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Arizona CDL Combination Vehicles Practice Questions - Arizona CDL Combination Vehicles Test Exam
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Question
1
of 25
QUESTION 1 / 25
Which statement is correct about Arizona CDL knowledge-test logistics?
Choose one answer below.
A
ADOT MVD requires at least 80 percent correct on CDL knowledge tests, failed knowledge tests may be retaken the next business day, and Arizona issues CLPs/CDLs under FMCSA standards.
✓
B
Assume private practice sites set the pass score
✓
C
Ignore it if the tractor starts normally
✓
D
Use the trailer hand valve as the main solution
✓
QUESTION 2 / 25
In an Arizona CDL Combination Vehicles scenario, what should the driver do for Arizona CDL knowledge-test logistics?
Choose one answer below.
A
Use a 70 percent passing target
✓
B
Use ADOT MVD CDL information as the official state source and plan for the 80 percent passing standard.
✓
C
Use the trailer hand valve as the main solution
✓
D
Skip the outside inspection
✓
QUESTION 3 / 25
What problem is Arizona CDL knowledge-test logistics meant to prevent?
Choose one answer below.
A
Retake a failed test the same session
✓
B
Skip the outside inspection
✓
C
relying on unofficial test rules or assuming a lower passing score
✓
D
Rely on a private answer key instead of the CDL manual
✓
QUESTION 4 / 25
Which detail should be checked for Arizona CDL knowledge-test logistics?
Choose one answer below.
A
Assume private practice sites set the pass score
✓
B
Rely on a private answer key instead of the CDL manual
✓
C
Treat it as passenger-car driving only
✓
D
80 percent passing score, next-business-day retake wait, and ADOT MVD administration
✓
QUESTION 5 / 25
Why is Arizona CDL knowledge-test logistics important on the Arizona CDL Combination Vehicles test?
Choose one answer below.
A
Arizona administers the CLP process while FMCSA sets minimum CDL standards.
✓
B
Use a 70 percent passing target
✓
C
Treat it as passenger-car driving only
✓
D
Ignore it if the tractor starts normally
✓
QUESTION 6 / 25
Which statement is correct about Class A combination vehicle threshold?
Choose one answer below.
A
Treat any pickup and small utility trailer as Group A
✓
B
A Class A/Group A combination generally has a GCWR of 26,001 pounds or more when the towed unit has a GVWR over 10,000 pounds.
✓
C
Ignore it if the tractor starts normally
✓
D
Use the trailer hand valve as the main solution
✓
QUESTION 7 / 25
In an Arizona CDL Combination Vehicles scenario, what should the driver do for Class A combination vehicle threshold?
Choose one answer below.
A
Ignore the towed unit GVWR
✓
B
Use the trailer hand valve as the main solution
✓
C
Identify when the Combination Vehicles test is required for Group A/Class A operation.
✓
D
Skip the outside inspection
✓
QUESTION 8 / 25
What problem is Class A combination vehicle threshold meant to prevent?
Choose one answer below.
A
Use passenger-car weight rules only
✓
B
Skip the outside inspection
✓
C
Rely on a private answer key instead of the CDL manual
✓
D
confusing Class A combinations with straight trucks or light trailers
✓
QUESTION 9 / 25
Which detail should be checked for Class A combination vehicle threshold?
Choose one answer below.
A
26,001-pound GCWR and over-10,000-pound towed-unit GVWR thresholds
✓
B
Treat any pickup and small utility trailer as Group A
✓
C
Rely on a private answer key instead of the CDL manual
✓
D
Treat it as passenger-car driving only
✓
QUESTION 10 / 25
Why is Class A combination vehicle threshold important on the Arizona CDL Combination Vehicles test?
Choose one answer below.
A
Ignore the towed unit GVWR
✓
B
The Combination Vehicles test supports Group A licensing decisions.
✓
C
Treat it as passenger-car driving only
✓
D
Ignore it if the tractor starts normally
✓
QUESTION 11 / 25
Which statement is correct about fifth wheel and kingpin?
Choose one answer below.
A
Use the landing gear as the primary coupling lock
✓
B
Ignore it if the tractor starts normally
✓
C
The trailer kingpin enters the tractor fifth wheel and is held by locking jaws; this is the primary tractor-trailer coupling connection.
✓
D
Use the trailer hand valve as the main solution
✓
QUESTION 12 / 25
In an Arizona CDL Combination Vehicles scenario, what should the driver do for fifth wheel and kingpin?
Choose one answer below.
A
Assume grease alone holds the trailer
✓
B
Use the trailer hand valve as the main solution
✓
C
Skip the outside inspection
✓
D
Inspect the kingpin, fifth wheel plate, locking jaws, release handle, and mounting before operating.
✓
QUESTION 13 / 25
What problem is fifth wheel and kingpin meant to prevent?
Choose one answer below.
A
trailer separation caused by an unsecured coupling
✓
B
Check only the trailer doors
✓
C
Skip the outside inspection
✓
D
Rely on a private answer key instead of the CDL manual
✓
QUESTION 14 / 25
Which detail should be checked for fifth wheel and kingpin?
Choose one answer below.
A
Use the landing gear as the primary coupling lock
✓
B
jaws closed around the kingpin with the release handle locked
✓
C
Rely on a private answer key instead of the CDL manual
✓
D
Treat it as passenger-car driving only
✓
QUESTION 15 / 25
Why is fifth wheel and kingpin important on the Arizona CDL Combination Vehicles test?
Choose one answer below.
A
Assume grease alone holds the trailer
✓
B
Treat it as passenger-car driving only
✓
C
A secure fifth wheel and kingpin connection is essential before any trailer brake or light check matters.
✓
D
Ignore it if the tractor starts normally
✓
QUESTION 16 / 25
Which statement is correct about basic coupling sequence and tug test?
Choose one answer below.
A
Raise landing gear before backing under
✓
B
Ignore it if the tractor starts normally
✓
C
Use the trailer hand valve as the main solution
✓
D
A safe coupling sequence includes inspecting, aligning, backing under, tug testing with trailer brakes set, visually checking the lock, connecting lines, charging/testing brakes, and raising landing gear.
✓
QUESTION 17 / 25
In an Arizona CDL Combination Vehicles scenario, what should the driver do for basic coupling sequence and tug test?
Choose one answer below.
A
Perform the tug test gently in low gear with trailer brakes set, then complete a visual lock check.
✓
B
Skip the visual check after a tug test
✓
C
Use the trailer hand valve as the main solution
✓
D
Skip the outside inspection
✓
QUESTION 18 / 25
What problem is basic coupling sequence and tug test meant to prevent?
Choose one answer below.
A
Connect lines and drive before checking the lock
✓
B
moving with a trailer that is not actually locked to the tractor
✓
C
Skip the outside inspection
✓
D
Rely on a private answer key instead of the CDL manual
✓
QUESTION 19 / 25
Which detail should be checked for basic coupling sequence and tug test?
Choose one answer below.
A
Raise landing gear before backing under
✓
B
Rely on a private answer key instead of the CDL manual
✓
C
successful tug test plus visual confirmation of jaws, kingpin, no gap, and locked release handle
✓
D
Treat it as passenger-car driving only
✓
QUESTION 20 / 25
Why is basic coupling sequence and tug test important on the Arizona CDL Combination Vehicles test?
Choose one answer below.
A
Skip the visual check after a tug test
✓
B
Treat it as passenger-car driving only
✓
C
Ignore it if the tractor starts normally
✓
D
The sequence catches both obvious and hidden coupling failures.
✓
QUESTION 21 / 25
Which statement is correct about red and blue glad-hands?
Choose one answer below.
A
The red glad-hand is the emergency/supply line and the blue glad-hand is the service line; crossed or leaking lines can make trailer brakes unsafe.
✓
B
Cross the lines if one seal leaks
✓
C
Ignore it if the tractor starts normally
✓
D
Use the trailer hand valve as the main solution
✓
QUESTION 22 / 25
In an Arizona CDL Combination Vehicles scenario, what should the driver do for red and blue glad-hands?
Choose one answer below.
A
Use line color only for trailer lights
✓
B
Match red to red and blue to blue, then check seals and leaks after charging the trailer.
✓
C
Use the trailer hand valve as the main solution
✓
D
Skip the outside inspection
✓
QUESTION 23 / 25
What problem is red and blue glad-hands meant to prevent?
Choose one answer below.
A
Ignore a quiet glad-hand leak
✓
B
Skip the outside inspection
✓
C
incorrect or missing trailer service and emergency brake function
✓
D
Rely on a private answer key instead of the CDL manual
✓
QUESTION 24 / 25
Which detail should be checked for red and blue glad-hands?
Choose one answer below.
A
Cross the lines if one seal leaks
✓
B
Rely on a private answer key instead of the CDL manual
✓
C
Treat it as passenger-car driving only
✓
D
clean seals, correct color matching, secure line support, and no audible leaks
✓
QUESTION 25 / 25
Why is red and blue glad-hands important on the Arizona CDL Combination Vehicles test?
Choose one answer below.
A
Trailer brakes depend on correctly connected supply and service air lines.
✓
B
Use line color only for trailer lights
✓
C
Treat it as passenger-car driving only
✓
D
Ignore it if the tractor starts normally
✓
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