Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
logo
  • CDL COMBINATION
  • CDL COMBINATION
To add items to your wishlist, you must be logged in
Document preview thumbnail
Preview 2 out of 10 pages
Exam (elaborations)

CDL COMBINATION VEHICLES III CERTIFICATION ASSESSMENT 2026 VERIFIED ANSWERS GRADED A+

0.0
(0 reviews)
- sold
10 pages
2025/2026 Written for academic year
Institution CDL COMBINATION
Course CDL COMBINATION
Document preview thumbnail
Preview 2 out of 10 pages

CDL COMBINATION VEHICLES III CERTIFICATION ASSESSMENT 2026 VERIFIED ANSWERS GRADED A+

Content preview

CDL COMBINATION VEHICLES III
CERTIFICATION ASSESSMENT 2026 VERIFIED
ANSWERS GRADED A+

◉ You are driving a combination vehicle when the trailer breaks
away, pulling apart both air lines. You would expect the trailer
brakes to come on and ...
1. the tractor to lose all air pressure
2. the tractor protection valve to close
3. the trailer supply valve to stay open.
Answer: the tractor protection valve to close


◉ When you drive a set of doubles, which shut-off valve must be
closed in the last trailer?
1. Middle section
2. front section
3. back section.
Answer: back section


◉ The fifth wheel locking lever is not locked after the jaws close
around the kingpin. This means that...
1. the parking lock is off and you may drive away

, 2. the trailer will not swivel on the fifth wheel
3. the coupling is not right and should be fixed before you drive the
coupled unit.
Answer: the coupling is not right and should be fixed before you
drive the coupled unit


◉ What gear should the tractor engine be in after you uncouple the
trailer and are inspecting the trailer?
1. neutral
2. low reverse
3. high reverse.
Answer: neutral


◉ After you supply air to the trailer, make sure the air lines are not
crossed and the trailer brakes are working. This is done by ..
1. lifting the brake pedal
2. applying and releasing the trailer brakes and listening for brake
sounds
3. turning on the parking brake from the cab.
Answer: applying and releasing the trailer brakes and listening for
brake sounds


◉ If the brakes did not release when you pushed the trailer air
supply valve, you should ...

Document information

Uploaded on
May 18, 2026
Number of pages
10
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers
Report Copyright Violation
$12.99
Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF
Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
TopGradeInsider
4.2
(13)
Sold
150
Followers
2
Items
53024
Last sold
1 day ago

Browse related subjects

Subjects

  • cdl combination vehicles iii certification assessm

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Learn more Create citation
Working on your references?

Frequently asked questions