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

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

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) coupling step

B) turning wide

C) tractor-trailer folds in skid

D) parking trick

Question 2

How avoid jackknife?

A) jerk wheel

B) slam brakes

C) speed up

D) steady braking, no sudden moves

Question 3

How handle doubles in wind?

A) stop in lane

B) slow, extra space, firm grip

C) ignore

D) speed up

Question 4

What is rearward amplification?

A) engine power

B) fuel use

C) last trailer moves most

D) brake force

Question 5

How lane change with doubles?

A) quick swerve

B) tailgate first

C) no signal

D) slower, more space, signal long

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) fast tow

B) safety chains, lights connected

C) no lights

D) loose tow

Question 8

What is kingpin inspection?

A) brand

B) paint color

C) grease amount

D) not bent, cracks, locked

Question 9

What gap between fifth wheel?

A) no gap (tight coupling)

B) 1 inch ok

C) not checked

D) any gap

Question 10

How uncouple safely?

A) any slope

B) level ground, brakes set, lower gear first

C) no brakes

D) fast pull

Question 11

What is trailer ABS light for?

A) decoration

B) shows trailer ABS fault

C) brake lights

D) turn signal

Question 12

How test ABS?

A) ask others

B) no test

C) watch dash + trailer lamp at startup

D) drive test

Question 13

What is landing gear position?

A) down always

B) half down ok

C) fully raised for travel

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) 6+ seconds at speed

B) 2 seconds

C) tailgate

D) no rule

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) no check

B) tug hard

C) connected, sealed, no leaks or tangles

D) visual only

Question 18

What is a tractor protection valve?

A) horn

B) light switch

C) fuel valve

D) keeps tractor air if trailer breaks away

Question 19

How test tractor protection?

A) no test

B) ask others

C) pull trailer supply, check tractor brakes hold

D) drive test

Question 20

What is bobtailing?

A) with doubles

B) parking

C) driving tractor without trailer

D) backing

US Illinois DMV CDL Combination Vehicles Test 7

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