US South Dakota DMV CDL Air Brakes Test 2

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

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

What is this test? for South Dakota DMV Cdl Air Brakes 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 Air Brakes permit/CDL (16+, State DMV)
Section: DMV South Dakota — Cdl Air Brakes · Education: High School & Adult (16+) · Part: DMV South Dakota — Cdl Air Brakes · 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 happens below 20-45 psi?

A) horn sounds

B) spring brakes fully apply

C) Nothing happens

D) faster stop

Question 2

In South Dakota, how park with air brakes?

A) no brake needed

B) leave in neutral only

C) parking brake on, chock on grades

D) engine running

Question 3

In South Dakota, what is fanning the brakes?

A) parking method

B) repeated apply-release (testing only)

C) driving technique

D) warming brakes

Question 4

In South Dakota, what is stab braking (emergency)?

A) hard brake, release wheels, reapply

B) pump gently

C) use parking brake

D) lock wheels

Question 5

In South Dakota, what is controlled braking?

A) release fully

B) alternate pedals

C) lock all wheels

D) firm pressure without locking

Question 6

In South Dakota, how stop on slippery with ABS?

A) release all

B) firm steady, steer through

C) lock wheels

D) pump hard

Question 7

In South Dakota, what is an alcohol evaporator for?

A) reduces winter moisture freeze

B) cleans tanks

C) adds power

D) heats cab

Question 8

In South Dakota, how drain air tanks?

A) only summer

B) daily (manual) or auto valve check

C) yearly

D) never

Question 9

In South Dakota, why drain tanks?

A) noise

B) water/oil harms braking

C) weight

D) looks

Question 10

In South Dakota, what is a dual air gauge reading?

A) tire temps

B) oil twice

C) primary and secondary tank pressures

D) fuel levels

Question 11

In South Dakota, what if one system fails?

A) other system still brakes (stop safely)

B) no brakes at all

C) nothing changes

D) faster stop

Question 12

In South Dakota, what are air lines colors?

A) green/yellow

B) red emergency, blue service

C) both black

D) no colors

Question 13

In South Dakota, how connect glad hands?

A) any way

B) seals clean, locked, no leaks

C) taped

D) loose ok

Question 14

In South Dakota, how test service brakes?

A) roll ~5 mph, brake firmly, check pull

B) highway test

C) no test

D) ask others

Question 15

In South Dakota, what is stopping distance vs cars?

A) instant

B) much longer for trucks

C) same

D) shorter

Question 16

True or false in South Dakota: compressed air.

A) True

B) False

Question 17

True or false in South Dakota: about 100 psi (85-100 range).

A) True

B) False

Question 18

True or false in South Dakota: about 125 psi (120-135 range).

A) True

B) False

Question 19

True or false in South Dakota: at or before 60 psi (55-75 range).

A) True

B) False

Question 20

True or false in South Dakota: emergency/parking brakes applying on air loss.

A) True

B) False

US South Dakota DMV CDL Air Brakes Test 2

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