MTO Air Brake
Endorsement test(150
questions and
answers)
What do the foundation components consist of? -
answer The axle and wheel components
The tractor protection valve on towing vehicles is
designed to do what? - answer Prevent air loss
If you notice that your brake system has caging
bolts on it, what should you do? - answer Have it
inspected immediately
Trailer brake subsystems supply air...? - answer
Either service brakes first or spring brakes first;
depending on manufacturer
You have finished your delivery and unhitched from
your trailer. What should you do with the trailer
supply valve? - answer Pull it out
,Which of these trailers can be towed without
waiting for the service brake air tanks to fill? -
answer A trailer with spring brake priority
Which of these is not the type of foundation brake
system? - answer "V" brakes
In the majority of air brake systems, the parking
and emergency brakes are applied by doing what
to the control? - answer Pulling it out
The trailer supply valve will close automatically
when air pressure drops below...? - answer 138 -
311 kPa (20 and 45 psi)
When attaching a trailer, the supply line is usually
color-coded what color? - answer Red
When the tractor protection valve is opened, it
allows air to...? - answer The trailer service line
You should ascertain whether a trailer uses a
spring brake or service brake priority system by...?
- answer Asking your employer or a qualified
person
, How many connections must be made to join a
trailer's brake system to the brake system of the
towing vehicle? - answer Two
The trailer supply valve is usually operated from
the dashboard by a control with a knob of which
color? - answer Red
The spring brake controls are normally what color?
- answer Yellow
To release the spring brakes on a vehicle with a
DD3 Safety Actuator, you must operate the control
valve and then do what? - answer Press the brake
pedal for 3 to 5 seconds
Trailer brake subsystems must apply the spring
brakes automatically when the trailer supply line
pressure drops below...? - answer 414 kPa (60 psi)
If a spring brake priority trailer loses air to the
service brakes, the trailer can only be braked by...?
- answer Closing the trailer supply valve
A caging bolt is used by a technician to do what? -
answer Disable the spring brake chamber
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller FREEMANSHARP. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.