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

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

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) daily manual

B) anyone adjusts

C) never check

D) needs training; autos should not need it

Question 2

What is brake adjustment limit?

A) half foot

B) 3 inches

C) no limit

D) about 1 inch pushrod travel

Question 3

What are foundation brakes?

A) the wheel brake mechanisms

B) retarders

C) engine brakes

D) parking only

Question 4

What is an application pressure gauge?

A) shows service brake air used

B) speedometer

C) fuel gauge

D) oil gauge

Question 5

What are supply pressure gauges?

A) tire pressure

B) show tank air pressure

C) voltage

D) coolant

Question 6

What happens below 20-45 psi?

A) spring brakes fully apply

B) faster stop

C) Nothing happens

D) horn sounds

Question 7

How park with air brakes?

A) engine running

B) no brake needed

C) leave in neutral only

D) parking brake on, chock on grades

Question 8

What is fanning the brakes?

A) parking method

B) repeated apply-release (testing only)

C) driving technique

D) warming brakes

Question 9

What is stab braking (emergency)?

A) hard brake, release wheels, reapply

B) lock wheels

C) pump gently

D) use parking brake

Question 10

What is controlled braking?

A) lock all wheels

B) alternate pedals

C) release fully

D) firm pressure without locking

Question 11

How stop on slippery with ABS?

A) release all

B) firm steady, steer through

C) lock wheels

D) pump hard

Question 12

What is an alcohol evaporator for?

A) reduces winter moisture freeze

B) cleans tanks

C) heats cab

D) adds power

Question 13

How drain air tanks?

A) never

B) only summer

C) yearly

D) daily (manual) or auto valve check

Question 14

Why drain tanks?

A) water/oil harms braking

B) noise

C) weight

D) looks

Question 15

What is a dual air gauge reading?

A) tire temps

B) fuel levels

C) primary and secondary tank pressures

D) oil twice

Question 16

What if one system fails?

A) no brakes at all

B) other system still brakes (stop safely)

C) nothing changes

D) faster stop

Question 17

What are air lines colors?

A) red emergency, blue service

B) green/yellow

C) no colors

D) both black

Question 18

How connect glad hands?

A) loose ok

B) seals clean, locked, no leaks

C) any way

D) taped

Question 19

How test service brakes?

A) no test

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

C) ask others

D) highway test

Question 20

What is stopping distance vs cars?

A) much longer for trucks

B) shorter

C) same

D) instant

US Delaware DMV CDL Air Brakes Test 7

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