You are visually checking the coupling of a truck and trailer. You should ensure:

There is no space between the upper and lower fifth wheel.. Section 6.4: There should be no daylight (space) between the upper and lower

You are visually checking the coupling of a truck and trailer. You should ensure:

ANSWER BREAKDOWN
  • A. Correct. There should be no daylight (space) between the upper and lower fifth wheel plates.
  • B. Incorrect. "The landing gear is down." is not correct. There should be no daylight (space) between the upper and lower fifth wheel plates.
  • C. Incorrect. "The kingpin is missing." is not correct. There should be no daylight (space) between the upper and lower fifth wheel plates.
  • D. Incorrect. "The fifth wheel is tilted down." is not correct. There should be no daylight (space) between the upper and lower fifth wheel plates.