CDL DOUBLES TRIPLES ENDORSEMENT
ACTUAL EXAM SCRIPT 2026 COMPLETE
QUESTIONS ANSWERS GRADED A+
● Which of these statements is true about quick steering movements
with a set of doubles or triples? Answer: A set of doubles or triples turn
over more easily thank any other vehicle combinations
● Which of these statements is true about managing space on the sides
of your vehicle? Answer: Avoid traveling next to others when possible
● Before you can supply air to the air tanks of a second trailer you need
to: Answer: Open the shut-off valves at the rear of the first trailer and
close the shut-off valves at the rear of the second trailer
● During normal operation, the brakes on a set of double or triple
trailers are controlled by the: Answer: Foot pedal
● For coupled double or triple trailers, all of the converter dolly shut-off
valves should be: Answer: Open
● Check trailer height before connecting a converter dolly to a second
or third trailer. The trailer height is correct when the: Answer: Trailer
raises slightly when the converter dolly is backed under it
, ● When testing the coupling of double trailers, the landing gear of the
rear trailer should be: Answer: Slightly raised
● Which of these statements is true about speed management and
braking? Answer: You need about four times as much stopping distance
at 40 mph as you need at 20 mph
● You are driving on a slippery road during the day. What does the
Commercial Driver Handbook say about how much space you should
keep ahead of your truck? Answer: Allow "much more space" than is
needed for ideal driving conditions
● Empty or lightly loaded trucks: Answer: May have poor traction due
to bouncing and wheel lockup
● Which of these statements is true? Answer: When coupling a set of
doubles or triples, be sure the pintle-eye of the dolly is in the proper
place
● Which of these statements is true about checking your mirrors?
Answer: Use the mirrors to look for tire fires
● Which of these statements is true about seeing ahead? Answer: Good
drivers shift their attention back and forth, near and far
ACTUAL EXAM SCRIPT 2026 COMPLETE
QUESTIONS ANSWERS GRADED A+
● Which of these statements is true about quick steering movements
with a set of doubles or triples? Answer: A set of doubles or triples turn
over more easily thank any other vehicle combinations
● Which of these statements is true about managing space on the sides
of your vehicle? Answer: Avoid traveling next to others when possible
● Before you can supply air to the air tanks of a second trailer you need
to: Answer: Open the shut-off valves at the rear of the first trailer and
close the shut-off valves at the rear of the second trailer
● During normal operation, the brakes on a set of double or triple
trailers are controlled by the: Answer: Foot pedal
● For coupled double or triple trailers, all of the converter dolly shut-off
valves should be: Answer: Open
● Check trailer height before connecting a converter dolly to a second
or third trailer. The trailer height is correct when the: Answer: Trailer
raises slightly when the converter dolly is backed under it
, ● When testing the coupling of double trailers, the landing gear of the
rear trailer should be: Answer: Slightly raised
● Which of these statements is true about speed management and
braking? Answer: You need about four times as much stopping distance
at 40 mph as you need at 20 mph
● You are driving on a slippery road during the day. What does the
Commercial Driver Handbook say about how much space you should
keep ahead of your truck? Answer: Allow "much more space" than is
needed for ideal driving conditions
● Empty or lightly loaded trucks: Answer: May have poor traction due
to bouncing and wheel lockup
● Which of these statements is true? Answer: When coupling a set of
doubles or triples, be sure the pintle-eye of the dolly is in the proper
place
● Which of these statements is true about checking your mirrors?
Answer: Use the mirrors to look for tire fires
● Which of these statements is true about seeing ahead? Answer: Good
drivers shift their attention back and forth, near and far
