To obtain an endorsement for doubles and triples, applicants must show specific knowledge concerning which of the following:
A) Proper placement of the heaviest trailer
B) Correct knowledge for hooking up trailers
C) Special knowledge on steering, off tracking, braking, etc. as it applies to operating doubles/triples
D) Correct knowledge for unhooking trailers
E) All of the above
Correct Answer:
Verified
Q1: The acceptable air pressure loss in a
Q2: Class A drivers require more training because
Q4: When connecting doubles, drivers connect the emergency
Q5: When attaching the converting dolly to the
Q6: When connecting doubles or triples, one of
Q7: The 45° angle reverse maneuver is often
Q8: When hooking up air supply lines between
Q9: When inspecting gladhands, drivers should look for
Q10: Once the tractor and trailer have been
Q11: If drivers notice that the trailer front
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