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Chapter 4
End of Chapter Review Questions Answer Key
1. Pretrip and post-trip inspections are a primary responsibility of the:
2. Which of the following helps reduce the amount of PM without compromising
equipment safety?
3. Which body sets the OOS standards that can legally deadline a vehicle?
4. Which type of PM service on a vehicle requires the most hours to perform?
5. When carrying out an inspection of a trailer after the first 500 miles, Technician A
checks brake stroke travel. When inspecting trailers, Technician B checks all areas
where sealant is used and reseals as necessary. Who is correct?
6. How many separate inspections are required for a tractor-double combination with a
converter dolly?
7.
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8. Which engine oil additive neutralizes harmful acids?
9. Which of the following grades of grease can be used in a grease gun?
10. What damage can be caused by overgreasing?
11. SAE 20-weight oil is used to lubricate what part of a trailer every 3 months?
12. In winterizing a truck, which of the following should be done first?
13. Which of the following would help reduce power loss in batteries during winter
driving?
14.
and a dry graphite lubricant on the door locks. Technician B mounts the fuel/water
separator downstream from the fuel heater. Who is correct?
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15. Which of the following is good practice when greasing the kingpin steering knuckle
on a heavy-duty truck?
16. When checking the oil level in a standard transmission with no sight glass, where
should the oil level be?
17. When checking the oil level in a differential carrier, where should the oil level be?
18. Which of the following should be done first when the zerk fitting on a suspension
spring pin does not accept grease?
19. What is the recommended tool used to check the antifreeze protection of coolant?
20. When greasing a U-joint on a driveshaft, grease only exits from three of the four
journal seals on the trunnion. What should you do first?