Answered

All of the following are advantages of air brake systems over hydraulic systems, EXCEPT
Select one:
a. They enable easier and faster coupling and uncoupling of trailers from the tractor unit
b. They can maintain brake pressure at higher altitudes.
C.
The speed of air pressure transmission is higher
d. The supply of air is limitless.
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Answer :

GinnyAnswer
The correct answer is: b. They can maintain brake pressure at higher altitudes. Explanation: 1. Air brake systems do have advantages over hydraulic systems, such as easier and faster coupling and uncoupling of trailers from the tractor unit. 2. Air brake systems can also maintain brake pressure at higher altitudes, unlike hydraulic systems that may struggle with pressure maintenance in such conditions. 3. The speed of air pressure transmission is indeed higher in air brake systems compared to hydraulic systems, which allows for quicker response times. 4. However, the supply of air is not limitless in air brake systems, as it requires a compressor to generate and maintain the air pressure needed for braking. So, the statement "The supply of air is limitless" is incorrect when comparing air brake systems to hydraulic systems.

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