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FREE 2024 North Dakota (ND) Doubles - Triples Quick Review 2

2024 ND Doubles - Triples Information

The doubles and triples CDL endorsement grants the ability to drive a combination of multiple trailers attached to one truck or power unit. Please keep in mind it is illegal to pull triple trailers in many states. Normal doubles and triple jobs can include UPS, Fedex, and more.

We have compiled 60 of the most used doubles and triples endorsement questions, and our questions are based on the information provided by the 2024 North Dakota CDL drivers’ manual. The exam itself will have 20 multiple choice questions on it, and you must score at least 80% (16 out of 20) to pass the doubles and triples exam.

Our CDL Practice tests are based on the real exam, one question per page, multiple choice answers, and one chance to get it right. However, our practice tests will provide immediate feedback, showing the question again, highlighting the correct answer, and giving a brief explanation why that answer is correct.

Image of North Dakota's Driver's License

Based on the 2024 ND CDL Driver's Manual

ND Doubles - Triples Fact Sheet
Questions on Test:
20
Correct answers needed to pass:
16
Passing Score:
80%
Age to apply:
18
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You are driving a 100-foot twin trailer combination at 50 mph. The road is dry, and visibility is good. You should keep at least _____ seconds of space ahead of you.

Possible Answers:

10
12
11
Answer:
11
Explanation:
One good rule says you need at least one second for each 10 feet of vehicle length at speeds below 40 mph. At greater speeds, you must add 1 second for safety.
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  1. You are driving a 100-foot twin trailer combination at 50 mph. The road is dry, and visibility is good. You should keep at least _____ seconds of space ahead of you.
  2. Some large trucks have convex or spot mirrors.
  3. Which of these statements about managing space to the sides is true?
  4. Which of these statements about handling of doubles and triples is true?
  5. When should you check your mirrors while making a lane change?
  6. Before you can supply air to the air tanks of a second trailer you need to:
  7. If you must drive through deep puddles or flowing water, which of these should you not do?
  8. During an inspection of a double or triple combination, check the usual things for any combination vehicle and check
  9. When you pull two or three trailers, you should look farther ahead because
  10. If you want to couple a second trailer to your combination vehicle, secure it by using?
  11. Which of these statements about quick steering movements and doubles / triples is true?
  12. The best way to keep brakes from overheating while going down a steep grade is to:
  13. Converter dollies:
  14. You are driving a set of doubles, and a set of trailer wheels goes into a skid. Which of these is most likely to occur?
  15. Antilock brakes (ABS) have been required on all converter dollies built since
  16. Why must you inspect your double or triple combination vehicle more extensively than a vehicle with only one such semitrailer?
  17. Which of these statements about seeing ahead is true?
  18. The crack the whip effects trucks with trailers. Which of the following is most likely to tip over?
  19. A converter dolly consists of a ______ wheel and ________ axles.
  20. The first step in uncoupling a converter dolly is
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