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Knowledge Test 7

1. Which of these tell you that cargo contains hazardous materials?
A four inch, diamond shaped hazardous materials label on the container.
The name of the hazard class on the shipping paper.
A hazardous materials placard on the vehicle.
All of the above.

2. To prevent shifting, there should be at least one tie down for every ____ feet of cargo.

3. Cargo covers:
Protect people from spilled cargo.
Protect cargo from weather.
May be required by law.
All of the above.

4. Which of these statements about accelerating is true?
You should feel a "jerking" motion if you are acceleration your vehicle properly.
Improper acceleration can cause mechanical damage.
When traction is poor, more power should be applied to the accelerator.
All the above are true.

5. You are driving a heavy vehicle with a manual transmission. You have to stop the vehicle on the shoulder while driving on an upgrade. Which of these is a good rule to follow when putting it back in motion.
Use the parking brake to hold the vehicle until the clutch engages.
Let the vehicle roll backwards a few feet before you engage the clutch.
Let the vehicle roll backwards a few feet before you engage the clutch, but turn the wheel so that the back moves away from the roadway.
Keep the clutch slipping while slowly accelerating.

6. Which of these can cause a fire?
Loose fuel connections.
Under-inflated tires.
Electrical short-circuits.
All of the above.

7. You are checking your steering and exhaust systems for a pre-trip inspection. Which of these statements is true?
Some leakage of power steering fluid is normal
Leaks in the exhaust system are not a problem if they are outside the cab.
Steering wheel play of more than 10 degrees (2 inches on a 20-inch steering wheel) can make it hard to steer.
All the above are true.

8. A vehicle is loaded with most of the weight on the steering axle. What may result?
A need to disconnect the steering axle brakes.
Better handling
Too little traction on the steering axle.
Hard steering and possible breakdown.

9. If you are convicted for driving under the influence while driving a commercial vehicle, and this is your first offence, you will most likely get:
A fine of $500.00
Probation for a period of one year
At least a one-year suspension of your CDL
A warning

10. Some liquid tanks are divided into several smaller tanks by:
Bore tanks

11. Front end header boards:
Block the forward movement of your cargo
Protect you from your cargo in case of collision
Both of the above
None of the above

12. The height of the vehicle center of gravity is very important for safe handling. A high center of gravity means you are more likely to do the following:
Increase speed going down hill
Increase stopping distance
Roll over
None of the above

13. The load means the following?
Specified pressure an air tire can carry
The maximum safe weight a tire can carry at a specified pressure
Both of the above
None of the above

14. Whether or not you load and secure your load yourself, you are responsible for:
Knowing your cargo is securely tied down and covered
Inspecting your cargo
Recognizing overloads and poorly balanced weight
All of the above

15. When approaching a curve you should:
Downshift as you come out of the curve
Downshift while in the curve
Downshift before entering the curve and accelerate slightly as you go through it
Downshift at anytime, it doesn't make a difference