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Free Practice Questions for TX CDL Combination

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Key Facts: TX CDL Combination Exam

26,001+ lb

Texas/Federal Class A combination threshold when towing over 10,000 lb GVWR

Texas DPS Classes of Driver Licenses; 49 CFR §383.91

80%

Minimum correct score required for CDL knowledge tests

49 CFR §383.135

14 days

Minimum Texas CLP holding period before CDL skills testing

Texas DPS Classes of Driver Licenses and CDL FAQ

$25

Texas DPS original Commercial Learners Permit fee

Texas DPS Driver License Fees

Study Texas Commercial Motor Vehicle Drivers Handbook Section 6 for combination-vehicle safety: off-tracking and wide turns, rollover prevention, backing, trailer skids and jackknife recovery, trailer air supply and glad hands, fifth wheel and kingpin coupling, tug and visual checks, landing gear, and combination inspection. Texas DPS lists a $25 original CLP fee and $97 standard new CDL fee for ages 18 to 84. Federal CDL rules require at least 80% correct on each knowledge test, and a failed combination-vehicle knowledge test prevents Group A CLP/CDL issuance.

Sample TX CDL Combination Practice Questions

Try these sample questions to review concepts for the TX CDL Combination exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 200+ question experience with AI tutoring.

1Which statement about texas class a basics is correct?
A.A Texas Class A CDL covers qualifying combinations with GCWR 26,001 pounds or more when the towed unit exceeds 10,000 pounds GVWR.
B.This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.
C.This answer would create an unsafe coupling, braking, turning, or inspection habit.
D.This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
Explanation: A Texas Class A CDL covers qualifying combinations with GCWR 26,001 pounds or more when the towed unit exceeds 10,000 pounds GVWR.
2Which statement about texas class a basics is correct?
A.This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.
B.This answer would create an unsafe coupling, braking, turning, or inspection habit.
C.This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
D.Texas CLP holders must generally hold the CLP at least 14 days before applying for CDL skills testing.
Explanation: Texas CLP holders must generally hold the CLP at least 14 days before applying for CDL skills testing.
3Which statement about texas class a basics is correct?
A.This answer would create an unsafe coupling, braking, turning, or inspection habit.
B.This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
C.49 CFR 383.135 requires at least 80 percent correct on CDL knowledge tests.
D.This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.
Explanation: 49 CFR 383.135 requires at least 80 percent correct on CDL knowledge tests.
4Which statement about texas class a basics is correct?
A.This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
B.Failing the combination-vehicle knowledge portion prevents issuance of a Group A CLP or CDL under federal rules.
C.This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.
D.This answer would create an unsafe coupling, braking, turning, or inspection habit.
Explanation: Failing the combination-vehicle knowledge portion prevents issuance of a Group A CLP or CDL under federal rules.
5Which statement about texas class a basics is correct?
A.Texas DPS lists a $25 original Commercial Learners Permit fee.
B.This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.
C.This answer would create an unsafe coupling, braking, turning, or inspection habit.
D.This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
Explanation: Texas DPS lists a $25 original Commercial Learners Permit fee.
6Which statement about texas class a basics is correct?
A.This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.
B.This answer would create an unsafe coupling, braking, turning, or inspection habit.
C.This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
D.Texas DPS lists a $97 new or renewal CDL fee for ages 18 to 84.
Explanation: Texas DPS lists a $97 new or renewal CDL fee for ages 18 to 84.
7Which statement about texas class a basics is correct?
A.This answer would create an unsafe coupling, braking, turning, or inspection habit.
B.This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
C.Texas DPS administers CDL licensing under FMCSA CDL standards.
D.This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.
Explanation: Texas DPS administers CDL licensing under FMCSA CDL standards.
8Which statement about texas class a basics is correct?
A.This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
B.Texas DPS does not publish a separate fixed public time limit for the Combination Vehicles knowledge test.
C.This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.
D.This answer would create an unsafe coupling, braking, turning, or inspection habit.
Explanation: Texas DPS does not publish a separate fixed public time limit for the Combination Vehicles knowledge test.
9Which statement about texas class a basics is correct?
A.Texas Class A applicants may also need General Knowledge, Air Brakes, and endorsement tests depending on vehicle and cargo.
B.This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.
C.This answer would create an unsafe coupling, braking, turning, or inspection habit.
D.This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
Explanation: Texas Class A applicants may also need General Knowledge, Air Brakes, and endorsement tests depending on vehicle and cargo.
10Which statement about texas class a basics is correct?
A.This statement confuses the tested combination-vehicle rule with an unrelated CDL topic.
B.This answer would create an unsafe coupling, braking, turning, or inspection habit.
C.This choice is not supported by the Texas CDL handbook or FMCSA combination-vehicle standards.
D.FMCSA directs drivers to use their state CDL manual, so Texas applicants should study the Texas CMV Drivers Handbook.
Explanation: FMCSA directs drivers to use their state CDL manual, so Texas applicants should study the Texas CMV Drivers Handbook.

About the TX CDL Combination Exam

The Texas CDL Combination Vehicles Test is the written knowledge test for drivers seeking Texas Class A commercial driving privileges. Texas DPS Class A CDL rules cover combinations with GCWR of 26,001 pounds or more when the towed vehicle GVWR exceeds 10,000 pounds. The Texas Commercial Motor Vehicle Drivers Handbook Section 6 covers rollover risk, off-tracking, backing, trailer skids, jackknife recovery, trailer air supply, service and emergency lines, glad hands, tractor protection valves, ABS, coupling and uncoupling, fifth wheel and kingpin checks, landing gear, and combination-vehicle inspection. FMCSA Part 383 supplies federal Group A classification, required knowledge areas, and the 80% knowledge-test passing standard.

Exam sponsor: Texas Department of Public Safety (DPS) under FMCSA CDL standards. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Multiple-choice CDL knowledge test for Texas Class A applicants; Texas Commercial Motor Vehicle Drivers Handbook Section 6 covers driving combinations, combination air-brake controls, ABS, coupling and uncoupling, and inspecting combinations.

Time Limit

Texas DPS does not publish a separate fixed public time limit for the Combination Vehicles knowledge test

Passing Score

80% minimum correct on CDL knowledge tests under 49 CFR §383.135

Exam / Certification Fees

$25 original CLP; $97 standard new CDL for ages 18 to 84 when issued

Exam sponsor website

Reported exam pass rate: Not published. Texas DPS and FMCSA do not publish an official pass rate for the Texas CDL Combination Vehicles test. Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Core section

Driving Combination Vehicles Safely

Rollover risk, high center of gravity, steering response, rearward amplification, off-tracking, wide turns, low-clearance railroad crossings, backing, and space management.

Core section

Combination Vehicle Air Brakes

Trailer hand valve, tractor protection valve, trailer air supply control, service and emergency lines, glad hands, crossed-line faults, trailer ABS, and trailer brake tests.

Core section

Coupling and Uncoupling

Fifth wheel plate and jaws, kingpin, trailer height, high coupling, tug test, visual inspection, air/electrical line connection, landing gear, chocks, and safe release sequence.

Core section

Inspecting Combination Vehicles

Coupling area, trailer frame, suspension, brakes, tires, lights, reflectors, landing gear, cargo doors, load security, and post-coupling final checks.

Licensing section

Texas CDL and FMCSA Rules

Texas Class A requirements, CLP term, 14-day holding period, fees, ELDT triggers, Group A vehicle rules, and federal 80% knowledge-test passing standard.

Preparing for the TX CDL Combination Exam

What You Need to Know

  • Passing score: 80% minimum correct on CDL knowledge tests under 49 CFR §383.135
  • Assessment: Multiple-choice CDL knowledge test for Texas Class A applicants; Texas Commercial Motor Vehicle Drivers Handbook Section 6 covers driving combinations, combination air-brake controls, ABS, coupling and uncoupling, and inspecting combinations.
  • Time limit: Texas DPS does not publish a separate fixed public time limit for the Combination Vehicles knowledge test
  • Exam / certification fees: $25 original CLP; $97 standard new CDL for ages 18 to 84 when issued Official sources

Using Our Practice Resources

  • Work through all 200 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

TX CDL Combination: Suggested Study Strategy

1Start with Texas Commercial Motor Vehicle Drivers Handbook Section 6 and write a coupling checklist: fifth wheel, trailer height, kingpin, tug test, visual lock check, air/electric lines, brake tests, and landing gear.
2Memorize red emergency/supply and blue service glad-hand functions, then practice crossed-line and air-leak scenarios.
3Drill off-tracking, wide right turns, rearward amplification, rollover risk, backing to the driver side, trailer skids, jackknife recovery, and low-clearance railroad crossing decisions.
4Treat air brakes in Section 6 as combination-specific; study full air-brake depth separately if your Class A vehicle has air brakes.
5Review Texas Class A thresholds, CLP term, 14-day holding period, DPS fees, ELDT triggers, and the FMCSA 80% passing standard before test day.

Frequently Asked Questions

Who needs the Texas CDL Combination Vehicles test?

Texas Class A CDL applicants need combination-vehicle knowledge because Class A CDL privileges cover combinations with GCWR of 26,001 pounds or more when the towed vehicle GVWR exceeds 10,000 pounds.

What score do I need to pass?

Federal CDL rules require at least 80% correct on knowledge tests. 49 CFR §383.135 also states that an applicant who fails the combination-vehicle portion must not be issued a Group A CLP or CDL.

What topics are on the Texas combination test?

Texas Commercial Motor Vehicle Drivers Handbook Section 6 covers driving combinations safely, rollover risk, off-tracking, backing, trailer skids, trailer air-brake controls, tractor protection valves, glad hands, ABS, coupling and uncoupling, fifth wheel and kingpin checks, landing gear, and inspecting combinations.

How much does Texas CDL testing cost?

Texas DPS lists a $25 original CLP fee and a $97 new or renewal CDL fee for ages 18 to 84. DPS publishes CDL/CLP transaction fees rather than a separate Combination Vehicles-only first-attempt fee.