HAZMAT TECHNICIAN COMBINED
SET QUESTIONS WITH CORRECT
ANSWERS
Monitoring Instruments - Answer-Hazard control zones are an estimate in the early
stages of the incident. The Incident Commander should move towards a more definitive
assessment by using which tool that is available at his/her disposal?
10% of the LEL - Answer-When determining the flammability of a hazardous material
while using a combustible gas indicator, what percentage will indicate an IDLH action
level of the lower explosive limit (LEL)?
Two in / Two out - Answer-Most hot zone operations can be performed with a minimum
of 4 personnel within the hot zone as long as a buddy system is used following OSHA's
________________ rule.
Evacuation - Answer-Which public protection action is a controlled relocation of people
from an area of known danger or unacceptable risk to a safer area or one where the risk
is considered to be acceptable?
Full-scale Evacuation - Answer-Some situations that may justify a _______________
include: (1) Large leaks involving flammable and/or toxic gases from large-capacity
storage containers and process units; (2) Large Quantities of materials that could
detonate or explode, damaging additional process units, structures, and storage
containers in the immediate area; (3)Leaks and releases that are difficult to control and
could increase in size and duration; (4) Whenever the IC determines the release cannot
be controlled and facility personnel and/or the general public area at risk.
Personnel Accountability - Answer-The primary purpose of establishing three different
hazard control zones within the isolation perimeters is to provide the highest level of
control and _______________ for all responders working at the emergency scene.
Operations - Answer-Once the staging area is established, it becomes an element of
which section within the incident command structure?
Determine the Identity - Answer-Responders rely on monitoring instruments to
____________________ of unknown substances through a systematic process.
Container Shapes - Answer-A rule of thumb is, "if you can't identify, then try to classify."
Basic classification clues include occupancy and location, _______________, placards
and labels, monitoring and detection instruments, and senses.
,Drums - Answer-What non-bulk packaging is a cylindrical package constructed of metal,
plastic, and fiberboard with a typical capacity of 55 gallons?
Bungs - Answer-The plugs that screw into closed head drum openings are called
_______________.
Steel - Answer-Of the different drum materials, which is the most common for use with
flammable and combustible liquids?
Plastic - Answer-Of the different drum materials, which is best suited for use with
corrosive liquids?
Overpack Drum - Answer-What type of drum is used for transporting damaged or
leaking non-bulk containers of all types and sizes?
Corrosives - Answer-What hazard class is common content for non -bulk packaging
using carboys?
IM 101 - Answer-The _______________ is an intermodal container that is classified as
non-pressurized container, that has fittings on the top and bottom ends, and is capable
of carrying flammable liquids.
Tube Module - Answer-Intermodal container that consists of stainless steel cylinders
permanently mounted in a frame with service pressures higher than 2400 psi and can
carry pressurized gases such as helium.
MC-312 / DOT-412 - Answer-These cargo tanks have a narrow circular cross section
with visible stiffening rings, heavy rollover protection, spill boxes on top indicating
loading location, and carries corrosives.
MC-306 / DOT-406 - Answer-These cargo tanks have an round or oval cross-section,
normally constructed of steel or aluminum, carries flammable and combustible liquids
(e.g., gasoline, diesel fuel and fuel oils).
MC-307 / DOT-407 - Answer-These cargo tanks have a stainless steel circular cross-
section or non-insulated version with visible strengthening rings; total capacity of 5,000 -
8,000 gallons; carries flammable and combustible liquids, poisons, mild corrosives, and
chemicals with a vapor pressure of 18 psi at 100°F (37.8°C) or greater but not more
than 40 psi at 170°F (44°C). Known as the workhorse of the chemical industry.
MC-330 / MC-331 - Answer-These cargo tanks have seamless or welded steel circular
cross-section with rounded ends or heads; pressures of 100 psi - 500 psi; single shell,
noninsulated tank; upper two thirds painted white or highly reflective color; capacity
2,500 gallons (bob tail) - 11,500 gallons (cargo); carries liquefied gases, primarily
, propane, butane and anhydrous ammonia. Will also transport high hazard or high vapor
pressure class 3, 4, 6 and 8 materials.
MC-338 - Answer-These cargo tanks have well-insulated steel tanks with thermos bottle
design and flat tank ends; operating pressure 22 psi; typically marked as refrigerated
liquid; double-shell tank with vapor discharge from relief valves; carries cryogenic liquids
as well as flammable and toxic cryogenic liquids.
Pressure Tank Car - Answer-This tank car has a steel tank with rounded ends, an
insulated jacket, and fittings located in a protective housing on top of the car, they can
carry up to 34,500 gallons of flammable or poisonous gases.
Type C Packaging - Answer-This radioactive packaging is used to transport radioactive
materials by aircraft and is able to withstand a 200-mile per hour crash into an
unyielding target.
Open Floating Roof - Answer-These atmospheric pressure liquid storage tanks are
characterized by a wind grinder and ladder leading to the roof.
High-Pressure Spherical Tank - Answer-Contains flammable and non-flammable
liquefied gases (e.g., LPG, anhydrous ammonia, chlorine, and vinyl chloride), found at
filling / distribution centers.
Pig - Answer-What is used to separate different products being transported through the
pipeline from the originating point where they exit the pipeline?
Markers on a Pipeline - Answer-Pipeline content, Pipeline operator, emergency
telephone number
3 Feet - Answer-Whats distance from the package is the transport index (TI) maximum
level of radiation in millirems per hour allowed?
Department of Transportation (DOT) - Answer-Packaging used for transporting
hazardous materials is regulated by which entity?
Yellow III - Answer-Which radioactive label would be applied to a package containing
high radiation levels and/or fissile class materials?
Hazard Assessment - Answer-____________________ is the assessment of the
hazards that may be involved in the incident, including the collection and interpretation
of hazard and response information.
Hazardous Materials Databases - Answer-The Technical Information Center,
____________________, and Monitoring Instruments are all considered sources of
data and information when gathering information on the hazardous materials involved in
an incident.
SET QUESTIONS WITH CORRECT
ANSWERS
Monitoring Instruments - Answer-Hazard control zones are an estimate in the early
stages of the incident. The Incident Commander should move towards a more definitive
assessment by using which tool that is available at his/her disposal?
10% of the LEL - Answer-When determining the flammability of a hazardous material
while using a combustible gas indicator, what percentage will indicate an IDLH action
level of the lower explosive limit (LEL)?
Two in / Two out - Answer-Most hot zone operations can be performed with a minimum
of 4 personnel within the hot zone as long as a buddy system is used following OSHA's
________________ rule.
Evacuation - Answer-Which public protection action is a controlled relocation of people
from an area of known danger or unacceptable risk to a safer area or one where the risk
is considered to be acceptable?
Full-scale Evacuation - Answer-Some situations that may justify a _______________
include: (1) Large leaks involving flammable and/or toxic gases from large-capacity
storage containers and process units; (2) Large Quantities of materials that could
detonate or explode, damaging additional process units, structures, and storage
containers in the immediate area; (3)Leaks and releases that are difficult to control and
could increase in size and duration; (4) Whenever the IC determines the release cannot
be controlled and facility personnel and/or the general public area at risk.
Personnel Accountability - Answer-The primary purpose of establishing three different
hazard control zones within the isolation perimeters is to provide the highest level of
control and _______________ for all responders working at the emergency scene.
Operations - Answer-Once the staging area is established, it becomes an element of
which section within the incident command structure?
Determine the Identity - Answer-Responders rely on monitoring instruments to
____________________ of unknown substances through a systematic process.
Container Shapes - Answer-A rule of thumb is, "if you can't identify, then try to classify."
Basic classification clues include occupancy and location, _______________, placards
and labels, monitoring and detection instruments, and senses.
,Drums - Answer-What non-bulk packaging is a cylindrical package constructed of metal,
plastic, and fiberboard with a typical capacity of 55 gallons?
Bungs - Answer-The plugs that screw into closed head drum openings are called
_______________.
Steel - Answer-Of the different drum materials, which is the most common for use with
flammable and combustible liquids?
Plastic - Answer-Of the different drum materials, which is best suited for use with
corrosive liquids?
Overpack Drum - Answer-What type of drum is used for transporting damaged or
leaking non-bulk containers of all types and sizes?
Corrosives - Answer-What hazard class is common content for non -bulk packaging
using carboys?
IM 101 - Answer-The _______________ is an intermodal container that is classified as
non-pressurized container, that has fittings on the top and bottom ends, and is capable
of carrying flammable liquids.
Tube Module - Answer-Intermodal container that consists of stainless steel cylinders
permanently mounted in a frame with service pressures higher than 2400 psi and can
carry pressurized gases such as helium.
MC-312 / DOT-412 - Answer-These cargo tanks have a narrow circular cross section
with visible stiffening rings, heavy rollover protection, spill boxes on top indicating
loading location, and carries corrosives.
MC-306 / DOT-406 - Answer-These cargo tanks have an round or oval cross-section,
normally constructed of steel or aluminum, carries flammable and combustible liquids
(e.g., gasoline, diesel fuel and fuel oils).
MC-307 / DOT-407 - Answer-These cargo tanks have a stainless steel circular cross-
section or non-insulated version with visible strengthening rings; total capacity of 5,000 -
8,000 gallons; carries flammable and combustible liquids, poisons, mild corrosives, and
chemicals with a vapor pressure of 18 psi at 100°F (37.8°C) or greater but not more
than 40 psi at 170°F (44°C). Known as the workhorse of the chemical industry.
MC-330 / MC-331 - Answer-These cargo tanks have seamless or welded steel circular
cross-section with rounded ends or heads; pressures of 100 psi - 500 psi; single shell,
noninsulated tank; upper two thirds painted white or highly reflective color; capacity
2,500 gallons (bob tail) - 11,500 gallons (cargo); carries liquefied gases, primarily
, propane, butane and anhydrous ammonia. Will also transport high hazard or high vapor
pressure class 3, 4, 6 and 8 materials.
MC-338 - Answer-These cargo tanks have well-insulated steel tanks with thermos bottle
design and flat tank ends; operating pressure 22 psi; typically marked as refrigerated
liquid; double-shell tank with vapor discharge from relief valves; carries cryogenic liquids
as well as flammable and toxic cryogenic liquids.
Pressure Tank Car - Answer-This tank car has a steel tank with rounded ends, an
insulated jacket, and fittings located in a protective housing on top of the car, they can
carry up to 34,500 gallons of flammable or poisonous gases.
Type C Packaging - Answer-This radioactive packaging is used to transport radioactive
materials by aircraft and is able to withstand a 200-mile per hour crash into an
unyielding target.
Open Floating Roof - Answer-These atmospheric pressure liquid storage tanks are
characterized by a wind grinder and ladder leading to the roof.
High-Pressure Spherical Tank - Answer-Contains flammable and non-flammable
liquefied gases (e.g., LPG, anhydrous ammonia, chlorine, and vinyl chloride), found at
filling / distribution centers.
Pig - Answer-What is used to separate different products being transported through the
pipeline from the originating point where they exit the pipeline?
Markers on a Pipeline - Answer-Pipeline content, Pipeline operator, emergency
telephone number
3 Feet - Answer-Whats distance from the package is the transport index (TI) maximum
level of radiation in millirems per hour allowed?
Department of Transportation (DOT) - Answer-Packaging used for transporting
hazardous materials is regulated by which entity?
Yellow III - Answer-Which radioactive label would be applied to a package containing
high radiation levels and/or fissile class materials?
Hazard Assessment - Answer-____________________ is the assessment of the
hazards that may be involved in the incident, including the collection and interpretation
of hazard and response information.
Hazardous Materials Databases - Answer-The Technical Information Center,
____________________, and Monitoring Instruments are all considered sources of
data and information when gathering information on the hazardous materials involved in
an incident.
