US Wyoming DMV CDL Combination Vehicles Test 8

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

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

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

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

What is a combination vehicle?

A) bus

B) single truck

C) van

D) tractor plus trailer(s)

Question 2

What is a converter dolly?

A) a spare tire

B) a light

C) a tool box

D) device coupling doubles

Question 3

How couple doubles?

A) front first always

B) no order

C) any order

D) rear trailer, dolly, front trailer in order

Question 4

What is the crack-the-whip effect?

A) brake lock

B) engine surge

C) rear trailer swings in turns

D) tire pop

Question 5

How prevent rollover in combos?

A) speed through

B) brake in curve

C) no need

D) slow well below curve speed

Question 6

What is off-tracking in combos?

A) tire brand

B) brake wear

C) rear follows shorter path

D) speeding

Question 7

How check coupling?

A) fifth-wheel jaws locked, no gap

B) paint check

C) radio test

D) tire shine

Question 8

What is trailer hand valve for?

A) fueling

B) testing trailer brakes only

C) parking

D) lights

Question 9

How test trailer emergency brakes?

A) visual only

B) no test

C) drive fast

D) charge, pull supply, tug test

Question 10

What is a shut-off valve for?

A) fuel flow

B) controls air to rear in doubles

C) lights

D) horn

Question 11

How many valves on last trailer?

A) one open

B) half open

C) none open (all closed)

D) all open

Question 12

What is the air line order?

A) one line enough

B) no lines

C) connect service+emergency before moving

D) drive then connect

Question 13

How inspect pintle hook?

A) latched, safety chains crossed

B) rust fine

C) loose ok

D) no chains

Question 14

What are safety chains for?

A) weight

B) looks

C) backup coupling if hook fails

D) noise

Question 15

How brake with empty trailers?

A) gentler (light trailers lock easily)

B) same

C) no brakes

D) harder

Question 16

What is trailers jackknifing?

A) tractor-trailer folds in skid

B) parking trick

C) turning wide

D) coupling step

Question 17

How avoid jackknife?

A) steady braking, no sudden moves

B) speed up

C) slam brakes

D) jerk wheel

Question 18

How handle doubles in wind?

A) slow, extra space, firm grip

B) stop in lane

C) ignore

D) speed up

Question 19

What is rearward amplification?

A) fuel use

B) brake force

C) last trailer moves most

D) engine power

Question 20

How lane change with doubles?

A) tailgate first

B) slower, more space, signal long

C) quick swerve

D) no signal

US Wyoming DMV CDL Combination Vehicles Test 8

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