Hazardous Materials Technician Final
Exam Questions with 100% Correct
Answers Latest Versions 2025 Graded
A+
If you respond to an incident involving an MC-306/DOT-406 carrying
ethanol-blended gasoline, you'll need to suppress the fire using:
Class B foam-alcohol resistant concentrate
An MC-306/DOT-406 cargo tank is found to be leaking gasoline from a
number of small, regular punctures. The easiest method of stopping
the leaks would be:
plugging with small pine plugs
One important safety consideration for choosing power or hand tools
for product removal/transfer operations is whether the tool:
is non-sparking
To fix a leaking pressure relief valve gasket on a chlorine rail tank car,
you could tighten the stud nuts OR:
Apply the hood assembly
A valve/plug assembly should be used to:
Replace a missing plug
Proper care of tools and equipment used to control hazardous
materials releases includes all of the following EXCEPT:
Thoroughly washing all parts with a chlorine bleach solution
When grounding a damaged tank, place the clamp:
Low enough on the grounding rod so that foam, if used, will build up around
the clamp
The object of bonding is to:
Keep objects at the same electrical potential, decreasing or eliminating any
chance of a static spark
When setting up a mass decon corridor, it should be located:
Upwind from the incident site
,During an extensive decon operation, the step that would be
performed just PRIOR to "SCBA Removal" involving Level B
protective clothing is:
Perform technical decontamination
When preparing to decontaminate, pay special attention to
contaminants that can affect:
PPE and monitoring equipment
Identify THREE emergency situations that can endanger the wearer of
a CPC suit
Loss of suit integrity, disruption in radio communications, and loss of air
supply
Match each ICS Position with its function
Decontamination Unit Leader= Determine the level of decontamination
required
Entry Unit Leader= Supervises the entry team and makes
recommendations about control activities in the hot zone
Assistant Safety Officer Hazmat= Responsible for the safety of all
personnel operating in the hot zone
Information/Research= Provides information on the hazards present and
chemical compatibility of protective clothing and equipment
Identify the item in the confined space shown here that indicates the
space has been isolated
B- the Tags
Displacement using a non-flammable gas is one procedure for:
Inerting
The decontamination method that causes a contaminant to bond
chemically with another substance is:
Adsorption
Identify TWO cargo transfer methods that can be applied to ALL
TYPES of MC-306/DOT-406, MC-307/DOT-407. and MC-312/DOT-412
cargo tanks
Internal valves and loading/unloading lines
Identify TWO concerns to address when evaluating a pump for use in
a removal/transfer operation
Ignition source and chemical compatibility
, When using loading/unloading lines on a MC-360/DOT-306 cargo tank
for a product transfer, be sure that:
The unloading line is below the fuel level in the tank
Vent and burn operations are usually conducted by:
Container or product specialists
The Incident Commander has decided to change the size of the
danger zone to halt the spread of this methyl ethyl badstuff leak. As a
Technician-level responder, you should consider all of the following
tactical action options EXCEPT:
Plugging the hold in the drum
A site safety plan contains information specifically targeted at
keeping responders safe
True
A typical plan of action is based on all of the following EXCEPT:
The Incident Commander's knowledge of the hazardous materials behavior
model
All of the following factors should be considered when selecting the
proper level of respiratory protection EXCEPT:
The ability to refill SCBA cylinders
Identify THREE factors that can affect the selection and use of an APR
at a HazMat incident
Whether the acid/gas filtration and purification devices to be used at this
incident have passed their expiration date for use, Concentration of
hazardous vapors in the atmosphere, Concentration of oxygen in the
atmosphere
Match each component on the air line respirator with its functions
4= Delivers breathable air to the regulator
3= Bypasses regulator and provides air directly to the facepiece
1=Contains a small reserve of compressed breathing air
2= Protects the wearer's face
CPC suits can be difficult to work in and can increase responder
stress. Identify FOUR issues that are standard sources of additional
stress associated with the use of CPC
Reduced visibility, added weight, heat stress, reduced mobility
All of the following statements are TRUE EXCEPT:
Exam Questions with 100% Correct
Answers Latest Versions 2025 Graded
A+
If you respond to an incident involving an MC-306/DOT-406 carrying
ethanol-blended gasoline, you'll need to suppress the fire using:
Class B foam-alcohol resistant concentrate
An MC-306/DOT-406 cargo tank is found to be leaking gasoline from a
number of small, regular punctures. The easiest method of stopping
the leaks would be:
plugging with small pine plugs
One important safety consideration for choosing power or hand tools
for product removal/transfer operations is whether the tool:
is non-sparking
To fix a leaking pressure relief valve gasket on a chlorine rail tank car,
you could tighten the stud nuts OR:
Apply the hood assembly
A valve/plug assembly should be used to:
Replace a missing plug
Proper care of tools and equipment used to control hazardous
materials releases includes all of the following EXCEPT:
Thoroughly washing all parts with a chlorine bleach solution
When grounding a damaged tank, place the clamp:
Low enough on the grounding rod so that foam, if used, will build up around
the clamp
The object of bonding is to:
Keep objects at the same electrical potential, decreasing or eliminating any
chance of a static spark
When setting up a mass decon corridor, it should be located:
Upwind from the incident site
,During an extensive decon operation, the step that would be
performed just PRIOR to "SCBA Removal" involving Level B
protective clothing is:
Perform technical decontamination
When preparing to decontaminate, pay special attention to
contaminants that can affect:
PPE and monitoring equipment
Identify THREE emergency situations that can endanger the wearer of
a CPC suit
Loss of suit integrity, disruption in radio communications, and loss of air
supply
Match each ICS Position with its function
Decontamination Unit Leader= Determine the level of decontamination
required
Entry Unit Leader= Supervises the entry team and makes
recommendations about control activities in the hot zone
Assistant Safety Officer Hazmat= Responsible for the safety of all
personnel operating in the hot zone
Information/Research= Provides information on the hazards present and
chemical compatibility of protective clothing and equipment
Identify the item in the confined space shown here that indicates the
space has been isolated
B- the Tags
Displacement using a non-flammable gas is one procedure for:
Inerting
The decontamination method that causes a contaminant to bond
chemically with another substance is:
Adsorption
Identify TWO cargo transfer methods that can be applied to ALL
TYPES of MC-306/DOT-406, MC-307/DOT-407. and MC-312/DOT-412
cargo tanks
Internal valves and loading/unloading lines
Identify TWO concerns to address when evaluating a pump for use in
a removal/transfer operation
Ignition source and chemical compatibility
, When using loading/unloading lines on a MC-360/DOT-306 cargo tank
for a product transfer, be sure that:
The unloading line is below the fuel level in the tank
Vent and burn operations are usually conducted by:
Container or product specialists
The Incident Commander has decided to change the size of the
danger zone to halt the spread of this methyl ethyl badstuff leak. As a
Technician-level responder, you should consider all of the following
tactical action options EXCEPT:
Plugging the hold in the drum
A site safety plan contains information specifically targeted at
keeping responders safe
True
A typical plan of action is based on all of the following EXCEPT:
The Incident Commander's knowledge of the hazardous materials behavior
model
All of the following factors should be considered when selecting the
proper level of respiratory protection EXCEPT:
The ability to refill SCBA cylinders
Identify THREE factors that can affect the selection and use of an APR
at a HazMat incident
Whether the acid/gas filtration and purification devices to be used at this
incident have passed their expiration date for use, Concentration of
hazardous vapors in the atmosphere, Concentration of oxygen in the
atmosphere
Match each component on the air line respirator with its functions
4= Delivers breathable air to the regulator
3= Bypasses regulator and provides air directly to the facepiece
1=Contains a small reserve of compressed breathing air
2= Protects the wearer's face
CPC suits can be difficult to work in and can increase responder
stress. Identify FOUR issues that are standard sources of additional
stress associated with the use of CPC
Reduced visibility, added weight, heat stress, reduced mobility
All of the following statements are TRUE EXCEPT:
