US District Of Columbia DMV CDL Combination Vehicles Test 2

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

DMV District Of Columbia — Cdl Combination DMV — District Of Columbia (USA, State Traffic Law) USA — District Of Columbia State DMV & FMCSA (MUTCD) — USA

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

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

In District Of Columbia, what is a lowboy trailer?

A) van

B) tanker

C) low deck for heavy equipment

D) food trailer

Question 2

In District Of Columbia, how secure converter dolly?

A) fast tow

B) no lights

C) safety chains, lights connected

D) loose tow

Question 3

In District Of Columbia, what is kingpin inspection?

A) grease amount

B) brand

C) paint color

D) not bent, cracks, locked

Question 4

In District Of Columbia, what gap between fifth wheel?

A) 1 inch ok

B) no gap (tight coupling)

C) not checked

D) any gap

Question 5

In District Of Columbia, how uncouple safely?

A) any slope

B) no brakes

C) level ground, brakes set, lower gear first

D) fast pull

Question 6

In District Of Columbia, what is trailer ABS light for?

A) shows trailer ABS fault

B) brake lights

C) decoration

D) turn signal

Question 7

In District Of Columbia, how test ABS?

A) ask others

B) drive test

C) watch dash + trailer lamp at startup

D) no test

Question 8

In District Of Columbia, what is landing gear position?

A) fully raised for travel

B) dragging fine

C) down always

D) half down ok

Question 9

In District Of Columbia, how cross railroad with doubles?

A) know clearance, never stop on tracks

B) race gates

C) stop on tracks

D) shift on tracks

Question 10

In District Of Columbia, what following distance for combos?

A) 2 seconds

B) 6+ seconds at speed

C) no rule

D) tailgate

Question 11

In District Of Columbia, what are trailer brakes types?

A) no trailer brakes

B) hand only

C) service, emergency, parking

D) one type

Question 12

In District Of Columbia, how check air lines on doubles?

A) tug hard

B) no check

C) connected, sealed, no leaks or tangles

D) visual only

Question 13

In District Of Columbia, what is a tractor protection valve?

A) horn

B) light switch

C) fuel valve

D) keeps tractor air if trailer breaks away

Question 14

In District Of Columbia, how test tractor protection?

A) drive test

B) ask others

C) no test

D) pull trailer supply, check tractor brakes hold

Question 15

In District Of Columbia, what is bobtailing?

A) backing

B) driving tractor without trailer

C) with doubles

D) parking

Question 16

True or false in District Of Columbia: tractor plus trailer(s).

A) True

B) False

Question 17

True or false in District Of Columbia: device coupling doubles.

A) True

B) False

Question 18

True or false in District Of Columbia: rear trailer, dolly, front trailer in order.

A) True

B) False

Question 19

True or false in District Of Columbia: rear trailer swings in turns.

A) True

B) False

Question 20

True or false in District Of Columbia: slow well below curve speed.

A) True

B) False

US District Of Columbia DMV CDL Combination Vehicles Test 2

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