US Missouri DMV CDL Combination Vehicles Test 6

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

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

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

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

True or false in Missouri: one type.

A) True

B) False

Question 2

True or false in Missouri: visual only.

A) True

B) False

Question 3

True or false in Missouri: fuel valve.

A) True

B) False

Question 4

True or false in Missouri: with doubles.

A) True

B) False

Question 5

Which is correct about CDL combination vehicles in Missouri?

A) tractor plus trailer(s)

B) bus

C) van

D) single truck

Question 6

What is a combination vehicle?

A) tractor plus trailer(s)

B) van

C) bus

D) single truck

Question 7

What is a converter dolly?

A) a light

B) a spare tire

C) device coupling doubles

D) a tool box

Question 8

How couple doubles?

A) any order

B) rear trailer, dolly, front trailer in order

C) front first always

D) no order

Question 9

What is the crack-the-whip effect?

A) rear trailer swings in turns

B) tire pop

C) brake lock

D) engine surge

Question 10

How prevent rollover in combos?

A) speed through

B) no need

C) slow well below curve speed

D) brake in curve

Question 11

What is off-tracking in combos?

A) tire brand

B) speeding

C) brake wear

D) rear follows shorter path

Question 12

How check coupling?

A) fifth-wheel jaws locked, no gap

B) tire shine

C) radio test

D) paint check

Question 13

What is trailer hand valve for?

A) parking

B) fueling

C) testing trailer brakes only

D) lights

Question 14

How test trailer emergency brakes?

A) visual only

B) charge, pull supply, tug test

C) drive fast

D) no test

Question 15

What is a shut-off valve for?

A) fuel flow

B) lights

C) horn

D) controls air to rear in doubles

Question 16

How many valves on last trailer?

A) half open

B) all open

C) one open

D) none open (all closed)

Question 17

What is the air line order?

A) drive then connect

B) connect service+emergency before moving

C) one line enough

D) no lines

Question 18

How inspect pintle hook?

A) latched, safety chains crossed

B) loose ok

C) rust fine

D) no chains

Question 19

What are safety chains for?

A) backup coupling if hook fails

B) weight

C) noise

D) looks

Question 20

How brake with empty trailers?

A) no brakes

B) harder

C) same

D) gentler (light trailers lock easily)

US Missouri DMV CDL Combination Vehicles Test 6

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