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

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

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 Maine: one type.

A) True

B) False

Question 2

True or false in Maine: visual only.

A) True

B) False

Question 3

True or false in Maine: fuel valve.

A) True

B) False

Question 4

True or false in Maine: with doubles.

A) True

B) False

Question 5

Which is correct about CDL combination vehicles in Maine?

A) bus

B) single truck

C) van

D) tractor plus trailer(s)

Question 6

What is a combination vehicle?

A) van

B) bus

C) single truck

D) tractor plus trailer(s)

Question 7

What is a converter dolly?

A) a tool box

B) a spare tire

C) device coupling doubles

D) a light

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) tire pop

B) rear trailer swings in turns

C) engine surge

D) brake lock

Question 10

How prevent rollover in combos?

A) slow well below curve speed

B) no need

C) brake in curve

D) speed through

Question 11

What is off-tracking in combos?

A) speeding

B) brake wear

C) tire brand

D) rear follows shorter path

Question 12

How check coupling?

A) fifth-wheel jaws locked, no gap

B) paint check

C) radio test

D) tire shine

Question 13

What is trailer hand valve for?

A) lights

B) fueling

C) testing trailer brakes only

D) parking

Question 14

How test trailer emergency brakes?

A) visual only

B) charge, pull supply, tug test

C) no test

D) drive fast

Question 15

What is a shut-off valve for?

A) lights

B) horn

C) controls air to rear in doubles

D) fuel flow

Question 16

How many valves on last trailer?

A) one open

B) none open (all closed)

C) all open

D) half open

Question 17

What is the air line order?

A) one line enough

B) drive then connect

C) connect service+emergency before moving

D) no lines

Question 18

How inspect pintle hook?

A) rust fine

B) loose ok

C) latched, safety chains crossed

D) no chains

Question 19

What are safety chains for?

A) weight

B) backup coupling if hook fails

C) looks

D) noise

Question 20

How brake with empty trailers?

A) gentler (light trailers lock easily)

B) no brakes

C) same

D) harder

US Maine DMV CDL Combination Vehicles Test 6

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