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That the towed unit is immobilized
Before uncoupling, any unexpected movement of the towed unit must be prevented by securing it with its parking brake or equivalent system where applicable.
That the tractor engine keeps revving
Incorrect answer for this practice-bank question.
That the load is shifted to release tension
Incorrect answer for this practice-bank question.
Explanation
Before uncoupling, any unexpected movement of the towed unit must be prevented by securing it with its parking brake or equivalent system where applicable.
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- Before driving a C+E combination, it is advisable to check:
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