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Not affiliated with any state DMV or AAMVA. Original questions based on the Texas Commercial Motor Vehicle Drivers Handbook (DL-7C, revised March 2026).

CDL general knowledge test: practice test with original questions from a state CDL handbook

Practice for the commercial driver's license (CDL) general knowledge test with 67 original questions written from a state CDL handbook based on the national model manual (Texas DL-7C, revised March 2026), in English and Spanish.

يغطي: Texas DL-7C, revised March 2026تم التحقق من حداثته في 28‏/10‏/2026اللغات: English, Español

67 أسئلة · الأوضاع: دراسة, تدريب حسب الموضوع, 5 يوميا

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عن هذا الاختبار

Practice for the CDL general knowledge test with original questions written from the Texas Commercial Motor Vehicle Drivers Handbook (DL-7C, revised March 2026), which follows the national AAMVA model CDL manual used by most states. Every correct answer is backed by a passage of the handbook and checked by two independent verifiers.

  • Study: every question with a short explanation.
  • Topic drills: vehicle inspection, basic control and shifting, seeing, space and speed, hazards, emergencies and night driving, cargo and fitness to drive.
  • Mock test: not offered, because the handbook states the 80% pass mark but not the number of questions.

The questions are written in our own words in English and Spanish; this is not any state's question bank. State-specific rules (such as Texas commercial rules) and endorsement tests are not covered.

المواضيع

  • ABS indicator light · 1
  • ABS malfunction · 1
  • Aiming a fire extinguisher · 1
  • Air pressure buildup · 1
  • Backing speed and gear · 1
  • Backing toward the driver's side · 1
  • Backing with a helper · 1
  • Bridges freeze first · 1
  • Cargo fire in a van · 1
  • Cargo van height · 1
  • Checking cargo covers · 1
  • Convex mirrors · 1
  • Dealing with tailgaters · 1
  • Definition of a hazard · 1
  • Dimming headlights · 1
  • Distraction defined · 1
  • Double clutching · 1
  • Downshifting before a curve · 1
  • Drive wheels spinning · 1
  • Drowsiness · 1
  • Drugs that hide fatigue · 1
  • Effects of overloading · 1
  • Empty truck braking · 1
  • En-route cargo securement check · 1
  • Equivalent drinks · 1
  • Exhaust system defects · 1
  • Following distance rule · 1
  • Front tire tread depth · 1
  • Front-wheel skid · 1
  • Gear before a downgrade · 1
  • Hand-held phone disqualification · 1
  • How far ahead to look · 1
  • Hydroplaning · 1
  • Left turns · 1
  • Livestock loads · 1
  • Loading heavy cargo low · 1
  • Loose wheel nuts · 1
  • Minimum tie-downs · 1
  • Moving injured people · 1
  • Out of service · 1
  • Racing a train · 1
  • Radiator cap safety · 1
  • Re-checking cargo · 1
  • Required emergency equipment · 1
  • Retarders on slippery roads · 1
  • Right turns · 1
  • Road rage · 1
  • Sealed loads · 1
  • Securing the vehicle before walk-around · 1
  • Signs of ice on the road · 1
  • Sobering up takes time · 1
  • Speed and braking distance · 1
  • Speed and visible distance · 1
  • Speed reduction on wet and snowy roads · 1
  • Steering grip · 1
  • Stopping distance components · 1
  • Stuck on the tracks · 1
  • Testing hydraulic brakes · 1
  • Texting risk · 1
  • Tie-down count by length · 1
  • Tire failure response · 1
  • Triangle placement on divided highway · 1
  • Warning devices timing · 1
  • Water on fires · 1
  • Weight on the steering axle · 1
  • Wet brakes · 1
  • Work zone speed · 1

المصادر والإصدار

يغطي: Texas DL-7C, revised March 2026 · تم التحقق من حداثته في 28‏/10‏/2026

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