US South Dakota DMV CDL Combination Vehicles Test 1

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

In South Dakota, what is a combination vehicle?

A) bus

B) single truck

C) tractor plus trailer(s)

D) van

Question 2

In South Dakota, what is a converter dolly?

A) a spare tire

B) device coupling doubles

C) a light

D) a tool box

Question 3

In South Dakota, how couple doubles?

A) rear trailer, dolly, front trailer in order

B) front first always

C) no order

D) any order

Question 4

In South Dakota, what is the crack-the-whip effect?

A) engine surge

B) tire pop

C) brake lock

D) rear trailer swings in turns

Question 5

In South Dakota, how prevent rollover in combos?

A) no need

B) speed through

C) slow well below curve speed

D) brake in curve

Question 6

In South Dakota, what is off-tracking in combos?

A) rear follows shorter path

B) speeding

C) brake wear

D) tire brand

Question 7

In South Dakota, how check coupling?

A) radio test

B) tire shine

C) paint check

D) fifth-wheel jaws locked, no gap

Question 8

In South Dakota, what is trailer hand valve for?

A) lights

B) parking

C) testing trailer brakes only

D) fueling

Question 9

In South Dakota, how test trailer emergency brakes?

A) drive fast

B) no test

C) visual only

D) charge, pull supply, tug test

Question 10

In South Dakota, what is a shut-off valve for?

A) fuel flow

B) controls air to rear in doubles

C) lights

D) horn

Question 11

In South Dakota, how many valves on last trailer?

A) one open

B) all open

C) none open (all closed)

D) half open

Question 12

In South Dakota, what is the air line order?

A) one line enough

B) connect service+emergency before moving

C) drive then connect

D) no lines

Question 13

In South Dakota, how inspect pintle hook?

A) no chains

B) latched, safety chains crossed

C) loose ok

D) rust fine

Question 14

In South Dakota, what are safety chains for?

A) noise

B) weight

C) looks

D) backup coupling if hook fails

Question 15

In South Dakota, how brake with empty trailers?

A) no brakes

B) same

C) harder

D) gentler (light trailers lock easily)

Question 16

In South Dakota, what is trailers jackknifing?

A) tractor-trailer folds in skid

B) coupling step

C) parking trick

D) turning wide

Question 17

In South Dakota, how avoid jackknife?

A) slam brakes

B) steady braking, no sudden moves

C) speed up

D) jerk wheel

Question 18

In South Dakota, how handle doubles in wind?

A) ignore

B) slow, extra space, firm grip

C) stop in lane

D) speed up

Question 19

In South Dakota, what is rearward amplification?

A) engine power

B) last trailer moves most

C) fuel use

D) brake force

Question 20

In South Dakota, how lane change with doubles?

A) no signal

B) slower, more space, signal long

C) quick swerve

D) tailgate first

US South Dakota DMV CDL Combination Vehicles Test 1

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