CDL General Knowledge Questions and Answers 1.When you are in a 60 foot vehicle, how much space should you maintain in front of you at highway speeds (Answer) Seven seconds 2.What is the first thing to do if your vehicle catches fire while driving (Answer) Pull off the road and park in an open area 3.The best way to put out a fire is to (Answer) Stand upwind and spray the base of the fire 4.What are some causes of vehicle fires (3) (Answer) * Spilled fuel Short circuits *Driver smoking 5.Safe drivers must maintain space around their vehicles for the following reasons (3) (Answer) * In case you must stop suddenly *In case there are cars following too closely *In case there is an obstacle in the road.
6.Hydroplaning can occur when you drive through water or slush. If you 1 / 2
experience hydroplaning you should (Answer) Release the accelerator and push in the clutch 7.When making a right hand turn, you should always (Answer) Keep the rear of your vehicle close to the curb 8.A front wheel skid is usually caused by (3) (Answer) * Driving too fast for conditions *Lack of tread on the front tires *Cargo improperly loaded 9.Driving at night is more dangerous because of the following (3) (Answer) * Most people are less alert at night due to fatigue *Headlights often cause glare which can blind drivers *There are more drunk drivers at night 10.How often should you check your cargo (3) (Answer) * Within 25 miles after begin- ning a trip *After you have driven for three hours *After you take a break 11.An engine retarder is designed to (Answer) Slow the vehicle down without using brakes
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