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

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

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 Massachusetts: one type.

A) True

B) False

Question 2

True or false in Massachusetts: visual only.

A) True

B) False

Question 3

True or false in Massachusetts: fuel valve.

A) True

B) False

Question 4

True or false in Massachusetts: with doubles.

A) True

B) False

Question 5

Which is correct about CDL combination vehicles in Massachusetts?

A) single truck

B) van

C) tractor plus trailer(s)

D) bus

Question 6

What is a combination vehicle?

A) van

B) bus

C) tractor plus trailer(s)

D) single truck

Question 7

What is a converter dolly?

A) device coupling doubles

B) a light

C) a spare tire

D) a tool box

Question 8

How couple doubles?

A) front first always

B) rear trailer, dolly, front trailer in order

C) no order

D) any order

Question 9

What is the crack-the-whip effect?

A) brake lock

B) engine surge

C) rear trailer swings in turns

D) tire pop

Question 10

How prevent rollover in combos?

A) brake in curve

B) slow well below curve speed

C) speed through

D) no need

Question 11

What is off-tracking in combos?

A) rear follows shorter path

B) tire brand

C) speeding

D) brake wear

Question 12

How check coupling?

A) paint check

B) fifth-wheel jaws locked, no gap

C) radio test

D) tire shine

Question 13

What is trailer hand valve for?

A) parking

B) fueling

C) lights

D) testing trailer brakes only

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) lights

B) fuel flow

C) controls air to rear in doubles

D) horn

Question 16

How many valves on last trailer?

A) none open (all closed)

B) one open

C) half open

D) all open

Question 17

What is the air line order?

A) no lines

B) drive then connect

C) connect service+emergency before moving

D) one line enough

Question 18

How inspect pintle hook?

A) latched, safety chains crossed

B) no chains

C) loose ok

D) rust fine

Question 19

What are safety chains for?

A) backup coupling if hook fails

B) noise

C) looks

D) weight

Question 20

How brake with empty trailers?

A) same

B) gentler (light trailers lock easily)

C) harder

D) no brakes

US Massachusetts DMV CDL Combination Vehicles Test 6

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