US New Mexico DMV CDL Combination Vehicles Test 6

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

True or false in New Mexico: one type.

A) True

B) False

Question 2

True or false in New Mexico: visual only.

A) True

B) False

Question 3

True or false in New Mexico: fuel valve.

A) True

B) False

Question 4

True or false in New Mexico: with doubles.

A) True

B) False

Question 5

Which is correct about CDL combination vehicles in New Mexico?

A) van

B) tractor plus trailer(s)

C) bus

D) single truck

Question 6

What is a combination vehicle?

A) van

B) tractor plus trailer(s)

C) bus

D) single truck

Question 7

What is a converter dolly?

A) a light

B) a tool box

C) a spare tire

D) device coupling doubles

Question 8

How couple doubles?

A) no order

B) rear trailer, dolly, front trailer in order

C) any order

D) front first always

Question 9

What is the crack-the-whip effect?

A) engine surge

B) brake lock

C) rear trailer swings in turns

D) tire pop

Question 10

How prevent rollover in combos?

A) no need

B) speed through

C) brake in curve

D) slow well below curve speed

Question 11

What is off-tracking in combos?

A) speeding

B) rear follows shorter path

C) tire brand

D) brake wear

Question 12

How check coupling?

A) fifth-wheel jaws locked, no gap

B) radio test

C) tire shine

D) paint check

Question 13

What is trailer hand valve for?

A) fueling

B) testing trailer brakes only

C) lights

D) parking

Question 14

How test trailer emergency brakes?

A) charge, pull supply, tug test

B) no test

C) visual only

D) drive fast

Question 15

What is a shut-off valve for?

A) fuel flow

B) horn

C) controls air to rear in doubles

D) lights

Question 16

How many valves on last trailer?

A) half open

B) all open

C) none open (all closed)

D) one open

Question 17

What is the air line order?

A) no lines

B) drive then connect

C) one line enough

D) connect service+emergency before moving

Question 18

How inspect pintle hook?

A) loose ok

B) no chains

C) latched, safety chains crossed

D) rust fine

Question 19

What are safety chains for?

A) noise

B) backup coupling if hook fails

C) looks

D) weight

Question 20

How brake with empty trailers?

A) no brakes

B) same

C) harder

D) gentler (light trailers lock easily)

US New Mexico DMV CDL Combination Vehicles Test 6

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