release of toxic gases and stops the chemical reaction (thermal runaway).
False (pg.356)
LPG’s does not include which gas?
a) Gasoline
b) Propane
c) Butane
d) Isobutane
a) Gasoline (pg.357)
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
b) Fire, Thermal Radiation, Blast, Projectiles
Which types of buried pipeline are marked?
a) Distribution
b) Gathering
c) Transmission
d) All of the above
c) Transmission (pg23)
The product Trifluoroacetyl chloride is on fire. What’s the isolation distance?
a) 100m
b) 800m
c) 30m
d) 1600m
d) 1600m (pg180)
What’s the Mandatory Evacuation Distance for a suspected IED in a briefcase?
a) 46m
b) 564m
c) 100m
d) 300m
a) 46m (pg367)
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
b) Possession of a crew member (pg0)
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
c) An audible alarm (pg24)
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
d) 800m (pg342)
What’s the emergency response distance for a possible BLEVE with a 2000 litre propane container?
a) 111m
b) 100m
c) 800m
d) 1600m
a) 111m (pg359)
T/F: A nerve agent is: Substances that interfere with cell respiration (the exchange of oxygen and carbon dioxide between blood and tissues).
False (pg365)
T/F: A Chocking Agent is: Substances that cause physical injury to the lungs. Exposure is through inhalation.
True (pg365)
What’s the protective action distances from a release of a small canister of Tear gas?
a) 25m
b) 100m
c) 200m
d) 50m
c) 200m (pg366)
What’s the isolation distance of a Chocking agent release from a small cylinder?
a) 400m
b) 500m
c) 100m
d) 1000m
d) 1000m (pg366)
