CDL GENERAL KNOWLEDGE EXAM
2025 (100% UPDATED.)
When you are in a 60 foot vehicle, how much space should you maintain in front of you
at highway speeds? - ANSWERSeven seconds
What is the first thing to do if your vehicle catches fire while driving? - ANSWERPull off
the road and park in an open area
When making a right hand turn, you should always: - ANSWERKeep the rear of your
vehicle close to the curb
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
The best way to put out a fire is to: - ANSWERStand upwind and spray the base of the
fire
What are some causes of vehicle fires (3): - ANSWER* Spilled fuel
* Short circuits
* Driver smoking
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.
Hydroplaning can occur when you drive through water or slush. If you experience
hydroplaning you should: - ANSWERRelease the accelerator and push in the clutch
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
How often should you check your cargo (3)? - ANSWER* Within 25 miles after
beginning a trip
* After you have driven for three hours
* After you take a break
2025 (100% UPDATED.)
When you are in a 60 foot vehicle, how much space should you maintain in front of you
at highway speeds? - ANSWERSeven seconds
What is the first thing to do if your vehicle catches fire while driving? - ANSWERPull off
the road and park in an open area
When making a right hand turn, you should always: - ANSWERKeep the rear of your
vehicle close to the curb
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
The best way to put out a fire is to: - ANSWERStand upwind and spray the base of the
fire
What are some causes of vehicle fires (3): - ANSWER* Spilled fuel
* Short circuits
* Driver smoking
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.
Hydroplaning can occur when you drive through water or slush. If you experience
hydroplaning you should: - ANSWERRelease the accelerator and push in the clutch
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
How often should you check your cargo (3)? - ANSWER* Within 25 miles after
beginning a trip
* After you have driven for three hours
* After you take a break
