Knowledge Test 6

1. The distance that you should look ahead of your vehicle while driving amounts to about ____ at highway speed.
500 feet
800 feet
1/4 mile
One block

2. Which of these statements about tires and hot weather driving is true?
If a tire it is too hot to touch, you should drive on it to cool it off.
You should inspect your tires more often because they are more likely to fail.
Recapped tires are less likely to fail in hot weather than new tires.
All of the above.

3. You are driving a 40 foot vehicle at 35 mph. Driving conditions are ideal (dry pavement, good visibility). What is the least amount of space that you should keep in front of your vehicle to be safe?
2 seconds
3 seconds
4 seconds
5 seconds

4. A moving vehicle ahead of you has a red triangle with an orange center on the rear. What does this mean?
The vehicle is hauling hazardous materials.
A student driver is driving it.
It is a law enforcement vehicle.
It may be a slow moving vehicle.

5. Which of these statements about drinking alcohol is true.
Alcohol first affects judgement and self-control, which are essential for safe driving.
Statistics show that drivers who have been drinking have a much greater chance of being in a crash.
A driver can lose his / her license for driving while under the influence of alcohol.
All of the above are true.

6. On which fires can you use the "ABC" fire extinguisher?
Electrical fires.
Burning fires.
Burning cloth.
All of the above.

7. Which of these statements about speed management is true?
As the speed of a vehicle doubles, its stopping distance also doubles.
You should always brake during curves.
You should choose a speed that lets you stop within the distance that you can see ahead.
Empty trucks always stop in a shorter distance than fully loaded ones.

8. Cargo that can shift should have at least ____ tie downs.

9. If a straight vehicle (no trailer or articulation) goes into a front wheel skid it will:
Slide sideways and spin out.
Go straight ahead even if the steering wheel is turned
Go straight ahead but will turn if you turn the steering wheel.
Likely do any of the above.

10. Which of these is a proper use of vehicle lights and flashers?
Flashing your brake lights to warn someone behind you of a hazard that will require slowing down.
Turning on your headlights during the day when visibility is reduced due to rain or snow.
Flashing your brake lights to warn someone behind you that you're are going to stop on the road.
All of the above.

11. Which of these statements about crossing or entering traffic with a heavy vehicle is true?
Heavy vehicles need larger gaps in traffic than cars.
The heavier your load, the smaller the gap needed to cross traffic.
The best way to cross traffic is to pull the vehicle partway across the road and block one lane while waiting for the other to clear.
Because heavy vehicles are easy to see, you can count on other drivers to move out of your way or slow down for you.

12. You are checking your wheels and rims for a pre trip inspection. Which of these statements is true?
A vehicle can be safely driven with one missing lug nut on a wheel.
Mismatched lock rings can be used on the same vehicle.
Rust around wheel nuts may mean that they are loose.
Cracked wheels or rims can be used if they have been welded.

13. Controlled braking:
Is used to keep a vehicle from skidding.
Involves locking the wheels for short periods of time.
Can be used while you are turning sharply.
All of the above.

14. Your vehicle has hydraulic brakes. While traveling on a level road, you press the brake pedal and find that it goes to the floor. Which of these statements is true?
You should not downshift if you have an automatic transmission.
Pumping the brake pedal may bring the pressure up so you can stop the vehicle.
The parking brake will not work either because it is part of the same hydraulic system.
All of the above are true.

15. Which of these statements about escape ramps is true?
They protect equipment and cargo from severe damage.
They are designed to prevent injury to drivers and passengers.
They are used to stop vehicles that lose their brakes on downhill grades.
All of the above are true.