US New Mexico DMV CDL Combination Vehicles Test 1

DMV & CDL » Category

Author: TestGru Team (Education Specialist)

20 questions · All questions on one page

Prepared with up-to-date content

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

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

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 New Mexico, what is a combination vehicle?

A) van

B) tractor plus trailer(s)

C) bus

D) single truck

Question 2

In New Mexico, what is a converter dolly?

A) a light

B) device coupling doubles

C) a spare tire

D) a tool box

Question 3

In New Mexico, how couple doubles?

A) rear trailer, dolly, front trailer in order

B) any order

C) front first always

D) no order

Question 4

In New Mexico, what is the crack-the-whip effect?

A) tire pop

B) rear trailer swings in turns

C) engine surge

D) brake lock

Question 5

In New Mexico, how prevent rollover in combos?

A) no need

B) brake in curve

C) speed through

D) slow well below curve speed

Question 6

In New Mexico, what is off-tracking in combos?

A) brake wear

B) tire brand

C) speeding

D) rear follows shorter path

Question 7

In New Mexico, how check coupling?

A) radio test

B) tire shine

C) paint check

D) fifth-wheel jaws locked, no gap

Question 8

In New Mexico, what is trailer hand valve for?

A) lights

B) fueling

C) parking

D) testing trailer brakes only

Question 9

In New Mexico, how test trailer emergency brakes?

A) drive fast

B) no test

C) visual only

D) charge, pull supply, tug test

Question 10

In New Mexico, what is a shut-off valve for?

A) controls air to rear in doubles

B) horn

C) lights

D) fuel flow

Question 11

In New Mexico, how many valves on last trailer?

A) none open (all closed)

B) all open

C) one open

D) half open

Question 12

In New Mexico, what is the air line order?

A) drive then connect

B) connect service+emergency before moving

C) one line enough

D) no lines

Question 13

In New Mexico, how inspect pintle hook?

A) loose ok

B) rust fine

C) latched, safety chains crossed

D) no chains

Question 14

In New Mexico, what are safety chains for?

A) weight

B) looks

C) backup coupling if hook fails

D) noise

Question 15

In New Mexico, how brake with empty trailers?

A) harder

B) no brakes

C) gentler (light trailers lock easily)

D) same

Question 16

In New Mexico, what is trailers jackknifing?

A) coupling step

B) turning wide

C) tractor-trailer folds in skid

D) parking trick

Question 17

In New Mexico, how avoid jackknife?

A) steady braking, no sudden moves

B) speed up

C) slam brakes

D) jerk wheel

Question 18

In New Mexico, how handle doubles in wind?

A) stop in lane

B) speed up

C) ignore

D) slow, extra space, firm grip

Question 19

In New Mexico, what is rearward amplification?

A) engine power

B) last trailer moves most

C) brake force

D) fuel use

Question 20

In New Mexico, how lane change with doubles?

A) no signal

B) slower, more space, signal long

C) tailgate first

D) quick swerve

US New Mexico DMV CDL Combination Vehicles Test 1

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