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

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

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 Texas, what is a combination vehicle?

A) van

B) single truck

C) tractor plus trailer(s)

D) bus

Question 2

In Texas, what is a converter dolly?

A) a light

B) device coupling doubles

C) a tool box

D) a spare tire

Question 3

In Texas, how couple doubles?

A) no order

B) any order

C) front first always

D) rear trailer, dolly, front trailer in order

Question 4

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

A) brake lock

B) tire pop

C) rear trailer swings in turns

D) engine surge

Question 5

In Texas, how prevent rollover in combos?

A) speed through

B) brake in curve

C) slow well below curve speed

D) no need

Question 6

In Texas, what is off-tracking in combos?

A) rear follows shorter path

B) brake wear

C) tire brand

D) speeding

Question 7

In Texas, how check coupling?

A) tire shine

B) fifth-wheel jaws locked, no gap

C) radio test

D) paint check

Question 8

In Texas, what is trailer hand valve for?

A) parking

B) fueling

C) testing trailer brakes only

D) lights

Question 9

In Texas, how test trailer emergency brakes?

A) visual only

B) no test

C) drive fast

D) charge, pull supply, tug test

Question 10

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

A) horn

B) lights

C) fuel flow

D) controls air to rear in doubles

Question 11

In Texas, how many valves on last trailer?

A) one open

B) half open

C) all open

D) none open (all closed)

Question 12

In Texas, what is the air line order?

A) drive then connect

B) no lines

C) one line enough

D) connect service+emergency before moving

Question 13

In Texas, how inspect pintle hook?

A) loose ok

B) no chains

C) latched, safety chains crossed

D) rust fine

Question 14

In Texas, what are safety chains for?

A) looks

B) backup coupling if hook fails

C) noise

D) weight

Question 15

In Texas, how brake with empty trailers?

A) no brakes

B) same

C) harder

D) gentler (light trailers lock easily)

Question 16

In Texas, what is trailers jackknifing?

A) coupling step

B) turning wide

C) tractor-trailer folds in skid

D) parking trick

Question 17

In Texas, how avoid jackknife?

A) steady braking, no sudden moves

B) speed up

C) jerk wheel

D) slam brakes

Question 18

In Texas, how handle doubles in wind?

A) stop in lane

B) speed up

C) ignore

D) slow, extra space, firm grip

Question 19

In Texas, what is rearward amplification?

A) brake force

B) fuel use

C) engine power

D) last trailer moves most

Question 20

In Texas, how lane change with doubles?

A) slower, more space, signal long

B) quick swerve

C) no signal

D) tailgate first

US Texas DMV CDL Combination Vehicles Test 1

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