US Nebraska DMV CDL Combination Vehicles Test 8

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

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

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

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 a combination vehicle?

A) van

B) single truck

C) tractor plus trailer(s)

D) bus

Question 2

What is a converter dolly?

A) a spare tire

B) device coupling doubles

C) a light

D) a tool box

Question 3

How couple doubles?

A) any order

B) front first always

C) no order

D) rear trailer, dolly, front trailer in order

Question 4

What is the crack-the-whip effect?

A) tire pop

B) rear trailer swings in turns

C) engine surge

D) brake lock

Question 5

How prevent rollover in combos?

A) slow well below curve speed

B) brake in curve

C) speed through

D) no need

Question 6

What is off-tracking in combos?

A) speeding

B) brake wear

C) tire brand

D) rear follows shorter path

Question 7

How check coupling?

A) tire shine

B) radio test

C) fifth-wheel jaws locked, no gap

D) paint check

Question 8

What is trailer hand valve for?

A) lights

B) parking

C) fueling

D) testing trailer brakes only

Question 9

How test trailer emergency brakes?

A) no test

B) drive fast

C) charge, pull supply, tug test

D) visual only

Question 10

What is a shut-off valve for?

A) lights

B) controls air to rear in doubles

C) horn

D) fuel flow

Question 11

How many valves on last trailer?

A) half open

B) all open

C) one open

D) none open (all closed)

Question 12

What is the air line order?

A) drive then connect

B) no lines

C) connect service+emergency before moving

D) one line enough

Question 13

How inspect pintle hook?

A) loose ok

B) latched, safety chains crossed

C) rust fine

D) no chains

Question 14

What are safety chains for?

A) noise

B) weight

C) backup coupling if hook fails

D) looks

Question 15

How brake with empty trailers?

A) same

B) harder

C) gentler (light trailers lock easily)

D) no brakes

Question 16

What is trailers jackknifing?

A) turning wide

B) parking trick

C) tractor-trailer folds in skid

D) coupling step

Question 17

How avoid jackknife?

A) slam brakes

B) jerk wheel

C) speed up

D) steady braking, no sudden moves

Question 18

How handle doubles in wind?

A) speed up

B) slow, extra space, firm grip

C) stop in lane

D) ignore

Question 19

What is rearward amplification?

A) engine power

B) fuel use

C) last trailer moves most

D) brake force

Question 20

How lane change with doubles?

A) no signal

B) quick swerve

C) tailgate first

D) slower, more space, signal long

US Nebraska DMV CDL Combination Vehicles Test 8

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