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PRO BOARD HAZMAT TECH EXAM | QUESTIONS |
WITH COMPLETE SOLUTIONS/NEWEST UPDATE
Questions and Correct Answers/ Latest Update /
Already Graded
Role of the Hazmat Tech?
Ans: Individuals who respond in an offensive mode to stop releases of potential
releases.
What or how many resources should be used to survey and incident?
Ans: The data collected should be verified using multiple/other resources
available to the responder.
What are the determinants for non-bulk containers?
Ans: Capacity and packaging.
What are Carboys?
Ans: Non-bulk containers that do not exceed 20 gallons and are encased in
outer protective packaging.
What are Cylinders?
Ans: Non-Bulk container with a valve and pressure relief devices in the for of
relief valves, rupture disks, or fusible plugs.
What are the two types of Drums/barrels?
Ans: Open or closed head.
What are the plugs that close drums called?
© 2025/ 2026 | ® All rights reserved
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Ans: Bungs.
What are the 9 hazard classes?
Ans: 1.Explosives
2. Gases
3. Flammable liquids
4. Flammable solids
5. Oxidizing
6. Toxic and infectious
7. Radioactive
8. Corrosives
9. Miscellaneous
What are drums used to contain?
Ans: Both liquid and solid hazards.
What is an IBC?
Ans: Intermediate Bulk Containers.
Maximum internal pressure of ton container?
Ans: 500psi
Examples of what Ton containers hold?
Ans: Chlorine, Phosgene, ammonia
Capacity of intermediate bulk containers (IBC)?
Ans: 5000 pounds
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Example of what Intermediate bulk containers hold? (IBC)
Ans: Caustic Powders
Possible contents of portable tanks/totes?
Ans: Syrup and ketchup
What is the bottom discharge or a portable tank/tote?
Ans: Quarter-turn ball valve, parallel position so open perpendicular is closed.
Characteristics of MC.306/DOT-406
Ans: Low pressure, Oval ends, underbelly outlets, rollover spill rails, example of
cargo is gasoline. Max capacity 9000 gallons
Wet load
Ans: Vehicle may have fuel in the bottom piping
MC 307/DOT 407
Ans: Low pressure chemical tanks, MAC capacity of 7000 gallons, flammable and
corrosive liquids Max psi 40
MC 312/DOT 412
Ans: Corrosive liquids Max capacity if 6000 gallons max psi of 50, round or
horseshoe ends
MC-331
© 2025/ 2026 | ® All rights reserved
PRO BOARD HAZMAT TECH EXAM | QUESTIONS |
WITH COMPLETE SOLUTIONS/NEWEST UPDATE
Questions and Correct Answers/ Latest Update /
Already Graded
Role of the Hazmat Tech?
Ans: Individuals who respond in an offensive mode to stop releases of potential
releases.
What or how many resources should be used to survey and incident?
Ans: The data collected should be verified using multiple/other resources
available to the responder.
What are the determinants for non-bulk containers?
Ans: Capacity and packaging.
What are Carboys?
Ans: Non-bulk containers that do not exceed 20 gallons and are encased in
outer protective packaging.
What are Cylinders?
Ans: Non-Bulk container with a valve and pressure relief devices in the for of
relief valves, rupture disks, or fusible plugs.
What are the two types of Drums/barrels?
Ans: Open or closed head.
What are the plugs that close drums called?
© 2025/ 2026 | ® All rights reserved
, 2 | Page
Ans: Bungs.
What are the 9 hazard classes?
Ans: 1.Explosives
2. Gases
3. Flammable liquids
4. Flammable solids
5. Oxidizing
6. Toxic and infectious
7. Radioactive
8. Corrosives
9. Miscellaneous
What are drums used to contain?
Ans: Both liquid and solid hazards.
What is an IBC?
Ans: Intermediate Bulk Containers.
Maximum internal pressure of ton container?
Ans: 500psi
Examples of what Ton containers hold?
Ans: Chlorine, Phosgene, ammonia
Capacity of intermediate bulk containers (IBC)?
Ans: 5000 pounds
© 2025/ 2026 | ® All rights reserved
, 3 | Page
Example of what Intermediate bulk containers hold? (IBC)
Ans: Caustic Powders
Possible contents of portable tanks/totes?
Ans: Syrup and ketchup
What is the bottom discharge or a portable tank/tote?
Ans: Quarter-turn ball valve, parallel position so open perpendicular is closed.
Characteristics of MC.306/DOT-406
Ans: Low pressure, Oval ends, underbelly outlets, rollover spill rails, example of
cargo is gasoline. Max capacity 9000 gallons
Wet load
Ans: Vehicle may have fuel in the bottom piping
MC 307/DOT 407
Ans: Low pressure chemical tanks, MAC capacity of 7000 gallons, flammable and
corrosive liquids Max psi 40
MC 312/DOT 412
Ans: Corrosive liquids Max capacity if 6000 gallons max psi of 50, round or
horseshoe ends
MC-331
© 2025/ 2026 | ® All rights reserved
