Texas CDL Hazmat Endorsement Exam– Newest 250
Questions with Correct Answers & Rationales | Latest
Update this Year |PDF
Texas CDL Hazardous Materials (Hazmat) Endorsement – 250 Practice Questions
Coverage
Hazardous Materials Regulations (49 CFR Parts 172, 173, 177)
Hazard Classes, Divisions & Packing Groups
Hazardous Materials Table (Proper Shipping Names, ID Numbers, Special
Provisions)
Shipping Papers (Basic Description, Shippers Certification, Emergency Contact)
Placarding & Labeling Requirements (Table 1 vs. Table 2, DANGEROUS Placard)
Marking Requirements (RQ, ID Numbers, Marine Pollutant, HOT, Inhalation Hazard)
Bulk vs. Non-Bulk Packaging
Loading, Segregation & Compatibility Rules
Unloading & Cargo Tank Safety (Grounding, Bonding, Outage)
Driving & Parking Rules for Placarded Vehicles (Railroad Crossings, Tunnels, Safe
Havens)
Emergency Response (ERG, Guide Numbers, Isolation & Protective Action
Distances, Spill Reporting)
Security Requirements (TSA Threat Assessment, Route Plans, Safe Havens)
Driver Responsibilities (Pre-Trip Inspection, En-Route Inspections, Leaking
Packages)
CDL Licensing & Endorsement Requirements (Age, Renewal, Conviction Reporting)
Special Cases: Explosives, Poison Inhalation Hazard (TIH), Radioactive Materials,
Dangerous When Wet
Texas-Specific Rules & Procedural Knowledge
,Q1. A hazardous materials endorsement is required to transport:
A) Any amount of diesel fuel
B) A material that requires placarding under 49 CFR Part 172
C) Only explosives
D) Groceries
Answer: B – The hazmat endorsement is required when the vehicle carries any quantity of
a material that must be placarded.
Q2. The hazard class for flammable liquids is:
A) Class 1
B) Class 3
C) Class 7
D) Class 9
Answer: B – Flammable liquids are Hazard Class 3.
Q3. A shipping paper must contain a proper shipping name, hazard class, identification
number, and:
A) The driver’s license number
B) The packing group
,C) The consignee’s phone number
D) The shipper’s certification
Answer: B – The basic description requires the proper shipping name, hazard class,
identification number, and packing group (if applicable).
Q4. Who is responsible for providing placards to the driver?
A) The driver
B) The shipper
C) The carrier
D) The consignee
Answer: C – The carrier (motor carrier) must supply the required placards, though the
shipper must offer the material correctly.
Q5. A “DANGEROUS” placard may be used when:
A) Only one hazard class is present
B) The shipment contains two or more hazard classes of non-bulk packages that require
different placards
C) The shipment is less than 1,001 pounds aggregate gross weight
D) The vehicle is empty
Answer: B – The “DANGEROUS” placard is used for mixed loads of non-bulk packages of
two or more hazard classes requiring different placards (Table 2).
, Q6. When transporting Division 1.1 explosives, you must:
A) Park within 300 feet of a bridge or tunnel
B) Have a written route plan and follow it
C) Never use a placard
D) Smoke while driving
Answer: B – Vehicles carrying Division 1.1, 1.2, or 1.3 explosives must follow a written
route plan prepared by the carrier.
Q7. The basic description on a shipping paper for “UN1203, Gasoline, 3, PG II” lists the ID
number first. Which is correct?
A) Proper shipping name, hazard class, ID number, packing group
B) Identification number, proper shipping name, hazard class, packing group
C) Proper shipping name, identification number, hazard class, packing group
D) Hazard class, identification number, proper shipping name, packing group
Answer: B – The order can be ID number, proper shipping name, hazard class, packing
group; or proper shipping name, hazard class, ID number, packing group. Either sequence
allowed. The question uses the sequence “UN1203, Gasoline, 3, PG II” which is ID number
first. That’s acceptable. The basic description may be in either of two sequences: 1) Proper
shipping name, hazard class, ID number, packing group; or 2) ID number, proper shipping
name, hazard class, packing group. So answer B fits this example.
Questions with Correct Answers & Rationales | Latest
Update this Year |PDF
Texas CDL Hazardous Materials (Hazmat) Endorsement – 250 Practice Questions
Coverage
Hazardous Materials Regulations (49 CFR Parts 172, 173, 177)
Hazard Classes, Divisions & Packing Groups
Hazardous Materials Table (Proper Shipping Names, ID Numbers, Special
Provisions)
Shipping Papers (Basic Description, Shippers Certification, Emergency Contact)
Placarding & Labeling Requirements (Table 1 vs. Table 2, DANGEROUS Placard)
Marking Requirements (RQ, ID Numbers, Marine Pollutant, HOT, Inhalation Hazard)
Bulk vs. Non-Bulk Packaging
Loading, Segregation & Compatibility Rules
Unloading & Cargo Tank Safety (Grounding, Bonding, Outage)
Driving & Parking Rules for Placarded Vehicles (Railroad Crossings, Tunnels, Safe
Havens)
Emergency Response (ERG, Guide Numbers, Isolation & Protective Action
Distances, Spill Reporting)
Security Requirements (TSA Threat Assessment, Route Plans, Safe Havens)
Driver Responsibilities (Pre-Trip Inspection, En-Route Inspections, Leaking
Packages)
CDL Licensing & Endorsement Requirements (Age, Renewal, Conviction Reporting)
Special Cases: Explosives, Poison Inhalation Hazard (TIH), Radioactive Materials,
Dangerous When Wet
Texas-Specific Rules & Procedural Knowledge
,Q1. A hazardous materials endorsement is required to transport:
A) Any amount of diesel fuel
B) A material that requires placarding under 49 CFR Part 172
C) Only explosives
D) Groceries
Answer: B – The hazmat endorsement is required when the vehicle carries any quantity of
a material that must be placarded.
Q2. The hazard class for flammable liquids is:
A) Class 1
B) Class 3
C) Class 7
D) Class 9
Answer: B – Flammable liquids are Hazard Class 3.
Q3. A shipping paper must contain a proper shipping name, hazard class, identification
number, and:
A) The driver’s license number
B) The packing group
,C) The consignee’s phone number
D) The shipper’s certification
Answer: B – The basic description requires the proper shipping name, hazard class,
identification number, and packing group (if applicable).
Q4. Who is responsible for providing placards to the driver?
A) The driver
B) The shipper
C) The carrier
D) The consignee
Answer: C – The carrier (motor carrier) must supply the required placards, though the
shipper must offer the material correctly.
Q5. A “DANGEROUS” placard may be used when:
A) Only one hazard class is present
B) The shipment contains two or more hazard classes of non-bulk packages that require
different placards
C) The shipment is less than 1,001 pounds aggregate gross weight
D) The vehicle is empty
Answer: B – The “DANGEROUS” placard is used for mixed loads of non-bulk packages of
two or more hazard classes requiring different placards (Table 2).
, Q6. When transporting Division 1.1 explosives, you must:
A) Park within 300 feet of a bridge or tunnel
B) Have a written route plan and follow it
C) Never use a placard
D) Smoke while driving
Answer: B – Vehicles carrying Division 1.1, 1.2, or 1.3 explosives must follow a written
route plan prepared by the carrier.
Q7. The basic description on a shipping paper for “UN1203, Gasoline, 3, PG II” lists the ID
number first. Which is correct?
A) Proper shipping name, hazard class, ID number, packing group
B) Identification number, proper shipping name, hazard class, packing group
C) Proper shipping name, identification number, hazard class, packing group
D) Hazard class, identification number, proper shipping name, packing group
Answer: B – The order can be ID number, proper shipping name, hazard class, packing
group; or proper shipping name, hazard class, ID number, packing group. Either sequence
allowed. The question uses the sequence “UN1203, Gasoline, 3, PG II” which is ID number
first. That’s acceptable. The basic description may be in either of two sequences: 1) Proper
shipping name, hazard class, ID number, packing group; or 2) ID number, proper shipping
name, hazard class, packing group. So answer B fits this example.
