Texas CDL Hazmat Endorsement Exam 200 High-Yield
Practice Questions with Answers & Detailed
Rationales Latest Update This Year |PDF
SUMMARIZED COMPRESSED POINT FORM CONTENT AREAS COVERED BY THE
TITLE
Hazmat Regulations Overview: 49 CFR Title, PHMSA enforcement, Hazardous
Materials Table (49 CFR §172.101), UN/NA numbers, proper shipping names,
packing groups (I, II, III), hazardous substances vs. hazardous materials, bulk vs.
non-bulk definitions, limited quantity exceptions.
Hazard Classes & Divisions: All 9 hazard classes in order (Explosives, Gases,
Flammable Liquids, Flammable Solids, Oxidizers, Poisons, Radioactive, Corrosives,
Miscellaneous), divisions within each class, flash point thresholds (flammable
≤60°C, combustible 60-93°C), primary vs. subsidiary hazards, forbidden materials.
Packaging & Labeling: Label size requirements (4 inches), primary vs. subsidiary
labels, UN specification packaging, limited quantity marking, excepted quantities,
proper shipping name markings, UN/NA number markings, radioactive label with
transport index, hazard class labels.
Shipping Papers & Documentation: Required contents (proper shipping name,
hazard class, UN/NA number, packing group, total quantity), correct order of
description, shipper's certification, emergency response information (24-hour phone),
retention period (3 years), hazardous waste manifest, incident reporting (30 days),
driver verification responsibilities.
Placarding & Marking: Placard size (10.8 inches), placement on all 4 sides of
vehicle, threshold quantities for placarding, DANGEROUS placard for mixed loads,
specific placards for single materials, elevated temperature marking (>100°F),
marine pollutant marking, biohazard marking, materials of trade exception (≤1,000
lbs), limited quantity exception.
Security & Training: Training requirements for all hazmat employees, training
frequency (every 3 years), 4 types of training (General Awareness, Function-
Specific, Safety, Security Awareness), TSA security threat assessment for hazmat
endorsement, security plan for high-risk shipments, TWIC card for port access,
security breach identification, record retention (3 years).
, Special & Bulk Packaging: Bulk packaging definition (>119 gallons liquids, >882
pounds solids), non-bulk packaging (≤119 gallons), cargo tanks, portable tanks, rail
tank cars, tank containers, vapor recovery systems, flash point concepts, grounding
and bonding procedures, pressure relief devices, loading/unloading procedures.
Emergency Response & Incident Reporting: First response actions (call 911),
Emergency Response Guidebook (ERG) usage, guide pages for hazard
identification, protective action distances, evacuation distances, shelter-in-place
procedures, isolation distances, National Response Center (NRC) reporting, PHMSA
Hazardous Materials Incident Report (within 30 days), Incident Command System
(ICS), decontamination procedures.
Interference & Stray Current: AC and DC stray current identification, foreign
current sources, interference effects on buried structures, mitigation techniques,
cathodic protection interference testing, telluric current effects.
CP Field Measurements & Equipment: Structure-to-soil potential measurements
(ON/OFF readings), close interval surveys (CIS), soil resistivity testing, pipe/cable
locating, rectifier readings and adjustments, depolarization tests, digital multimeters,
clamp-on ammeters, data loggers, test stations, reference electrodes (Cu/CuSO₄).
Safety & Standards: NACE/AMPP SP0169 standards, electrical safety in field
testing, confined space awareness, hazard identification, Job Safety Analysis (JSA),
personal protective equipment (PPE), code requirements, OSHA regulations.
Interpretation & Reporting: CP data interpretation, identifying underprotection vs.
overprotection, recognizing coating defect impacts, basic mapping techniques, report
preparation, record keeping requirements, data validation, trend analysis.
SECTION 1: Hazardous Materials Regulations Overview (Questions 1–25)
,Question 1
The Hazardous Materials Regulations (HMR) are found in which title of the Code of Federal
Regulations (CFR)?
A) Title 29 CFR
B) Title 40 CFR
C) Title 49 CFR
D) Title 21 CFR
E) Title 42 CFR
Answer: C) Title 49 CFR
Rationale: The Hazardous Materials Regulations (HMR) are found in Title 49 of the Code of
Federal Regulations (49 CFR), Parts 100-185. This is the primary regulatory framework for
hazardous materials transportation. Title 29 is OSHA (workplace safety), Title 40 is EPA
(environmental), and Title 21 is FDA (food/drugs). This is a foundational question frequently
tested on the hazmat endorsement exam.
Question 2
Which federal agency is primarily responsible for enforcing the Hazardous Materials
Regulations?
, A) Federal Motor Carrier Safety Administration (FMCSA)
B) Pipeline and Hazardous Materials Safety Administration (PHMSA)
C) Environmental Protection Agency (EPA)
D) Occupational Safety and Health Administration (OSHA)
E) Department of Transportation (DOT)
Answer: B) Pipeline and Hazardous Materials Safety Administration (PHMSA)
Rationale: PHMSA, a division of the DOT, is the primary agency responsible for developing
and enforcing the Hazardous Materials Regulations. The FMCSA enforces regulations
specifically for motor carriers. The EPA regulates environmental aspects. PHMSA is the key
agency you need to know for hazmat endorsements.
Question 3
What is the purpose of the Hazardous Materials Table (HMT) in 49 CFR 172.101?
A) To list all approved hazmat packaging types
B) To list hazardous materials and their specific shipping requirements
C) To list hazardous materials disposal methods
D) To list emergency response procedures for hazmat incidents
E) To list all hazmat training requirements
Answer: B) To list hazardous materials and their specific shipping requirements
Practice Questions with Answers & Detailed
Rationales Latest Update This Year |PDF
SUMMARIZED COMPRESSED POINT FORM CONTENT AREAS COVERED BY THE
TITLE
Hazmat Regulations Overview: 49 CFR Title, PHMSA enforcement, Hazardous
Materials Table (49 CFR §172.101), UN/NA numbers, proper shipping names,
packing groups (I, II, III), hazardous substances vs. hazardous materials, bulk vs.
non-bulk definitions, limited quantity exceptions.
Hazard Classes & Divisions: All 9 hazard classes in order (Explosives, Gases,
Flammable Liquids, Flammable Solids, Oxidizers, Poisons, Radioactive, Corrosives,
Miscellaneous), divisions within each class, flash point thresholds (flammable
≤60°C, combustible 60-93°C), primary vs. subsidiary hazards, forbidden materials.
Packaging & Labeling: Label size requirements (4 inches), primary vs. subsidiary
labels, UN specification packaging, limited quantity marking, excepted quantities,
proper shipping name markings, UN/NA number markings, radioactive label with
transport index, hazard class labels.
Shipping Papers & Documentation: Required contents (proper shipping name,
hazard class, UN/NA number, packing group, total quantity), correct order of
description, shipper's certification, emergency response information (24-hour phone),
retention period (3 years), hazardous waste manifest, incident reporting (30 days),
driver verification responsibilities.
Placarding & Marking: Placard size (10.8 inches), placement on all 4 sides of
vehicle, threshold quantities for placarding, DANGEROUS placard for mixed loads,
specific placards for single materials, elevated temperature marking (>100°F),
marine pollutant marking, biohazard marking, materials of trade exception (≤1,000
lbs), limited quantity exception.
Security & Training: Training requirements for all hazmat employees, training
frequency (every 3 years), 4 types of training (General Awareness, Function-
Specific, Safety, Security Awareness), TSA security threat assessment for hazmat
endorsement, security plan for high-risk shipments, TWIC card for port access,
security breach identification, record retention (3 years).
, Special & Bulk Packaging: Bulk packaging definition (>119 gallons liquids, >882
pounds solids), non-bulk packaging (≤119 gallons), cargo tanks, portable tanks, rail
tank cars, tank containers, vapor recovery systems, flash point concepts, grounding
and bonding procedures, pressure relief devices, loading/unloading procedures.
Emergency Response & Incident Reporting: First response actions (call 911),
Emergency Response Guidebook (ERG) usage, guide pages for hazard
identification, protective action distances, evacuation distances, shelter-in-place
procedures, isolation distances, National Response Center (NRC) reporting, PHMSA
Hazardous Materials Incident Report (within 30 days), Incident Command System
(ICS), decontamination procedures.
Interference & Stray Current: AC and DC stray current identification, foreign
current sources, interference effects on buried structures, mitigation techniques,
cathodic protection interference testing, telluric current effects.
CP Field Measurements & Equipment: Structure-to-soil potential measurements
(ON/OFF readings), close interval surveys (CIS), soil resistivity testing, pipe/cable
locating, rectifier readings and adjustments, depolarization tests, digital multimeters,
clamp-on ammeters, data loggers, test stations, reference electrodes (Cu/CuSO₄).
Safety & Standards: NACE/AMPP SP0169 standards, electrical safety in field
testing, confined space awareness, hazard identification, Job Safety Analysis (JSA),
personal protective equipment (PPE), code requirements, OSHA regulations.
Interpretation & Reporting: CP data interpretation, identifying underprotection vs.
overprotection, recognizing coating defect impacts, basic mapping techniques, report
preparation, record keeping requirements, data validation, trend analysis.
SECTION 1: Hazardous Materials Regulations Overview (Questions 1–25)
,Question 1
The Hazardous Materials Regulations (HMR) are found in which title of the Code of Federal
Regulations (CFR)?
A) Title 29 CFR
B) Title 40 CFR
C) Title 49 CFR
D) Title 21 CFR
E) Title 42 CFR
Answer: C) Title 49 CFR
Rationale: The Hazardous Materials Regulations (HMR) are found in Title 49 of the Code of
Federal Regulations (49 CFR), Parts 100-185. This is the primary regulatory framework for
hazardous materials transportation. Title 29 is OSHA (workplace safety), Title 40 is EPA
(environmental), and Title 21 is FDA (food/drugs). This is a foundational question frequently
tested on the hazmat endorsement exam.
Question 2
Which federal agency is primarily responsible for enforcing the Hazardous Materials
Regulations?
, A) Federal Motor Carrier Safety Administration (FMCSA)
B) Pipeline and Hazardous Materials Safety Administration (PHMSA)
C) Environmental Protection Agency (EPA)
D) Occupational Safety and Health Administration (OSHA)
E) Department of Transportation (DOT)
Answer: B) Pipeline and Hazardous Materials Safety Administration (PHMSA)
Rationale: PHMSA, a division of the DOT, is the primary agency responsible for developing
and enforcing the Hazardous Materials Regulations. The FMCSA enforces regulations
specifically for motor carriers. The EPA regulates environmental aspects. PHMSA is the key
agency you need to know for hazmat endorsements.
Question 3
What is the purpose of the Hazardous Materials Table (HMT) in 49 CFR 172.101?
A) To list all approved hazmat packaging types
B) To list hazardous materials and their specific shipping requirements
C) To list hazardous materials disposal methods
D) To list emergency response procedures for hazmat incidents
E) To list all hazmat training requirements
Answer: B) To list hazardous materials and their specific shipping requirements
