TEEX Hazmat Technician Exam
Questions With Revised Correct
Detailed Answers
Guaranteed Pass
1) Cone Roof Tanks - ANSWER "Atmospheric Storage Tank/Non-Pressure"
- Capacity: 1,000 to 100,000 Barrels (1 Barrel = 42 gal)
- Pressure up to 0.05 psi
- Hazard Class: 3 & 8
- Possible Contents: Flammable & Combustible Liquids, Solvents, Oxidizers, &
Corrosives
- Examples: Xylene, Gasoline, & hydrochloric acid
2) Floating Roof Tanks - ANSWER "Atmospheric Pressure Liquid Storage
Tank"
- Capacity: 1,000 to 500,000 Barrels (1 Barrel = 42 gal)
- Pressure up to 0.05 psi
- Hazard Class: 3 & 8
- Possible Contents: Flammable & Combustible Liquids
- Designed so that when the vapor pressure exceeds a designated limit, the roof
lifts up slightly and relieves the excess pressure
,3) Low Pressure Noded Spheroid Storage Tank - ANSWER - Capacity: 105,000-
1.26 Million gal
- Pressure Range: 0.5-15 psi
- Hazard Class: 2 & 3
- Possible Contents: Lighter Gases & Flammable Liquids
- Examples: LPG, Methane, Propane, & other light gases & certain flammable
liquids such as gasoline and crude oil
- Bulging, ribbed sections (Swelled look)
4) Low Pressure Spheroid Tank - ANSWER - Capacity: 105,000-1.26 million
gallons
- Pressure Range: 0.5-25 psi
- Hazard Class: Lighter Gases in Class 2 and Flammable Liquids in Class 3
- Possible Contents: Flammable and non-flammable liquefied gases
- Examples: LPG, Methane, Propane, & other light gases
5) High-Pressure Facility Tanks - ANSWER "Pressure Vessel"
- Residential Tank Capacity: 100-1,000 gallons
- Industrial Capacity: 1,000-120,000 gal
- Pressure Range: 100-500 psi
- Hazard Class: 100-500 psi
- Possible Contents: Flammable & Non-Flammable Liquefied Gases
- Examples: LPG, CNG, Butane, Hydrogen Chloride, Anhydrous Ammonia, & Vinyl
Chloride
,6) Spherical Storage Tank - ANSWER " High Pressure/Spherical Storage Tank"
- Capacity: Can be as large as 600,000 gal
- Pressure Range: 100-500 psi
- Hazard Class: 2
- Possible Contents: Flammable & Non-Flammable Liquefied gases
- Examples; LPG, Anhydrous ammonia, & vinyl chloride
7) Cryogenic Liquid Tanks - ANSWER - Capacity: 500-200,000 gal (most
common is 1,500-11,000 gal)
- Working Pressure: Up to 250 psi
- Hazard Class: 2.2
- Possible Contents: Cryogenic Liquids
- Examples: Liquid Oxygen, Liquid Nitrogen, Liquid CO2, Liquid Argon, & Liquid
Helium
8) Radioactive Excepted Packaging - ANSWER - 49 Code of Federal
Regulations (CFR) 173.421-426 & 428
- Capacity: Varies
- Hazard Class: 7
- Possible Contents: Material with extremely low levels of radioactivity
- Examples: Consumer Goods, such as smoke detectors
9) Radioactive Industrial Packaging - ANSWER - Capacity: Varies
- Hazard Class: 7
- Possible Contents: Material with extremely low levels of radioactivity
, - Examples: Low activity material and contaminated objects
- Notes:
-- Most low-level waste shipped in these
-- Three Categories: IP-1, IP-2, & IP-3
-- Title 49 CFR Section 173.411 (49 CFR 173.411)
10) Type A Radioactive Packaging - ANSWER - Capacity: Small quantities of
radioactive material with higher concentrations of radioactivity than industrial
packaging
- Hazard Class: 7
- Examples: Nuclear Medicines (radiopharmaceuticals), radioactive waste, and
radioactive sources used in industrial applications
- 49 CFR 173.412
11) Type B Radioactive Packaging - ANSWER - Capacity: Ranges from small,
handheld radiography cameras to heavily shielded steel casks that weigh up to
125 tons
- Typical Construction: Steel inner containment vessel made of glass, plastic, or
metal surrounded with packing material
- Hazard Class: 7
- Possible Content: Material with the highest level of radioactivity
- Examples: Spent Nuclear Fuel, High-level radioactive waste, Cesium & Cobalt
- Not usually vulnerable
- Type B must withstand all Type A tests
