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You passed the Diagnosis of Malfunctions Quiz!
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Question 1 of 14
1. Question
If you do not hear a clicking sound when coupling your tractor and trailer, this could indicate which component has not closed properly?Â
CorrectIncorrectHint
Locks protect.
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Question 2 of 14
2. Question
What are signs of a drive shaft malfunction?
CorrectIncorrect -
Question 3 of 14
3. Question
If you see your tractor is leaning to one side, this could signal that which of the following has malfunctioned?Â
CorrectIncorrect -
Question 4 of 14
4. Question
What two senses can you use to help identify and diagnose your brakes are fading or faded?
CorrectIncorrect -
Question 5 of 14
5. Question
In most cases, what is the first sense that would help you identify burning oil?
CorrectIncorrect -
Question 6 of 14
6. Question
What things should you check during a trip?
CorrectIncorrectHint
The nose knows.
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Question 7 of 14
7. Question
Which of these will happen if a tire blows out at highway speeds?
CorrectIncorrectHint
You may only feel it.
-
Question 8 of 14
8. Question
In a four-stroke diesel engine, fuel is injected into the cylinder during the:
CorrectIncorrectHint
Air gets hotter as it’s compressed.
-
Question 9 of 14
9. Question
An en route inspection should include checking:
CorrectIncorrectHint
Check the safety-critical items.
-
Question 10 of 14
10. Question
What kinds of things should you inspect during a trip?
CorrectIncorrectHint
All the safety-critical items.
-
Question 11 of 14
11. Question
Why can a damaged exhaust system be hazardous to you?
CorrectIncorrectHint
The exhaust system helps remove toxic gases produced by the engine.
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Question 12 of 14
12. Question
In your pre-trip inspection, you are checking your steering and exhaust systems. Which of these problems should be fixed before the vehicle is driven?
CorrectIncorrectHint
Steer safely.
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Question 13 of 14
13. Question
When should you review the post-trip inspection report from the previous driver?
CorrectIncorrectHint
What happened to the last person who drove this vehicle?
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Question 14 of 14
14. Question
When you inspect the air lines, which sense should you use to check for air leaks?
CorrectIncorrectHint
Hiss…
Quiz Summary
0 of 14 Questions completed
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0 of 14 Questions answered correctly
Time has elapsed
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You did not pass the Diagnosis of Malfunctions Quiz!
Please retake the test.
-
CONGATULATIONS!
You passed the Diagnosis of Malfunctions Quiz!
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- 11
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- 13
- 14
- Current
- Review
- Answered
- Correct
- Incorrect
-
Question 1 of 14
1. Question
If you do not hear a clicking sound when coupling your tractor and trailer, this could indicate which component has not closed properly?Â
CorrectIncorrectHint
Locks protect.
-
Question 2 of 14
2. Question
What are signs of a drive shaft malfunction?
CorrectIncorrect -
Question 3 of 14
3. Question
If you see your tractor is leaning to one side, this could signal that which of the following has malfunctioned?Â
CorrectIncorrect -
Question 4 of 14
4. Question
What two senses can you use to help identify and diagnose your brakes are fading or faded?
CorrectIncorrect -
Question 5 of 14
5. Question
In most cases, what is the first sense that would help you identify burning oil?
CorrectIncorrect -
Question 6 of 14
6. Question
What things should you check during a trip?
CorrectIncorrectHint
The nose knows.
-
Question 7 of 14
7. Question
Which of these will happen if a tire blows out at highway speeds?
CorrectIncorrectHint
You may only feel it.
-
Question 8 of 14
8. Question
In a four-stroke diesel engine, fuel is injected into the cylinder during the:
CorrectIncorrectHint
Air gets hotter as it’s compressed.
-
Question 9 of 14
9. Question
An en route inspection should include checking:
CorrectIncorrectHint
Check the safety-critical items.
-
Question 10 of 14
10. Question
What kinds of things should you inspect during a trip?
CorrectIncorrectHint
All the safety-critical items.
-
Question 11 of 14
11. Question
Why can a damaged exhaust system be hazardous to you?
CorrectIncorrectHint
The exhaust system helps remove toxic gases produced by the engine.
-
Question 12 of 14
12. Question
In your pre-trip inspection, you are checking your steering and exhaust systems. Which of these problems should be fixed before the vehicle is driven?
CorrectIncorrectHint
Steer safely.
-
Question 13 of 14
13. Question
When should you review the post-trip inspection report from the previous driver?
CorrectIncorrectHint
What happened to the last person who drove this vehicle?
-
Question 14 of 14
14. Question
When you inspect the air lines, which sense should you use to check for air leaks?
CorrectIncorrectHint
Hiss…