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2018 App Test > CDL Info > Flashcards

Flashcards in CDL Info Deck (23)
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1
Q

What age must be be to obtain your CDL?

A

18 if in state 21 if interstate

2
Q

What defines a Commercial type vehicle?

A

Single vehicle with a GVWR of 26001 lbs, Combination vehicle of 26001lbs or more and a trailer of 10000lbs or more, 16 or more passengers, Carrier of hazardous materials that require placarding.

3
Q

Vision standards?

A

20/40 vision and 140 degrees of horizontal vision

4
Q

What is a pre-trip inspection?

A

Helps you find problems that might cause a future breakdown or crash.

5
Q

Minimum tread depth for steer tires?

A

4/32”

6
Q

There should be atleast 2/32” tread on all tires except the steer tires with no major cuts or damage? T/F

A

True

7
Q

Rust around lug nuts would indicate what?

A

Loose lug nuts

8
Q

Slack adjusters on the brake system should be no more than how many degrees when applied?

A

90°

9
Q

Steering wheel play should be no more that ____ degrees or ___ inches on a 20inch wheel?

A

10 degrees either way or 2 inches

10
Q

Vehicle must be equipped with the following per the CDL manual for safety equipment.

A

Fire extinguisher
Spare electrical fuses
Three reflective triangles as warning devices

11
Q

Air brakes should not drop more that ___ psi when brake is applied for one minute?

A

3psi

12
Q

At what Psi will the low air light and or buzzer come on?

A

60psi

13
Q

At about what psi will the parking brake knob pop out to apply the brakes?

A

40psi

14
Q

While traveling at 40mph maintain atleast one second for every how many feet of vehicle?

A

10feet

15
Q

Add speed over 40mph how much time should you add?

A

1 second to make it 2 seconds per 10ft

16
Q

Countersteering is turning the wheel back in the other direction after steering to avoid a traffic emergency. True/False

A

True. Try not to over steer

17
Q

In wet or slippery road conditions vehicle orvengine retarders should always be used?

A

False

18
Q

When the brake is released, about how much “slack” should be in the slack adjuster?

A

1 inch

19
Q

When the engine rpm is at an idle, air pressure should build from 85 to 100psi in how much time?

A

45 seconds

20
Q

Braking distance?

A

Time it takes to come to a complete stop once the brakes are applied

21
Q

Brake lag distance?

A

The distance from the time you start to apply the brake until the brakes start to take hold.

22
Q

Reaction distance?

A

The distance traveled from the time your brain tells your foot to move from the accelerator to the brake pedaland pushes the brake.

23
Q

Perception distance

A

Distance your vehicle travels from the time you see a hazard till the time your brain recognizes the hazard