CDL Practice Test (General Knowledge) Questions with 100% Correct Answers

How long should the mud flaps on a truck and trailer be? Correct Answer Long enough to reach within 8 in of the roadway 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 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