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

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

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 Virginia: one type.

A) True

B) False

Question 2

True or false in Virginia: visual only.

A) True

B) False

Question 3

True or false in Virginia: fuel valve.

A) True

B) False

Question 4

True or false in Virginia: with doubles.

A) True

B) False

Question 5

Which is correct about CDL combination vehicles in Virginia?

A) bus

B) tractor plus trailer(s)

C) single truck

D) van

Question 6

What is a combination vehicle?

A) tractor plus trailer(s)

B) van

C) single truck

D) bus

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) no order

B) front first always

C) rear trailer, dolly, front trailer in order

D) any order

Question 9

What is the crack-the-whip effect?

A) rear trailer swings in turns

B) brake lock

C) tire pop

D) engine surge

Question 10

How prevent rollover in combos?

A) brake in curve

B) no need

C) slow well below curve speed

D) speed through

Question 11

What is off-tracking in combos?

A) brake wear

B) rear follows shorter path

C) speeding

D) tire brand

Question 12

How check coupling?

A) radio test

B) tire shine

C) fifth-wheel jaws locked, no gap

D) paint check

Question 13

What is trailer hand valve for?

A) parking

B) testing trailer brakes only

C) lights

D) fueling

Question 14

How test trailer emergency brakes?

A) drive fast

B) charge, pull supply, tug test

C) visual only

D) no test

Question 15

What is a shut-off valve for?

A) controls air to rear in doubles

B) fuel flow

C) horn

D) lights

Question 16

How many valves on last trailer?

A) half open

B) none open (all closed)

C) all open

D) one open

Question 17

What is the air line order?

A) one line enough

B) connect service+emergency before moving

C) no lines

D) drive then connect

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) noise

B) weight

C) looks

D) backup coupling if hook fails

Question 20

How brake with empty trailers?

A) no brakes

B) harder

C) same

D) gentler (light trailers lock easily)

US Virginia DMV CDL Combination Vehicles Test 6

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