E
.
Learndmv
DMV PRACTICE
Toggle navigation
Find your state
Exam types
Practice tests
Sign in
Create account
↗
← Leave quiz
Texas CDL Class A Knowledge Test 2
Practice mode
Question
1
of 25
QUESTION 1 / 25
What is another name for front-end header boards?
Choose one answer below.
A
Headache racks
✓
B
Cargo stoppers
✓
C
Head braces
✓
D
Ballasts
✓
QUESTION 2 / 25
When driving through a work zone, you should:
Choose one answer below.
A
Slow down.
✓
B
Speed up.
✓
C
Use a cell phone.
✓
D
Steer with one hand to keep the other hand free.
✓
QUESTION 3 / 25
If a person commits two serious traffic violations within a three-year period, they will:
Choose one answer below.
A
Lose their CDL for at least one week.
✓
B
Lose their CDL for at least 30 days.
✓
C
Lose their CDL for at least 60 days.
✓
D
Lose their CDL for at least two years.
✓
QUESTION 4 / 25
When an engine is started:
Choose one answer below.
A
The brakes should be locked up.
✓
B
Warning lights should come on and then quickly turn off.
✓
C
The coolant temperature will decrease.
✓
D
The hood must be open.
✓
QUESTION 5 / 25
When operating a vehicle with a dual brake system, a driver should:
Choose one answer below.
A
Let the vehicle warm up before driving to ensure that fuel reaches the engine.
✓
B
Wait to begin driving until the air compressor builds up a minimum pressure of 100 psi in both the primary and secondary systems.
✓
C
Begin driving just after the vehicle starts.
✓
D
Pump the pedal about 20 times to build pressure, then begin driving.
✓
QUESTION 6 / 25
How does doubling your speed from 20 mph to 40 mph affect your vehicle's braking distance?
Choose one answer below.
A
It stays about the same.
✓
B
It increases slightly.
✓
C
It doubles.
✓
D
It quadruples.
✓
QUESTION 7 / 25
If a tire fails, the driver should:
Choose one answer below.
A
Keep one hand on the steering wheel and use their other hand to wave to other drivers.
✓
B
Stomp on the brakes.
✓
C
Not use the brakes.
✓
D
Accelerate.
✓
QUESTION 8 / 25
When driving with a load, the driver should:
Choose one answer below.
A
Stop and check on the cargo within the first 50 miles of the trip.
✓
B
Ask other drivers about the condition of their load.
✓
C
Use the side mirrors only to check on the cargo.
✓
D
Not check on the cargo if it was secured properly before starting the trip.
✓
QUESTION 9 / 25
When nearing a construction worker who is close to the road, you should:
Choose one answer below.
A
Increase your speed.
✓
B
Decrease your speed.
✓
C
Not drive in any lane.
✓
D
Wait until the construction is complete before proceeding.
✓
QUESTION 10 / 25
During exercises that are not the straight line backing exercise, you may exit your vehicle to check its position no more than:
Choose one answer below.
A
One time.
✓
B
Two times.
✓
C
Three times.
✓
D
Four times.
✓
QUESTION 11 / 25
When passing another vehicle, you should:
Choose one answer below.
A
Make eye contact with the other driver.
✓
B
Assume the other driver doesn’t see you.
✓
C
Honk your horn.
✓
D
Wave to other drivers.
✓
QUESTION 12 / 25
When checking the air and electrical lines during a vehicle inspection, all of the following should be true, except:
Choose one answer below.
A
The air hoses are making a hissing noise.
✓
B
The air hoses and electrical lines are not cut.
✓
C
The air lines are not pinched.
✓
D
The air lines are not dragging against tractor parts.
✓
QUESTION 13 / 25
If a truck's Anti-Lock Braking System (ABS) is not working:
Choose one answer below.
A
The truck will not have any brakes.
✓
B
The truck should be driven only at slow speeds.
✓
C
The truck will still have brakes.
✓
D
The truck will lack brakes on its left side.
✓
QUESTION 14 / 25
What can change the height of a vehicle?
Choose one answer below.
A
Color
✓
B
Length
✓
C
Weight
✓
D
Number of windows
✓
QUESTION 15 / 25
Poisonous fumes can enter the cab due to:
Choose one answer below.
A
A defective exhaust system.
✓
B
The wrong type of fuel being used.
✓
C
A lack of oil in the engine.
✓
D
Under-inflated tires.
✓
QUESTION 16 / 25
If you are being tailgated, you should:
Choose one answer below.
A
Drive on the shoulder.
✓
B
Pull off the roadway.
✓
C
Drive faster.
✓
D
Allow the vehicle to pass.
✓
QUESTION 17 / 25
What is a wig wag?
Choose one answer below.
A
A type of warning system
✓
B
A tube used to move air from the compressor to the tanks
✓
C
A noise made by air brakes when used
✓
D
A part within the braking unit that allows air to move freely
✓
QUESTION 18 / 25
When exiting your vehicle, you must maintain ____ with the vehicle at all times.
Choose one answer below.
A
One point of contact
✓
B
Four points of contact
✓
C
Three points of contact
✓
D
Two points of contact
✓
QUESTION 19 / 25
During the straight line backing exercise, how many times are you permitted to exit the vehicle to check its position?
Choose one answer below.
A
One time
✓
B
Two times
✓
C
Three times
✓
D
Four times
✓
QUESTION 20 / 25
During a static leakage test, the maximum leakage rate for a double combination vehicle is:
Choose one answer below.
A
3 psi in one minute.
✓
B
6 psi in one minute.
✓
C
8 psi in one minute.
✓
D
4 psi in one minute.
✓
QUESTION 21 / 25
Antifreeze helps to keep an engine functioning properly:
Choose one answer below.
A
But only in cold weather.
✓
B
But only in hot weather.
✓
C
Regardless of the weather.
✓
D
While minimizing the vehicle's fuel use.
✓
QUESTION 22 / 25
What happens if the air pressure in a system's air tanks falls below 60 psi?
Choose one answer below.
A
A warning light will come on.
✓
B
The vehicle will not shift out of gear.
✓
C
The front lights will flash.
✓
D
The vehicle should stop.
✓
QUESTION 23 / 25
When taking the on-road test, you will be evaluated on regular traffic checks. You should not:
Choose one answer below.
A
Scan the road for pedestrians.
✓
B
Check traffic regularly.
✓
C
Avoid checking your mirrors near intersections.
✓
D
Check your mirrors regularly.
✓
QUESTION 24 / 25
When starting the engine as part of the pre-trip inspection, the driver should:
Choose one answer below.
A
Listen for unusual noises.
✓
B
Rev the engine.
✓
C
Turn up the radio.
✓
D
Turn on the heater.
✓
QUESTION 25 / 25
While driving, if you notice anything affecting safety or mechanics, you should:
Choose one answer below.
A
Stay quiet and see if the problem goes away.
✓
B
Make a written report that includes your concerns.
✓
C
Try to fix the issue yourself.
✓
D
Not use that part of the vehicle and hope others don't notice the problem.
✓
← Previous
0 of 25 answered
Next question →
Finish & see results →