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

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

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) parking trick

B) coupling step

C) tractor-trailer folds in skid

D) turning wide

Question 2

How avoid jackknife?

A) steady braking, no sudden moves

B) jerk wheel

C) speed up

D) slam brakes

Question 3

How handle doubles in wind?

A) speed up

B) stop in lane

C) ignore

D) slow, extra space, firm grip

Question 4

What is rearward amplification?

A) fuel use

B) engine power

C) last trailer moves most

D) brake force

Question 5

How lane change with doubles?

A) tailgate first

B) no signal

C) slower, more space, signal long

D) quick swerve

Question 6

What is a lowboy trailer?

A) van

B) tanker

C) low deck for heavy equipment

D) food trailer

Question 7

How secure converter dolly?

A) no lights

B) loose tow

C) fast tow

D) safety chains, lights connected

Question 8

What is kingpin inspection?

A) paint color

B) grease amount

C) brand

D) not bent, cracks, locked

Question 9

What gap between fifth wheel?

A) not checked

B) 1 inch ok

C) any gap

D) no gap (tight coupling)

Question 10

How uncouple safely?

A) no brakes

B) fast pull

C) level ground, brakes set, lower gear first

D) any slope

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) watch dash + trailer lamp at startup

D) no test

Question 13

What is landing gear position?

A) half down ok

B) fully raised for travel

C) down always

D) dragging fine

Question 14

How cross railroad with doubles?

A) know clearance, never stop on tracks

B) race gates

C) stop on tracks

D) shift on tracks

Question 15

What following distance for combos?

A) no rule

B) 2 seconds

C) 6+ seconds at speed

D) tailgate

Question 16

What are trailer brakes types?

A) service, emergency, parking

B) hand only

C) one type

D) no trailer brakes

Question 17

How check air lines on doubles?

A) tug hard

B) visual only

C) connected, sealed, no leaks or tangles

D) no check

Question 18

What is a tractor protection valve?

A) keeps tractor air if trailer breaks away

B) fuel valve

C) horn

D) light switch

Question 19

How test tractor protection?

A) no test

B) drive test

C) pull trailer supply, check tractor brakes hold

D) ask others

Question 20

What is bobtailing?

A) with doubles

B) driving tractor without trailer

C) parking

D) backing

US Maryland DMV CDL Combination Vehicles Test 7

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