CNSL 503 MOD 4 EXAM REVIEW SOLVED QUESTIONS COMPLETE ANSWERS GRADED A
PLUS
CNSL 503 MOD 4 Final TEST Study Guide
2026/2027 Questions and Answers Verified Solutions
Latest Update
Question:
If air service line is loose or damaged you will.
Answer:
a. suffer a serious leak when you apply the brakes. b. increase your stopping distance. C. drain out
your air tanks. all of the above.
Question:
Backing under your trailer at an angle can:.
Answer:
a. push the trailer sideways. c.damage/break the landing gear. d. both A and C.
Question:
When performing the tug test, when should you stop?
Answer:
As soon as you feel resistance from the trailer
Question:
What is the safest way to lower and raise your trailer's landing gear in high gear?
Answer:
a. Face the trailer and spin the crank handle around your wrist. b.Face the trailer, keep your feet
apart, and rest one hand on the trailer. both a and b
, Question:
How can you pull the fifth wheel release handle in a way that doesn't put yourself at risk of injury?
Answer:
Bend at the knees, keep your legs and feet clear of the rear tractor wheels, square yourself up with
the handle, and pull straight out.
Question:
When positioning the converter dolly for coupling, you should roll the converter dolly up to the
front of the rear trailer and stop when:.
Answer:
the finding wheel makes contact with the front of the trailer apron plate.
Question:
When preparing to couple a rear trailer to a converter dolly, the trailer height should be the center of
the fifth wheel.
Answer:
slightly lower than
Question:
How can you ease pressure on the fifth wheel locking jaws before uncoupling your tractor-trailer?
Answer:
Lock the trailer brakes and back up gently
Question:
You are loading a standard double with 20,000 pounds of cargo. Which of the following is the best
way to distribute the weight between the two trailers?
Answer:
11,000 lbs. on lead trailer, 9,000 lbs. on rear
PLUS
CNSL 503 MOD 4 Final TEST Study Guide
2026/2027 Questions and Answers Verified Solutions
Latest Update
Question:
If air service line is loose or damaged you will.
Answer:
a. suffer a serious leak when you apply the brakes. b. increase your stopping distance. C. drain out
your air tanks. all of the above.
Question:
Backing under your trailer at an angle can:.
Answer:
a. push the trailer sideways. c.damage/break the landing gear. d. both A and C.
Question:
When performing the tug test, when should you stop?
Answer:
As soon as you feel resistance from the trailer
Question:
What is the safest way to lower and raise your trailer's landing gear in high gear?
Answer:
a. Face the trailer and spin the crank handle around your wrist. b.Face the trailer, keep your feet
apart, and rest one hand on the trailer. both a and b
, Question:
How can you pull the fifth wheel release handle in a way that doesn't put yourself at risk of injury?
Answer:
Bend at the knees, keep your legs and feet clear of the rear tractor wheels, square yourself up with
the handle, and pull straight out.
Question:
When positioning the converter dolly for coupling, you should roll the converter dolly up to the
front of the rear trailer and stop when:.
Answer:
the finding wheel makes contact with the front of the trailer apron plate.
Question:
When preparing to couple a rear trailer to a converter dolly, the trailer height should be the center of
the fifth wheel.
Answer:
slightly lower than
Question:
How can you ease pressure on the fifth wheel locking jaws before uncoupling your tractor-trailer?
Answer:
Lock the trailer brakes and back up gently
Question:
You are loading a standard double with 20,000 pounds of cargo. Which of the following is the best
way to distribute the weight between the two trailers?
Answer:
11,000 lbs. on lead trailer, 9,000 lbs. on rear
