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

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

In Maryland, what happens below 20-45 psi?

A) spring brakes fully apply

B) faster stop

C) Nothing happens

D) horn sounds

Question 2

In Maryland, how park with air brakes?

A) parking brake on, chock on grades

B) engine running

C) leave in neutral only

D) no brake needed

Question 3

In Maryland, what is fanning the brakes?

A) parking method

B) repeated apply-release (testing only)

C) warming brakes

D) driving technique

Question 4

In Maryland, what is stab braking (emergency)?

A) pump gently

B) hard brake, release wheels, reapply

C) use parking brake

D) lock wheels

Question 5

In Maryland, what is controlled braking?

A) release fully

B) lock all wheels

C) firm pressure without locking

D) alternate pedals

Question 6

In Maryland, how stop on slippery with ABS?

A) lock wheels

B) release all

C) pump hard

D) firm steady, steer through

Question 7

In Maryland, what is an alcohol evaporator for?

A) cleans tanks

B) heats cab

C) adds power

D) reduces winter moisture freeze

Question 8

In Maryland, how drain air tanks?

A) never

B) only summer

C) daily (manual) or auto valve check

D) yearly

Question 9

In Maryland, why drain tanks?

A) weight

B) water/oil harms braking

C) looks

D) noise

Question 10

In Maryland, what is a dual air gauge reading?

A) oil twice

B) fuel levels

C) tire temps

D) primary and secondary tank pressures

Question 11

In Maryland, what if one system fails?

A) other system still brakes (stop safely)

B) nothing changes

C) no brakes at all

D) faster stop

Question 12

In Maryland, what are air lines colors?

A) both black

B) no colors

C) green/yellow

D) red emergency, blue service

Question 13

In Maryland, how connect glad hands?

A) taped

B) loose ok

C) seals clean, locked, no leaks

D) any way

Question 14

In Maryland, how test service brakes?

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

B) highway test

C) ask others

D) no test

Question 15

In Maryland, what is stopping distance vs cars?

A) shorter

B) same

C) instant

D) much longer for trucks

Question 16

True or false in Maryland: compressed air.

A) True

B) False

Question 17

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

A) True

B) False

Question 18

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

A) True

B) False

Question 19

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

A) True

B) False

Question 20

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

A) True

B) False

US Maryland DMV CDL Air Brakes Test 2

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