TEXAS CDL GENERAL KNOWLEDGE 2025 EXAM QUESTIONS AND CORRECT ANSWERS | ALREADY GRADED A+

TEXAS CDL GENERAL KNOWLEDGE 2025 EXAM QUESTIONS AND CORRECT ANSWERS | ALREADY GRADED A+ When driving through construction zones, you should - CORRECT ANSWER -Watch for sharp pavement drop-offs Which of the following is true about the use of reflective emergency triangles - CORRECT ANSWER -if you stop on a hill or curve, it's necessary to place them as much as 500 ft out to provide adequate warning When driving a vehicle with a height over 13 ft, you should - CORRECT ANSWER -stop and check before proceeding if you are unsure of the clearance The proper way to load a vehicle is - CORRECT ANSWER -keep the load balanced in the cargo area When Driving at night you should - CORRECT ANSWER -adjust your vehicle speed so as to keep your stopping distance within your sight distance While driving you're looking ahead of your vehicle. What's the best way to do that? - CORRECT ANSWER -Look back and forth, and near and far According to the CDL manual, why should you limit the use of your vehicle horn? - CORRECT ANSWER -it may startle other drivers If you break down on a level, straight, four-lane, divided highway, Where should you place the reflective emergency triangles - CORRECT ANSWER -One 10 ft from rear of vehicle, One 100 ft from rear of vehicle,and one about 200 ft from rear of vehicle Bridge Formulas are designed to - CORRECT ANSWER -permit less maximum axle weight for axles that are closer together If you drive through heavy rain or standing water, your brakes may get wet. What can this cause to happen when you apply the brakes - CORRECT ANSWER -lack of braking power, wheel lockups pulling to one side or the other and Trailer Jacknife Statistics prove that most serious skids are a result of - CORRECT ANSWER -Driving too fast for conditions Which of the following should you NOT do - CORRECT ANSWER -Flash your brakes if someone is following too closely Controlled braking is - CORRECT ANSWER -applying firm brake pressure, but not to the point of lock up Stab Braking is Not used on vehicles - CORRECT ANSWER -With Anti Lock brakes What three factors add up to the total stopping distance for a commercial motor vehicle without air brakes - CORRECT ANSWER -Perception Distance, Reaction Distance and Braking Distance Your driving on a straight and level roadway at 60 mph and suddenly a tire blows out on your vehicle what should you do first - CORRECT ANSWER -Grip the steering wheel firmly with both hands and stay off the brakes until the vehicle has slowed down When traveling down a long downgrade you should always - CORRECT ANSWER -use the braking effect of the engine Which of the following statements about backing a commercial motor vehicle is to a dock is Not true - CORRECT ANSWER -Since you cant see behind you, you should back slowly until you bump the dock Shifting gears properly is important because - CORRECT ANSWER -doing so helps you maintain control of the vehicle As Alcohol begins to build up in the body Which of the following is affected first - CORRECT ANSWER -Judgement and self control Which of the following is true? - CORRECT ANSWER -Tires of mismatch sizes should not be used on the same vehicle Controlled braking is - CORRECT ANSWER -used when the goal is to keep the vehicle in a straight line while braking Hazardous materials placarding is an example of: - CORRECT ANSWER -communication At what blood alcohol concentration (BAC) will you be placed out of service - CORRECT ANSWER -Any detectable amount When you see a hazard in the roadway in front of you, you should - CORRECT ANSWER -Turn on your 4-way flashers or flash your brakes to warn others When starting a commercial motor vehicle on level dry pavement it is not usually necessary to - CORRECT ANSWER -Apply the parking brake and press on the accelerator while popping out the clutch Which of the following is true concerning cold weather driving? - CORRECT ANSWER -you should use windshield washer fluid which contains anifreeze you're traveling down a long grade and you notice your breaks are not working as well as they had been you should - CORRECT ANSWER -stop as quickly as you can why do the hazardous materials regulations exist - CORRECT ANSWER -to provide for safe drivers and equipment, to communicate a risk and to contain the product Water will extinguish which of the following fires? - CORRECT ANSWER -tire Which of the following happens when a tire blows at highway speed? - CORRECT ANSWER -you will feel a vibration Which of the following is true about tire pressure? - CORRECT ANSWER -As temperature increases so does air pressure in the tires When fighting a fire, Which is most correct? - CORRECT ANSWER -Aim the fire extinguisher at the base of the fire Over the counter medication used to treat the common cold - CORRECT ANSWER -often can make you sleepy and should not be used while driving Which of the following conditions may produce a skid? - CORRECT ANSWER -Driving too fast for conditions, over-braking, over-steering What is the purpose of a pre trip inspection? - CORRECT ANSWER -to make sure the vehicle is safe to operate Your vehicle is 40 ft long and you are traveling at 50 mph the safe following distance is - CORRECT ANSWER -5 seconds Which of the following statements about causes of vehicle fires is true? - CORRECT ANSWER -Poor trailer ventilation can cause cargo to catch fire Convex mirrors will: - CORRECT ANSWER -Show a wider area than flat mirrors After you start your engine which of the following should occur? - CORRECT ANSWER -The water temperature will indicate a gradual rise to normal operating temperature Which of the following is a true statement? - CORRECT ANSWER -Short term