Express CDL School

CDL Practice Test

1. Your truck is heading down a very long downhill & your brakes start to fail. What do you do?

A Pump the brakes
B Down-shift
C Change the gears into neutral
D Take an escape ramp/route

2. If in an accident you should do all the following except what?

A Move the victims to the side of the road immediately
B Guard the area
C Notify the police department or highway patrol
D Help anyone that's injured

3. What is the purpose of suspension systems?

A It keeps the load from moving
B It keeps the axles from moving
C it ensures the brake drums function
D It keeps the steering wheel from tilting by itself

4. What is a CMV?

A A truck weighing 26,000+ pounds
B A hazmat truck
C A truck or bus with 15+ passengers.
D All of the above answers are correct

5. All of the following are tru about down-shifting except for what?

A Always downs-shift prior to going down-hill.
B Always downs-shift prior to a curve
C Always downs-shift prior to reaching the very bottom of a hill
D Always downs-shift prior to climbing a steep hill

6. While at a speed of 55mph it takes approximately 6 secs to complately stop a fully-loaded truck. What is the braking distance?

A 100 yards
B 0.25 miles
C 2 trailer lenghts
D The size of 2 cars

7. What should you do when speeindg up?

A Use the parking brake to decelerate
B Never use the clutch prior to taking your foot off the brake
C Accelerate slowly/smoothly and avoid jerking-back-and-forth
D Hammer-down if your wheels start to spin-out

8. All of the following about overhead-space is false except for which one?

A Bridge Height signs are accurate 99% of the time
B Truck's height varies depending on the cargo
C Bridges and overpasses always have lights around the edges
D A van with no cargo sits lower than a fully loaded one.

9. What is a good frequency to check your load?

A Fifty miles after departure
B Every 150 mil. or 3 hrs, whichever comes sooner
C Following every rest stop
D All answers are correct

10. When should tires be replaced?

A As soon as the tread starts to seperate
B As soon as valve stems brake
C When the depth of only your front tires is smaller than 4/32 inches deep
D All answers are correct