US Washington DMV CDL Combination Vehicles Test 7

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

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

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

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

What is trailers jackknifing?

A) turning wide

B) parking trick

C) tractor-trailer folds in skid

D) coupling step

Question 2

How avoid jackknife?

A) speed up

B) slam brakes

C) steady braking, no sudden moves

D) jerk wheel

Question 3

How handle doubles in wind?

A) ignore

B) stop in lane

C) speed up

D) slow, extra space, firm grip

Question 4

What is rearward amplification?

A) brake force

B) fuel use

C) last trailer moves most

D) engine power

Question 5

How lane change with doubles?

A) tailgate first

B) slower, more space, signal long

C) no signal

D) quick swerve

Question 6

What is a lowboy trailer?

A) food trailer

B) tanker

C) van

D) low deck for heavy equipment

Question 7

How secure converter dolly?

A) loose tow

B) fast tow

C) safety chains, lights connected

D) no lights

Question 8

What is kingpin inspection?

A) not bent, cracks, locked

B) grease amount

C) brand

D) paint color

Question 9

What gap between fifth wheel?

A) no gap (tight coupling)

B) any gap

C) not checked

D) 1 inch ok

Question 10

How uncouple safely?

A) any slope

B) no brakes

C) fast pull

D) level ground, brakes set, lower gear first

Question 11

What is trailer ABS light for?

A) turn signal

B) shows trailer ABS fault

C) decoration

D) brake lights

Question 12

How test ABS?

A) drive test

B) ask others

C) no test

D) watch dash + trailer lamp at startup

Question 13

What is landing gear position?

A) down always

B) fully raised for travel

C) dragging fine

D) half down ok

Question 14

How cross railroad with doubles?

A) race gates

B) know clearance, never stop on tracks

C) stop on tracks

D) shift on tracks

Question 15

What following distance for combos?

A) no rule

B) 2 seconds

C) tailgate

D) 6+ seconds at speed

Question 16

What are trailer brakes types?

A) one type

B) service, emergency, parking

C) no trailer brakes

D) hand only

Question 17

How check air lines on doubles?

A) tug hard

B) no check

C) visual only

D) connected, sealed, no leaks or tangles

Question 18

What is a tractor protection valve?

A) light switch

B) keeps tractor air if trailer breaks away

C) horn

D) fuel valve

Question 19

How test tractor protection?

A) drive test

B) ask others

C) no test

D) pull trailer supply, check tractor brakes hold

Question 20

What is bobtailing?

A) driving tractor without trailer

B) backing

C) with doubles

D) parking

US Washington DMV CDL Combination Vehicles Test 7

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