US Kentucky DMV CDL Air Brakes Test 1

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

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

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

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 Kentucky, what powers air brakes?

A) springs only

B) hydraulic fluid

C) compressed air

D) electricity

Question 2

In Kentucky, what is governor cut-in pressure?

A) 150 psi

B) 200 psi

C) 60 psi

D) about 100 psi (85-100 range)

Question 3

In Kentucky, what is governor cut-out pressure?

A) 200 psi

B) 90 psi

C) about 125 psi (120-135 range)

D) 60 psi

Question 4

In Kentucky, at what pressure does low-air warning activate?

A) at or before 60 psi (55-75 range)

B) 100 psi

C) 125 psi

D) 20 psi

Question 5

In Kentucky, what are spring brakes?

A) service brakes

B) no brakes

C) emergency/parking brakes applying on air loss

D) steering brakes

Question 6

In Kentucky, what is the dual air brake system?

A) single only

B) steering only

C) no dual

D) two separate systems for safety

Question 7

In Kentucky, what must you do before driving after starting?

A) no check

B) mirrors only

C) drive at 50 psi

D) build pressure 100-125 psi and test

Question 8

In Kentucky, what is brake lag in air brakes?

A) instant action

B) hydraulic only

C) delay between pedal and application

D) no lag

Question 9

In Kentucky, what is the air loss limit (single vehicle)?

A) 10 psi

B) no more than 3 psi per minute

C) 1 psi per hour

D) no limit

Question 10

In Kentucky, what is the air loss limit (combination)?

A) 10 psi

B) no limit

C) no more than 4 psi per minute

D) 3 psi per week

Question 11

In Kentucky, how test air compressor?

A) visual only

B) no test

C) build 85 to 100 psi within 45 seconds

D) honk test

Question 12

In Kentucky, how test the low-air warning?

A) ignore it

B) drive fast

C) fan brakes down, warning by 60 psi

D) disconnect buzzer

Question 13

In Kentucky, how test spring brakes?

A) no test

B) fan below 20-45 psi, parking knob pops

C) ask mechanic

D) drive test

Question 14

In Kentucky, what is a pre-trip air brake check order?

A) drive first

B) any order

C) governor, warning, spring, leak, service

D) no order

Question 15

In Kentucky, what are slack adjusters?

A) steering parts

B) mirror arms

C) fuel lines

D) link pushrod to brake cam

Question 16

In Kentucky, what is manual slack adjustment rule?

A) needs training; autos should not need it

B) never check

C) anyone adjusts

D) daily manual

Question 17

In Kentucky, what is brake adjustment limit?

A) half foot

B) about 1 inch pushrod travel

C) 3 inches

D) no limit

Question 18

In Kentucky, what are foundation brakes?

A) the wheel brake mechanisms

B) engine brakes

C) retarders

D) parking only

Question 19

In Kentucky, what is an application pressure gauge?

A) speedometer

B) shows service brake air used

C) fuel gauge

D) oil gauge

Question 20

In Kentucky, what are supply pressure gauges?

A) voltage

B) tire pressure

C) show tank air pressure

D) coolant

US Kentucky DMV CDL Air Brakes Test 1

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