US South Dakota DMV CDL Combination Vehicles Test 7

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

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

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

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) tractor-trailer folds in skid

C) coupling step

D) parking trick

Question 2

How avoid jackknife?

A) slam brakes

B) steady braking, no sudden moves

C) jerk wheel

D) speed up

Question 3

How handle doubles in wind?

A) slow, extra space, firm grip

B) speed up

C) ignore

D) stop in lane

Question 4

What is rearward amplification?

A) last trailer moves most

B) fuel use

C) brake force

D) engine power

Question 5

How lane change with doubles?

A) quick swerve

B) slower, more space, signal long

C) tailgate first

D) no signal

Question 6

What is a lowboy trailer?

A) food trailer

B) van

C) tanker

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) brand

C) grease amount

D) paint color

Question 9

What gap between fifth wheel?

A) any gap

B) 1 inch ok

C) no gap (tight coupling)

D) not checked

Question 10

How uncouple safely?

A) no brakes

B) any slope

C) level ground, brakes set, lower gear first

D) fast pull

Question 11

What is trailer ABS light for?

A) decoration

B) turn signal

C) shows trailer ABS fault

D) brake lights

Question 12

How test ABS?

A) ask others

B) watch dash + trailer lamp at startup

C) drive test

D) no test

Question 13

What is landing gear position?

A) dragging fine

B) down always

C) half down ok

D) fully raised for travel

Question 14

How cross railroad with doubles?

A) know clearance, never stop on tracks

B) stop on tracks

C) race gates

D) shift on tracks

Question 15

What following distance for combos?

A) tailgate

B) no rule

C) 6+ seconds at speed

D) 2 seconds

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) drive test

B) ask others

C) no test

D) pull trailer supply, check tractor brakes hold

Question 20

What is bobtailing?

A) with doubles

B) driving tractor without trailer

C) backing

D) parking

US South Dakota DMV CDL Combination Vehicles Test 7

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