Take Texas CDL General Knowledge Practice Exam

QUESTION 1 / 25

What should you do if your vehicle begins to skid?

Choose one answer below.

AAccelerate quickly to regain control✓BSteer in the opposite direction of the skid✓CTake your foot off the accelerator and steer in the direction you want to go✓DApply the brakes fully to stop the skid✓

QUESTION 2 / 25

When a tire blows out at highway speeds, which of the following may happen?

Choose one answer below.

AVibrating feeling✓BLoss of mirrors✓CIncrease in acceleration✓DLoud noise from the radio✓

QUESTION 3 / 25

How can you prevent fatigue during long driving hours?

Choose one answer below.

ATake regular breaks✓BStay caffeinated throughout the drive✓COnly drive during daylight hours✓DUse cruise control constantly✓

QUESTION 4 / 25

What is a common safety feature in commercial vehicles?

Choose one answer below.

AAutomatic windscreen wipers✓BBlind spot sensors✓CLeather seats for comfort✓DSunroofs✓

QUESTION 5 / 25

Which of these statements about brakes are true?

Choose one answer below.

AThe heavier a vehicle or faster it is moving the more heat the brakes have to absorb to stop.✓BBrakes work better when they are wet✓CCool brakes are more effective than hot brakes✓DBrakes do not need regular maintenance✓

QUESTION 6 / 25

What is the benefit of using cruise control?

Choose one answer below.

AMaintains a constant speed and decreases fatigue✓BIncreases fuel efficiency✓CImproves reaction time✓DEnhances engine performance✓

QUESTION 7 / 25

What should drivers do when approaching a construction zone?

Choose one answer below.

AReduce speed and be prepared to stop✓BMaintain current speed to pass quickly✓CUse the horn to alert construction workers✓DChange lanes aggressively to avoid delays✓

QUESTION 8 / 25

When is driving at night particularly dangerous for commercial drivers?

Choose one answer below.

AWhen traffic is heavy✓BWhen fatigue and reduced visibility can impair judgment✓CWhen the roads are icy✓DWhen there are no streetlights✓

QUESTION 9 / 25

What should truck drivers do when driving behind motorcycles?

Choose one answer below.

AMaintain a shorter following distance✓BIgnore them and drive as normal✓CMaintain a greater following distance and be extra cautious✓DPass them as quickly as possible✓

QUESTION 10 / 25

What should you do if you are drowsy while driving?

Choose one answer below.

ATurn up the radio to stay alert✓BPull over and rest✓CKeep driving until you reach your destination✓DDrink coffee or energy drinks✓

QUESTION 11 / 25

What factor is crucial for maintaining effective communication with other road users?

Choose one answer below.

AUse of turn signals and hazard lights✓BMaking eye contact with pedestrians✓CDriving in the right lane✓DUsing the horn frequently✓

QUESTION 12 / 25

What two types of skills are primarily tested in the skills test for a CDL?

Choose one answer below.

ANavigation skills and communication skills✓BDriving skills and vehicle control skills✓CEmergency response skills and safety protocols✓DInspection skills and maintenance skills✓

QUESTION 13 / 25

Which of these pieces of emergency equipment must always be carried in your vehicle?

Choose one answer below.

AFlashlights✓BFirst aid kit✓CSpare fuel✓DWarning devices for parked vehicles✓

QUESTION 14 / 25

What should a driver check during a pre-trip inspection?

Choose one answer below.

AWeather conditions✓BTires, lights, brakes, steering, and fluid levels✓CPassenger comfort features✓DAll of the above✓

QUESTION 15 / 25

What are the requirements for transporting hazardous materials?

Choose one answer below.

AProper training, labeling, and documentation✓BOnly proper labeling and documentation✓CProper training and vehicle size✓DStandard driving license and registration✓

QUESTION 16 / 25

Which of these statements about marking a stopped vehicle is true?

Choose one answer below.

AIf a hill or curve keeps drivers behind you from seeing the vehicle within 500 feet the reflective triangles should be moved back to give adequate warning.✓BDo not use reflective triangles at night✓CReflective triangles are optional for marking a stopped vehicle✓DReflective triangles should be placed only on the vehicle roof✓

QUESTION 17 / 25

What are the key parts of a vehicle's structure that should be inspected?

Choose one answer below.

AEngine, transmission, battery, and exhaust system✓BFrame, suspension, steering mechanism, and axle✓CBrakes, lights, mirrors, and doors✓DTires, fuel system, electrical system, and cabin✓

QUESTION 18 / 25

In foggy conditions, what should drivers use to improve visibility?

Choose one answer below.

AHigh beams✓BLow beams✓CHazard lights✓DReflectors✓

QUESTION 19 / 25

What is the primary purpose of the Air Brake Inspector’s Handbook?

Choose one answer below.

ATo inform drivers about traffic laws✓BTo educate drivers on proper air brake maintenance✓CTo provide guidelines for vehicle inspections✓DTo enhance driver safety awareness✓

QUESTION 20 / 25

What is a common effect of fatigue on a driver's ability to drive?

Choose one answer below.

AIncreased attention and faster reaction times✓BDecreased attention and slower reaction times✓CImproved decision-making skills✓DEnhanced situational awareness✓

QUESTION 21 / 25

How often should oil in a commercial vehicle be changed?

Choose one answer below.

AEvery 1,000 miles✓BEvery 5,000 to 10,000 miles✓CEvery 15,000 miles✓DOnly when an indicator light appears✓

QUESTION 22 / 25

How can severe weather affect the operation of a truck?

Choose one answer below.

AIt slows down engine speed✓BIt can reduce traction and visibility✓CIt enhances braking performance✓DIt makes driving easier✓

QUESTION 23 / 25

What is true about driving in cold weather regarding tire tread?

Choose one answer below.

ATire tread should be shallow✓BTire tread does not affect snow performance✓CTire tread should provide minimum traction✓DTire tread should provide enough traction to steer in snow✓

QUESTION 24 / 25

How should a driver handle driving on icy roads?

Choose one answer below.

ASpeed up to maintain control✓BSlow down and maintain greater space between vehicles✓CTake the usual route without adjustments✓DUse cruise control to maintain speed✓

QUESTION 25 / 25

What action should be taken if a tire blows out while driving?

Choose one answer below.

AImmediately apply brakes✓BSteer in the direction of the blowout✓CKeep a firm grip on the wheel and slow down gradually✓DOvercorrect to stabilize the vehicle✓