Texas Hazardous Materials Technician b b b b
Licensing Exam – b b
Test Questions And Correct Answers (Verified A
b b b b b b b
nswers) Plus Rationales 2026/2027 Q&A | Insta b b b b b b
nt Download Pdf
b b
1.
What is the primary responsibility of a Hazardous Materials Technician at an incid
b b b b b b b b b b b b b
ent scene? b
A) Evacuating civilians b
B) Providing emergency medical care b b b
C) Stopping the release of hazardous substances b b b b b
D) Directing traffic b
Answer: C) Stopping the release of hazardous substances
b b b b b b b
Technicians are trained to approach, contain, and stop hazardous material release
b b b b b b b b b b
s using specialized skills and protective equipment.
b b b b b b
2.
Which of the following is a Level A protective suit primarily designed to provide?
b b b b b b b b b b b b b
A) Splash protection only
b b b
B) Maximum vapor and chemical protection
b b b b b
C) Fire resistance only
b b b
D) Minimal respiratory protection
b b b
Answer: B) Maximum vapor and chemical protection
b b b b b b
Level A protection includes a fully encapsulated suit and SCBA, offering the highest level
b b b b b b b b b b b b b
of respiratory, skin, and eye protection.
b b b b b b
3.
,The Emergency Response Guidebook (ERG) is most useful during which phase of a
b b b b b b b b b b b b
hazardous materials incident?
b b b
A) Termination
b
B) Mitigation
b
C) Initial response
b b
D) Recovery b
Answer: C) Initial response b b b
The ERG provides first responders with quick reference data for initial identification
b b b b b b b b b b b
, protective distances, and immediate actions.
b b b b b
4.
Which U.S. agency regulates the transportation of hazardous materials?
b b b b b b b b
A) OSHA b
B) EPA b
C) DOT b
D) NRC b
Answer: C) DOT b b
The U.S. Department of Transportation oversees labeling, placarding, and safe mo
b b b b b b b b b b
vement of hazardous materials in commerce.
b b b b b
5.
What does the red quadrant on the NFPA 704 diamond represent?
b b b b b b b b b b
A) Health hazard
b b
B) Flammability hazard
b b
C) Reactivity hazard
b b
D) Special information
b b
Answer: B) Flammability hazard b b b
The NFPA 704 red section indicates flammability risk on a 0–
b b b b b b b b b b
4 scale, with higher numbers meaning greater hazard.
b b b b b b b
,6.
When approaching a hazardous material spill, technicians should:
b b b b b b b
A) Approach from uphill and upwind
b b b b b
B) Approach directly downwind
b b b
C) Approach from the lowest point
b b b b b
D) Approach quickly to save time
b b b b b
Answer: A) Approach from uphill and upwind
b b b b b b
Approaching from uphill and upwind reduces exposure to vapors and liquids.
b b b b b b b b b b
7.
A material with a pH of 2 is considered:
b b b b b b b b
A) Neutral
b
B) Weakly alkaline
b b
C) Strongly acidic
b b
D) Strongly alkaline
b b
Answer: C) Strongly acidic b b b
The pH scale below 7 indicates acidity; 2 is considered strongly acidic and highly corro
b b b b b b b b b b b b b b
sive.
8.
Which federal regulation covers worker safety related to hazardous materials?
b b b b b b b b b
A) 29 CFR 1910.120
b b b
B) 40 CFR Part 261
b b b b
C) 49 CFR Part 172
b b b b
D) 29 CFR 1910.134
b b b
Answer: A) 29 CFR 1910.120 b b b b
This is OSHA’s HAZWOPER standard, which governs hazardous waste operations
b b b b b b b b b
and emergency response.
b b
9.
, Which of the following is a sign of chlorine gas exposure?
b b b b b b b b b b
A) Sweet taste in mouth
b b b b
B) Severe eye irritation and coughing
b b b b b
C) Metallic taste
b b
D) Skin blistering only
b b b
Answer: B) Severe eye irritation and coughing
b b b b b b
Chlorine gas causes burning eyes, coughing, chest tightness, and respiratory distre
b b b b b b b b b b
ss.
10.
What is the minimum respiratory protection required for a technician entering an
b b b b b b b b b b b
IDLH (Immediately Dangerous to Life and Health) environment?
b b b b b b b
A) Air-purifying respirator b
B) SCBA (Self-Contained Breathing Apparatus)
b b b
C) N95 mask b
D) Powered Air-Purifying Respirator (PAPR) b b b
Answer: B) SCBA (Self-Contained Breathing Apparatus)
b b b b b
An SCBA provides an independent air supply, making it essential for IDLH atmosphe
b b b b b b b b b b b b
res.
11.
What is the most reliable method to identify an unknown hazardous substance at an
b b b b b b b b b b b b b b
incident scene? b
A) Container shape and size b b b
B) Shipping papers and labels b b b
C) Smelling the substance b b
D) Asking bystanders b
Answer: B) Shipping papers and labels
b b b b b
Shipping papers, placards, and labels provide regulatory identification and are safe
b b b b b b b b b b
r and more reliable than sensory methods.
b b b b b b
Licensing Exam – b b
Test Questions And Correct Answers (Verified A
b b b b b b b
nswers) Plus Rationales 2026/2027 Q&A | Insta b b b b b b
nt Download Pdf
b b
1.
What is the primary responsibility of a Hazardous Materials Technician at an incid
b b b b b b b b b b b b b
ent scene? b
A) Evacuating civilians b
B) Providing emergency medical care b b b
C) Stopping the release of hazardous substances b b b b b
D) Directing traffic b
Answer: C) Stopping the release of hazardous substances
b b b b b b b
Technicians are trained to approach, contain, and stop hazardous material release
b b b b b b b b b b
s using specialized skills and protective equipment.
b b b b b b
2.
Which of the following is a Level A protective suit primarily designed to provide?
b b b b b b b b b b b b b
A) Splash protection only
b b b
B) Maximum vapor and chemical protection
b b b b b
C) Fire resistance only
b b b
D) Minimal respiratory protection
b b b
Answer: B) Maximum vapor and chemical protection
b b b b b b
Level A protection includes a fully encapsulated suit and SCBA, offering the highest level
b b b b b b b b b b b b b
of respiratory, skin, and eye protection.
b b b b b b
3.
,The Emergency Response Guidebook (ERG) is most useful during which phase of a
b b b b b b b b b b b b
hazardous materials incident?
b b b
A) Termination
b
B) Mitigation
b
C) Initial response
b b
D) Recovery b
Answer: C) Initial response b b b
The ERG provides first responders with quick reference data for initial identification
b b b b b b b b b b b
, protective distances, and immediate actions.
b b b b b
4.
Which U.S. agency regulates the transportation of hazardous materials?
b b b b b b b b
A) OSHA b
B) EPA b
C) DOT b
D) NRC b
Answer: C) DOT b b
The U.S. Department of Transportation oversees labeling, placarding, and safe mo
b b b b b b b b b b
vement of hazardous materials in commerce.
b b b b b
5.
What does the red quadrant on the NFPA 704 diamond represent?
b b b b b b b b b b
A) Health hazard
b b
B) Flammability hazard
b b
C) Reactivity hazard
b b
D) Special information
b b
Answer: B) Flammability hazard b b b
The NFPA 704 red section indicates flammability risk on a 0–
b b b b b b b b b b
4 scale, with higher numbers meaning greater hazard.
b b b b b b b
,6.
When approaching a hazardous material spill, technicians should:
b b b b b b b
A) Approach from uphill and upwind
b b b b b
B) Approach directly downwind
b b b
C) Approach from the lowest point
b b b b b
D) Approach quickly to save time
b b b b b
Answer: A) Approach from uphill and upwind
b b b b b b
Approaching from uphill and upwind reduces exposure to vapors and liquids.
b b b b b b b b b b
7.
A material with a pH of 2 is considered:
b b b b b b b b
A) Neutral
b
B) Weakly alkaline
b b
C) Strongly acidic
b b
D) Strongly alkaline
b b
Answer: C) Strongly acidic b b b
The pH scale below 7 indicates acidity; 2 is considered strongly acidic and highly corro
b b b b b b b b b b b b b b
sive.
8.
Which federal regulation covers worker safety related to hazardous materials?
b b b b b b b b b
A) 29 CFR 1910.120
b b b
B) 40 CFR Part 261
b b b b
C) 49 CFR Part 172
b b b b
D) 29 CFR 1910.134
b b b
Answer: A) 29 CFR 1910.120 b b b b
This is OSHA’s HAZWOPER standard, which governs hazardous waste operations
b b b b b b b b b
and emergency response.
b b
9.
, Which of the following is a sign of chlorine gas exposure?
b b b b b b b b b b
A) Sweet taste in mouth
b b b b
B) Severe eye irritation and coughing
b b b b b
C) Metallic taste
b b
D) Skin blistering only
b b b
Answer: B) Severe eye irritation and coughing
b b b b b b
Chlorine gas causes burning eyes, coughing, chest tightness, and respiratory distre
b b b b b b b b b b
ss.
10.
What is the minimum respiratory protection required for a technician entering an
b b b b b b b b b b b
IDLH (Immediately Dangerous to Life and Health) environment?
b b b b b b b
A) Air-purifying respirator b
B) SCBA (Self-Contained Breathing Apparatus)
b b b
C) N95 mask b
D) Powered Air-Purifying Respirator (PAPR) b b b
Answer: B) SCBA (Self-Contained Breathing Apparatus)
b b b b b
An SCBA provides an independent air supply, making it essential for IDLH atmosphe
b b b b b b b b b b b b
res.
11.
What is the most reliable method to identify an unknown hazardous substance at an
b b b b b b b b b b b b b b
incident scene? b
A) Container shape and size b b b
B) Shipping papers and labels b b b
C) Smelling the substance b b
D) Asking bystanders b
Answer: B) Shipping papers and labels
b b b b b
Shipping papers, placards, and labels provide regulatory identification and are safe
b b b b b b b b b b
r and more reliable than sensory methods.
b b b b b b
