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Question
When uncoupling a triple trailer rig:
Answers
A.  The second trailer should be uncoupled first.
B.  The third trailer should be uncoupled first.
C.  The order of uncoupling is not important.
D.  The heaviest trailer should be uncoupled first.
Explanation
When uncoupling a triple trailer rig, it is important to uncouple the third trailer first. Uncouple the remaining trailers as you would normally uncouple a double.
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17.6 % of our users get this question wrong.
This questions is considered quite Hard

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