US Kentucky DMV CDL Combination Vehicles Test 1

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

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

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

A) van

B) bus

C) single truck

D) tractor plus trailer(s)

Question 2

In Kentucky, what is a converter dolly?

A) a light

B) a spare tire

C) a tool box

D) device coupling doubles

Question 3

In Kentucky, how couple doubles?

A) any order

B) rear trailer, dolly, front trailer in order

C) no order

D) front first always

Question 4

In Kentucky, what is the crack-the-whip effect?

A) rear trailer swings in turns

B) tire pop

C) brake lock

D) engine surge

Question 5

In Kentucky, how prevent rollover in combos?

A) speed through

B) no need

C) slow well below curve speed

D) brake in curve

Question 6

In Kentucky, what is off-tracking in combos?

A) rear follows shorter path

B) tire brand

C) brake wear

D) speeding

Question 7

In Kentucky, how check coupling?

A) fifth-wheel jaws locked, no gap

B) radio test

C) tire shine

D) paint check

Question 8

In Kentucky, what is trailer hand valve for?

A) testing trailer brakes only

B) fueling

C) parking

D) lights

Question 9

In Kentucky, how test trailer emergency brakes?

A) charge, pull supply, tug test

B) no test

C) visual only

D) drive fast

Question 10

In Kentucky, what is a shut-off valve for?

A) lights

B) horn

C) fuel flow

D) controls air to rear in doubles

Question 11

In Kentucky, how many valves on last trailer?

A) one open

B) all open

C) half open

D) none open (all closed)

Question 12

In Kentucky, what is the air line order?

A) connect service+emergency before moving

B) drive then connect

C) no lines

D) one line enough

Question 13

In Kentucky, how inspect pintle hook?

A) latched, safety chains crossed

B) loose ok

C) no chains

D) rust fine

Question 14

In Kentucky, what are safety chains for?

A) backup coupling if hook fails

B) weight

C) noise

D) looks

Question 15

In Kentucky, how brake with empty trailers?

A) same

B) harder

C) no brakes

D) gentler (light trailers lock easily)

Question 16

In Kentucky, what is trailers jackknifing?

A) turning wide

B) tractor-trailer folds in skid

C) coupling step

D) parking trick

Question 17

In Kentucky, how avoid jackknife?

A) steady braking, no sudden moves

B) jerk wheel

C) speed up

D) slam brakes

Question 18

In Kentucky, how handle doubles in wind?

A) ignore

B) speed up

C) slow, extra space, firm grip

D) stop in lane

Question 19

In Kentucky, what is rearward amplification?

A) last trailer moves most

B) fuel use

C) brake force

D) engine power

Question 20

In Kentucky, how lane change with doubles?

A) tailgate first

B) quick swerve

C) no signal

D) slower, more space, signal long

US Kentucky DMV CDL Combination Vehicles Test 1

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