US Arizona DMV CDL Combination Vehicles Test 1

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

DMV Arizona — Cdl Combination DMV — Arizona (USA, State Traffic Law) USA — Arizona State DMV & FMCSA (MUTCD) — USA

What is this test? for Arizona DMV Cdl Combination permit/CDL, USA (MUTCD) — DMV — Arizona (USA, State Traffic Law) level, USA — Arizona.
Is this for you? For driver candidates in Arizona, USA — Cdl Combination permit/CDL (16+, State DMV)
Section: DMV Arizona — Cdl Combination · Education: High School & Adult (16+) · Part: DMV Arizona — Cdl Combination · Country: USA · Region: USA — Arizona

The DMV written test is an important step measuring driver candidates' knowledge of traffic laws, first aid, and vehicle technology.

This test reinforces your theoretical knowledge and provides the fundamentals needed to pass the exam and become a safe driver.

By solving this test of 20 questions, you can both test your knowledge and identify the topics you need to improve.

Question 1

In Arizona, what is a combination vehicle?

A) single truck

B) tractor plus trailer(s)

C) bus

D) van

Question 2

In Arizona, what is a converter dolly?

A) a spare tire

B) a light

C) device coupling doubles

D) a tool box

Question 3

In Arizona, how couple doubles?

A) no order

B) any order

C) front first always

D) rear trailer, dolly, front trailer in order

Question 4

In Arizona, what is the crack-the-whip effect?

A) engine surge

B) tire pop

C) brake lock

D) rear trailer swings in turns

Question 5

In Arizona, how prevent rollover in combos?

A) slow well below curve speed

B) speed through

C) brake in curve

D) no need

Question 6

In Arizona, what is off-tracking in combos?

A) speeding

B) brake wear

C) rear follows shorter path

D) tire brand

Question 7

In Arizona, how check coupling?

A) radio test

B) paint check

C) fifth-wheel jaws locked, no gap

D) tire shine

Question 8

In Arizona, what is trailer hand valve for?

A) fueling

B) parking

C) testing trailer brakes only

D) lights

Question 9

In Arizona, how test trailer emergency brakes?

A) visual only

B) no test

C) charge, pull supply, tug test

D) drive fast

Question 10

In Arizona, what is a shut-off valve for?

A) horn

B) fuel flow

C) lights

D) controls air to rear in doubles

Question 11

In Arizona, how many valves on last trailer?

A) all open

B) none open (all closed)

C) one open

D) half open

Question 12

In Arizona, what is the air line order?

A) drive then connect

B) connect service+emergency before moving

C) no lines

D) one line enough

Question 13

In Arizona, how inspect pintle hook?

A) no chains

B) loose ok

C) latched, safety chains crossed

D) rust fine

Question 14

In Arizona, what are safety chains for?

A) weight

B) looks

C) backup coupling if hook fails

D) noise

Question 15

In Arizona, how brake with empty trailers?

A) same

B) no brakes

C) gentler (light trailers lock easily)

D) harder

Question 16

In Arizona, what is trailers jackknifing?

A) tractor-trailer folds in skid

B) coupling step

C) parking trick

D) turning wide

Question 17

In Arizona, how avoid jackknife?

A) steady braking, no sudden moves

B) jerk wheel

C) slam brakes

D) speed up

Question 18

In Arizona, how handle doubles in wind?

A) ignore

B) speed up

C) stop in lane

D) slow, extra space, firm grip

Question 19

In Arizona, what is rearward amplification?

A) engine power

B) last trailer moves most

C) fuel use

D) brake force

Question 20

In Arizona, how lane change with doubles?

A) tailgate first

B) no signal

C) quick swerve

D) slower, more space, signal long

US Arizona DMV CDL Combination Vehicles Test 1

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