E
.
Learndmv
DMV PRACTICE
Toggle navigation
Find your state
Exam types
Practice tests
Sign in
Create account
↗
← Leave quiz
Georgia CDL Double Test 1
Practice mode
Question
1
of 20
QUESTION 1 / 20
Doubles and triples:
Choose one answer below.
A
Turn easily due to their centers of gravity.
✓
B
Are more difficult to turn than smaller commercial vehicles.
✓
C
Should never be turned.
✓
D
Always have the right-of-way.
✓
QUESTION 2 / 20
Trailers built before 1975 are:
Choose one answer below.
A
Required to have spring brakes.
✓
B
Not required to have spring brakes.
✓
C
Unsafe to drive.
✓
D
Prohibited from public roadways.
✓
QUESTION 3 / 20
One way to avoid jackknifing is to:
Choose one answer below.
A
Swerve frequently.
✓
B
Exceed the speed limit.
✓
C
Look ahead of your vehicle to identify potential hazards.
✓
D
Drive on the shoulder.
✓
QUESTION 4 / 20
Skids caused by acceleration can usually be resolved by:
Choose one answer below.
A
Speeding up.
✓
B
Taking your foot off the accelerator.
✓
C
Coming to a complete stop.
✓
D
Switching into a higher gear.
✓
QUESTION 5 / 20
Compared to other commercial motor vehicles, combination vehicles need more space on the road because they are longer and they:
Choose one answer below.
A
Need more space to turn and stop.
✓
B
Drive more slowly.
✓
C
Are twice the width.
✓
D
Swerve more often.
✓
QUESTION 6 / 20
An air compressor governor will stop the compressor from pumping air once the air tanks have an air pressure level of:
Choose one answer below.
A
125 psi.
✓
B
100 psi.
✓
C
150 psi.
✓
D
80 psi.
✓
QUESTION 7 / 20
Simply changing lanes can cause:
Choose one answer below.
A
A “crack-the-whip” effect, resulting in a rollover.
✓
B
A trailer to straighten out.
✓
C
Confusion over which lane the driver is hoping to use.
✓
D
Other drivers to reduce their speed.
✓
QUESTION 8 / 20
While driving, spring brakes are generally held in place by:
Choose one answer below.
A
Air pressure.
✓
B
Chocks.
✓
C
Foundation brakes.
✓
D
Sturdy ties.
✓
QUESTION 9 / 20
When doing an inspection, ensure that the brake pads are:
Choose one answer below.
A
Covered with grease.
✓
B
Covered with coolant.
✓
C
Covered with oil.
✓
D
Free of oil or grease.
✓
QUESTION 10 / 20
If a vehicle is equipped with power steering, the hoses should be checked:
Choose one answer below.
A
For leaks.
✓
B
To ensure that they are still clear.
✓
C
To ensure that they are connected to the battery.
✓
D
To ensure that they contain the proper amount of play.
✓
QUESTION 11 / 20
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 12 / 20
What is a tractor protection valve?
Choose one answer below.
A
A valve to keep air in the brake system should there be a bad leak
✓
B
A valve that prevents the truck from being stolen
✓
C
A valve that prevents the driver from going too fast
✓
D
A valve that prevents the trailer from accidentally being released
✓
QUESTION 13 / 20
Doubles:
Choose one answer below.
A
Are easier to drive than singles.
✓
B
Are less likely to roll over than singles.
✓
C
Are less likely to jackknife than singles.
✓
D
Require a longer reaction time than singles.
✓
QUESTION 14 / 20
If a trailer begins to skid, the driver should:
Choose one answer below.
A
Lock the brakes.
✓
B
Release the brakes.
✓
C
Steer in the opposite direction.
✓
D
Accelerate.
✓
QUESTION 15 / 20
When coupling a triple trailer rig:
Choose one answer below.
A
The trailer immediately behind the cab should be coupled first.
✓
B
The rear trailer should be coupled first.
✓
C
The lightest trailer should be coupled first.
✓
D
The order in which trailers are coupled is not important.
✓
QUESTION 16 / 20
What happens when you push in the trailer air supply control knob?
Choose one answer below.
A
Air is supplied to the emergency lines.
✓
B
The air system is disconnected from the trailer.
✓
C
The drain valve is opened.
✓
D
Air brakes are applied.
✓
QUESTION 17 / 20
Most heavy vehicles require ____ to change gears.
Choose one answer below.
A
Double clutching
✓
B
Double shifting
✓
C
Triple clutching
✓
D
Triple shifting
✓
QUESTION 18 / 20
An Anti-Lock Braking System (ABS):
Choose one answer below.
A
Allows wheels to lock up.
✓
B
Prevents wheels from locking up.
✓
C
Makes it easier to turn a large vehicle.
✓
D
Assists with the operation of brake lights.
✓
QUESTION 19 / 20
When driving in fog, you should:
Choose one answer below.
A
Use the windshield wipers.
✓
B
Use the low beam lights.
✓
C
Use the high beam lights.
✓
D
Use the heater.
✓
QUESTION 20 / 20
What happens if, after connecting a trailer, there is no air pressure in the trailer brakes?
Choose one answer below.
A
The brakes will not work.
✓
B
There will be no air in the cab.
✓
C
The load will not be supported properly.
✓
D
Alternative brakes must be used.
✓
← Previous
0 of 20 answered
Next question →
Finish & see results →