If your brakes get wet while driving on a rainy day, what can happen when you apply the brakes?
a. Excessive brake wear
b. Trailer Jackknife
c. Hydroplaning
b. Trailer Jackknife
Which is not a danger when an automatic transmission is forced into a lower gear at high speed?
a. Loss of steering control
b. Damage to the transmission
c. Loss of engine braking effect
a. Loss of steering control
Which statement is true about tire pressure?
a. Tire pressure need not be checked during a trip if it passed pre-trip inspection
b. Air pressure in the tires increases with temperature
c. Air should be let out of hot tires so they don’t blow out
b. Air pressure in the tires increases with temperature
The braking effect of the engine is greatest when the engine is _____ the governed RPMs and the transmission is in the _____ gears.
a. Near, Lower
b. Above, Lower
c. Below, Higher
b. Above, Lower
Which is a danger of crossing railroad tracks on dirt roads?
a. Your tires could sink into the dirt and not cross the tracks
b. The ground underneath the tracks may not be stable
c. You could get hung up halfway across the tracks
c. You could get hung up halfway across the tracks
The best drivers are those who match and prepare for hazards. This is called being:
a. Objective
b. Offensive
c. Defensive
c. Defensive
To determine a person’s BAC, you must know how:
a. Much the person weighs
b. Old the person is
c. Often the person drinks alcohol
a. Much the person weighs
To avoid a crash, you had to drive onto the right shoulder. You are now driving at 40 mph. How should you move back onto the pavement?
a. Keep moving at your present speed and steer very gently back onto the pavement when safe
b. If the shoulder is clear, stay on it until your vehicle comes to a stop. Then move back onto the pavement when safe to do so
c. Brake hard to slow the vehicle; then, steer sharply onto the pavement when safe
b. If the shoulder is clear, stay on it until your vehicle comes to a stop. Then move back onto the pavement when safe to do so
When you must stop on a one way or divided highway, you should place your reflective triangles at which locations?
a. 10 feet, 50 feet, and 100 feet toward approaching traffic
b. 10 feet, 100 feet, and 500 feet toward approaching traffic
c. 10 feet, 100 feet, and 200 feet toward approaching traffic
c. 10 feet, 100 feet, and 200 feet toward approaching traffic
When driving at night, use your low beams when an oncoming vehicle is within:
a. 500 feet
b. 300 feet
c. 400 feet
a. 500 feet
What will keep an engine cool in hot weather?
a. Running the air conditioner
b. Making sure the engine has the right amount of oil
c. Driving faster to force more air into the radiator
b. Making sure the engine has the right amount of oil
For a first offense of driving a commercial vehicle under the influence of alcohol or drugs, you will lose your CDL for at least:
a. 2 years
b. 1 year
c. 6 months
b. 1 year
If a straight vehicle (no trailer or articulation) goes into a front-wheel skid, it will:
a. Travel straight ahead until you turn the steering wheel
b. Slide sideways and spin out
c. Travel straight ahead even if you turn the steering wheel
c. Travel straight ahead even if you turn the steering wheel
You are driving on a straight, level highway at 50 mph with no vehicles in front of you. Suddenly, a tire blows out on your vehicle. What should you do first?
a. Begin lightly braking
b. Stay off the brake until the vehicle has slowed down
c. Begin emergency braking
b. Stay off the brake until the vehicle has slowed down
You are performing a pre-trip inspection on your brakes and suspension system. Which of these statements is true?
a. Brake drums should not have oil or grease on them
b. Just one missing leaf spring is not dangerous
c. Spring hangers that are cracked but still tight are not dangerous
a. Brake drums should not have oil or grease on them
Containerized loads:
a. Do not need to be inspected or secured by the driver
b. Are generally used for freight carried part way by rail or ship
c. Should come with their own tie-down devices or locks
b. Are generally used for freight carried part way by rail or ship
If you must cross the oncoming lane as you make a turn, you should:
a. Complete your turn without stopping
b. Watch for oncoming traffic
c. Back up to allow oncoming traffic to pass
b. Watch for oncoming traffic
When hydraulic brakes fail, the system won’t build up pressure and the brake pedal will feel spongy or go to the floor. What action should you take?
a. Pump the brake pedal to generate pressure
b. Push down on the brake pedal as hard as you can
c. Put the vehicle in neutral and set the parking brake
a. Pump the brake pedal to generate pressure
If you need to leave the road in a traffic emergency, you should:
a. Avoid driving on the shoulder of the road
b. Try to get all wheels off the pavement
c. Avoid breaking until your speed has dropped to about 20 mph
c. Avoid breaking until your speed has dropped to about 20 mph
When starting to move up a hill from a stop:
a. Keep the trailer brake hand valve applied until you reach 20 mph
b. Engage the clutch and accelerate quickly
c. Release the parking brake as you apply engine power
c. Release the parking brake as you apply engine power
Trucks and buses are subject to certain laws, regulations, and restrictions. Which statement is true?
a. Laws and restrictions can vary from place to place
b. Federal regulations apply only to trucks and buses driven at least 50 miles on a trip
c. County and city laws do not apply to trucks and buses engaged in interstate commerce
a. Laws and restrictions can vary from place to place
When looking ahead of your vehicle, you should look:
a. Straight ahead at all times
b. Back and Forth, near and far
c. To the right side of the road
b. Back and forth, near and far
In bad weather, many car drivers tailgate large vehicles, you should:
a. Lightly tap your brakes to warn the tailgater to drop back
b. Speed up to distance yourself from the tailgater
c. Increase your following distance to avoid the need to make a quick change
c. Increase your following distance to avoid the need to make a quick change
You should use your mirrors to check:
a. Blind spots only
b. Where the rear of your vehicle is while you make turns
c. If your running lights are working properly
b. Where the rear of your vehicle is while you make turns