Is usually less stable than other smaller commercial vehicles.

Is usually able to be driven faster than a straight truck.

Is always easier to drive than other commercial vehicles.

Does not need a special endorsement to be driven.

May make critical decisions too slowly.

Should take over-the-counter remedies to wake them up.

Is usually more conscientious than a typical driver.

Makes handling a vehicle more difficult.

Increases a driver’s ability to steer.

Makes a vehicle easier to stop.

Kansas CDL Double 2 - DMV Written Test Questions with Answers

Q.1

A double or triple:

Is usually able to be driven faster than a straight truck.
Is usually less stable than other smaller commercial vehicles.
Is always easier to drive than other commercial vehicles.
Does not need a special endorsement to be driven.

Q.2

If federal inspectors judge your vehicle to be unsafe, they can:

Bring you to a garage to have your vehicle fixed.
Formerly request that you have your vehicle's problems fixed.
Call a mechanic.
Pull the vehicle out-of-service until it is fixed.

Q.3

When parked on the side of the road, you should:

Use only the rear flashing lights.
Use one set of turn signals.
Use your high beam headlights.
Use your four-way flashers.

Q.4

If hydraulic brakes fail, a driver can reduce their speed by:

Shifting into a higher gear.
Shifting into a lower gear.
Finding a hill.
Letting the truck run out of gas.

Q.5

What is off-tracking?

When a vehicle’s front wheels follow a different path than its rear wheels
When a vehicle's wheels all follow the exact same path
When a load shifts during a turn
When a vehicle's wheels run over a curb during a turn

Q.6

A fatigued driver:

Is extra alert.
Should take over-the-counter remedies to wake them up.
May make critical decisions too slowly.
Is usually more conscientious than a typical driver.

Q.7

Most heavy-duty vehicles use ____ air brake systems.

Single
Dual
Triple
Quad

Q.8

The emergency brake system uses:

Only parts of the parking brake system.
Only parts of the service brake system.
Parts of both the parking and service brake systems.
Only parts unique to the emergency brake system.

Q.9

When visually checking a coupling device, you should:

Look for mud on the fifth wheel.
Make sure the kingpin is polished.
Make sure there is a space between the upper and lower fifth wheel.
Make sure the locking jaws are closed on the kingpin.

Q.10

Trailers built before 1975 are:

Required to have spring brakes.
Not required to have spring brakes.
Unsafe to drive.
Prohibited from public roadways.

Q.11

Poor weight balance:

Improves a vehicle's handling.
Makes handling a vehicle more difficult.
Increases a driver’s ability to steer.
Makes a vehicle easier to stop.

Q.12

Before a trip, you should ensure that air flows to all trailers by:

Closing the rear shut-off valves and listening for escaping air.
Opening the rear shut-off valves and listening for escaping air.
Disconnecting air supply lines and listening for escaping air.
Detaching and reattaching the rear shut-off valves.

Q.13

If the spring brakes are on, you should:

Not use the brake pedal.
Press the accelerator.
Move the steering wheel.
Be especially careful because the brakes may fail.

Q.14

To inspect slack adjusters on S-cam brakes, you need to:

Park on a hill and test the brakes.
Put on gloves and push in the slack adjusters.
Remove the drum and look inside.
Chock the wheels and disengage the parking brake.

Q.15

When checking the engine compartment:

The parking brake should not be engaged.
Wheels should be chocked.
The engine should be running.
The gearshift should be in first gear.

Q.16

How is the parking brake released?

By tapping the brake pedal three times
By pushing in the brake control knob
By starting the vehicle
By tapping the accelerator twice

Q.17

If braking at a speed of 55 mph while driving on dry pavement, the brake lag can add ____ to your vehicle's total stopping distance.

32 feet
15 feet
50 feet
10 feet

Q.18

One function of the emergency air line is to:

Control the emergency brakes.
Flash when air pressure is below a certain psi.
Allow for quick turning.
Control the ability to maneuver during bad weather conditions.

Q.19

When driving through a work zone, you should:

Slow down.
Speed up.
Use a cell phone.
Steer with one hand to keep the other hand free.

Q.20

What can happen if a parking brake is used in very wet weather when temperatures are below freezing?

The brakes will squeak.
The brakes may freeze so the vehicle cannot move.
The brakes may suddenly release by themselves.
The brakes may explode.