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Ontario Class D Test

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Ontario Class D Practice Test 1

1. What is the most frequent reason a vehicle is removed from service?

 
 
 
 

2. What does this yellow diamond sign mean?

 
 
 
 

3.

Spring brakes will begin to apply when the pressure starts to drop below?

 
 
 
 

4.

To apply for a Class D license you must be?

 
 
 
 

5.

How much stopping distance does a truck need compared to a normal car?

 
 
 
 

6. What does this sign mean?

 
 
 
 

7.

What colour are the lights on a school bus arm?

 
 
 
 

8.

The maximum allowable height for a road vehicle is?

 
 
 
 

9.

If you see an open truck inspection station which driving your truck, you must?

 
 
 
 

10.

What is the “cut in” level?

 
 
 
 

11.

Class D license holders under age 80 must pass a knowledge and vision test every?

 
 
 
 

12.

What is the best way to inspect an air compressor?

 
 
 
 

13. What does this speed sign mean?

 
 
 
 

14.

When you license is suspended you _________.

 
 
 
 

15. A broken yellow line on the pavement to the left of you means what?

 
 
 
 

16. Tired drivers are often compared to?

 
 
 
 

17. Test the low pressure alarm with the air pressure above __________.

 
 
 
 

18. What does this yellow sign mean?

 
 
 
 

19. What does this upside down triangle sign mean?

 
 
 
 

20.

What does a governor do in an air brake system?

 
 
 
 

Question 1 of 20