US Hawaii DMV CDL Air Brakes Test 7

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

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

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

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 manual slack adjustment rule?

A) needs training; autos should not need it

B) never check

C) daily manual

D) anyone adjusts

Question 2

What is brake adjustment limit?

A) no limit

B) about 1 inch pushrod travel

C) half foot

D) 3 inches

Question 3

What are foundation brakes?

A) retarders

B) the wheel brake mechanisms

C) engine brakes

D) parking only

Question 4

What is an application pressure gauge?

A) speedometer

B) fuel gauge

C) oil gauge

D) shows service brake air used

Question 5

What are supply pressure gauges?

A) tire pressure

B) coolant

C) voltage

D) show tank air pressure

Question 6

What happens below 20-45 psi?

A) Nothing happens

B) faster stop

C) spring brakes fully apply

D) horn sounds

Question 7

How park with air brakes?

A) parking brake on, chock on grades

B) no brake needed

C) engine running

D) leave in neutral only

Question 8

What is fanning the brakes?

A) repeated apply-release (testing only)

B) warming brakes

C) parking method

D) driving technique

Question 9

What is stab braking (emergency)?

A) use parking brake

B) hard brake, release wheels, reapply

C) pump gently

D) lock wheels

Question 10

What is controlled braking?

A) release fully

B) alternate pedals

C) lock all wheels

D) firm pressure without locking

Question 11

How stop on slippery with ABS?

A) firm steady, steer through

B) lock wheels

C) pump hard

D) release all

Question 12

What is an alcohol evaporator for?

A) adds power

B) cleans tanks

C) reduces winter moisture freeze

D) heats cab

Question 13

How drain air tanks?

A) only summer

B) daily (manual) or auto valve check

C) yearly

D) never

Question 14

Why drain tanks?

A) weight

B) looks

C) noise

D) water/oil harms braking

Question 15

What is a dual air gauge reading?

A) oil twice

B) tire temps

C) primary and secondary tank pressures

D) fuel levels

Question 16

What if one system fails?

A) other system still brakes (stop safely)

B) no brakes at all

C) faster stop

D) nothing changes

Question 17

What are air lines colors?

A) green/yellow

B) red emergency, blue service

C) no colors

D) both black

Question 18

How connect glad hands?

A) any way

B) loose ok

C) seals clean, locked, no leaks

D) taped

Question 19

How test service brakes?

A) highway test

B) no test

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

D) ask others

Question 20

What is stopping distance vs cars?

A) instant

B) same

C) much longer for trucks

D) shorter

US Hawaii DMV CDL Air Brakes Test 7

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