CDL Practice Test (General Knowledge) 100 Questions with Correct Answers How long should the mud flaps on a truck and trailer be? - Correct Answer Long enough to reach within
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If you're driving in town, how far will your recommended 12-15 second planning ahead measure in distance? - Correct Answer about a single block A bridge formula restricts the axle weight for axles which... - Correct Answer are closer together How soon should oil pressure rise to a normal level after starting the engine? - Correct Answer within seconds If starting from a standstill on a hill, what's the best way to get moving? - Correct Answer partly engage the clutch before you take your right foot off the brake Driving on a highway, it is recommended that you monitor a quarter of a mile ahead. At highway speeds, this equates to...? - Correct Answer 12-15 sec Descending a long downgrade, which of these will help you if you have brake difficulties? - Correct Answer -escape ramp -a turn going uphill -an open field (all of the above) If you are tested and found to have a blood alcohol concentration below 0.04% but above 0.0, what will happen? - Correct Answer You will be taken out of service for 24 hrs Federal, State, and local regulations concerning cargo weight, securement, and cover vary widely. Which should you obey? - Correct Answer all of them 1 / 2
What are two of the most common causes of tire fires? - Correct Answer Under-inflation and duals that touch The minimum number of tiedowns on a load is...? - Correct Answer 2 If your load protrudes more than 4 feet beyond the rear of your vehicle, which of these do you need in Texas? - Correct Answer -a red flag at least 12X12 in (day) -a special permit -a burning red visible light (night) (all of the above) If an accident victim is bleeding heavily, what should you do to help? - Correct Answer apply direct pressure to the wound If there is an obstacle in the road and you have a choice of directions around it, why should you choose to go right? - Correct Answer it will avoid driving into oncoming traffic How can you avoid temporary night blindness from other drivers' lights? - Correct Answer look at the sidelines instead If you have to stop on a divided highway, how should you place your warning triangles? - Correct Answer At 10ft, 100ft and 200ft , all facing approaching traffic How should you position your trailer to check the alignment of your mirrors? - Correct Answer straight with your cab If backing with a tractor trailer, turning the wheel left will do what? - Correct Answer turn the cab left and the trailer right If you have to stop on an undivided road, how should you set out your emergency warning triangles? - Correct Answer One front and one rear, and one nearer the vehicle toward traffic in the same lane
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