CDL General Knowledge Review Practice Test.
When you are in a 60 foot vehicle, how much space should you maintain in front of you at highway speeds? - CORRECT ANSWER Seven seconds
What is the first thing to do if your vehicle catches fire while driving? - CORRECT ANSWER Pull off the road an...
When you are in a 60 foot vehicle, how much space should you maintain in front of you at highway
speeds? - CORRECT ANSWER Seven seconds
What is the first thing to do if your vehicle catches fire while driving? - CORRECT ANSWER Pull off the
road and park in an open area
The best way to put out a fire is to: - CORRECT ANSWER Stand upwind and spray the base of the fire
What are some causes of vehicle fires (3): - CORRECT ANSWER * Spilled fuel
* Short circuits
* Driver smoking
Safe drivers must maintain space around their vehicles for the following reasons (3): - CORRECT 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: - CORRECT ANSWER Release the accelerator and push in the clutch
When making a right hand turn, you should always: - CORRECT ANSWER Keep the rear of your vehicle
close to the curb
A front wheel skid is usually caused by (3): - CORRECT ANSWER * Driving too fast for conditions
* Lack of tread on the front tires
* Cargo improperly loaded
, Driving at night is more dangerous because of the following (3): - CORRECT 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)? - CORRECT ANSWER * Within 25 miles after beginning a trip
* After you have driven for three hours
* After you take a break
An engine retarder is designed to: - CORRECT ANSWER Slow the vehicle down without using brakes
When should tires be replaced (3)? - CORRECT ANSWER * When the tread separates
* When there are broken valve stems
* If the tread depth on your front tires is less than 4/32 deep
In the event of a tire failure, you should: - CORRECT ANSWER Stay off the brake and hold the steering
wheel firmly
Your vehicle is going down a long hill and your brakes begin to fail. What should you do? - CORRECT
ANSWER Look for an escape ramp or an escape route
The definition of a commercial motor vehicle is (3): - CORRECT ANSWER * A vehicle with a gross weight
over 26,001 lbs
* A vehicle transporting hazardous materials
* A vehicle transporting 16 or more passengers
When driving at highway speeds, you should look 12-15 seconds ahead which is: - CORRECT ANSWER At
least a quarter of a mile
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