Kansas CDL — General Knowledge: Traffic Laws Practice Test

Question 1

Why should you find out where retarder use is permitted before relying on one?

Accepted Answer

Retarders can be noisy — Because retarders can make a lot of noise, you need to know where their use is allowed.

Answer

Retarders shut off the ABS

Answer

Retarders are banned on all interstate highways

Answer

Retarders damage pavement

Question 2

Besides a special transit permit, what may an over-width or overweight load require while it is moving?

Accepted Answer

A police escort or pilot vehicles — Oversized loads often travel only at certain times and may need a police escort or pilot vehicles carrying warning signs or flashing lights.

Answer

A second CDL holder riding in the cab

Answer

A hazardous materials endorsement

Answer

Travel only on unpaved roads

Question 3

On the CDL road test, what does the manual treat as 'unsafe coasting'?

Accepted Answer

Being out of gear for a distance longer than your vehicle — If the clutch is pressed in or the gearshift is in neutral for a distance longer than your vehicle, that is scored as unsafe coasting.

Answer

Rolling downhill with the engine at idle in gear

Answer

Lifting off the accelerator before a curve

Answer

Driving a few mph under the speed limit

Question 4

You haul freight between two cities in the same state, but the freight is one leg of a shipment that started in another state. For CDL self-certification, what type of commerce is this?

Accepted Answer

Interstate commerce — A trip between two points in one state still counts as interstate commerce when the freight or riders are on a journey that started or will finish in another state or country.

Answer

Intrastate commerce, because the truck stays in one state

Answer

It is not commerce at all

Answer

Excepted intrastate commerce

Question 5

When completing an Individual Vehicle Distance Record (IVDR), at which of these points must you log an odometer reading?

Accepted Answer

When you leave a state or province — Odometer readings go on the IVDR at the start of the day, whenever you leave a state or province, and at the end of the trip or day.

Answer

Only when you buy fuel

Answer

Each time you cross a county line

Answer

Only at the end of the week

Question 6

Under the International Registration Plan, a power unit used in two or more member jurisdictions qualifies regardless of weight if it has how many axles?

Accepted Answer

Three or more — An IRP Qualified Vehicle includes any power unit with three or more axles, no matter its weight, as well as two-axle units and combinations over 26,000 pounds.

Answer

Five or more

Answer

Two or more

Answer

Four or more

Question 7

You carry hazardous materials shipping papers along with papers for other freight. How must the hazmat papers be handled?

Accepted Answer

Marked so they stand out, or kept on top of the other papers — Responders may need the hazmat papers fast, so they must be identified or placed on top of the other shipping papers.

Answer

Left with the shipper

Answer

Filed underneath the other papers

Answer

Stored in the cargo area with the load

Question 8

On the road test you are driving a bus toward a railroad crossing. Besides the usual stop, what may you also be required to do before crossing?

Accepted Answer

Open the window and the door — On the road test, a bus driver can also be asked to open both the window and the door before crossing the tracks.

Answer

Sound the horn twice

Answer

Have riders stand and look for trains

Answer

Shift into neutral to listen

Question 9

What is a vehicle's Gross Vehicle Weight Rating (GVWR)?

Accepted Answer

The loaded weight for a single vehicle as specified by its manufacturer — GVWR is the manufacturer's specified loaded weight for a single vehicle. Axle weight and actual weight are different measures.

Answer

The heaviest load a bridge is posted for

Answer

What the vehicle actually weighs on today's trip

Answer

The weight carried to the ground by one set of axles

Question 10

On a multi-lane road during the road test, in which lane should a left turn be finished?

Accepted Answer

The lane immediately to the right of the center line — Under the road test's lane-usage rules, a left turn on a multi-lane road ends in the lane just right of the center line.

Answer

A center two-way turn lane

Answer

The lane nearest the curb

Answer

Whichever lane happens to be open

Question 11

Under the International Fuel Tax Agreement (IFTA), how often does a licensee file a fuel tax return with its base jurisdiction?

Accepted Answer

Quarterly — An IFTA licensee files a single quarterly return with its base jurisdiction, reporting operations in every IFTA member jurisdiction on it.

Answer

After every trip

Answer

Once a year

Answer

Monthly

Question 12

Your road test route does not include a particular traffic situation the examiner wants to test. How may you be tested on it?

Accepted Answer

By simulating it — telling the examiner what you would be doing in that situation — When the route lacks a situation, you may be asked to simulate it by describing to the examiner what you are doing or would do.

Answer

You must come back another day

Answer

The examiner drives it while you watch

Answer

The item is skipped and counted as a pass

Kansas CDL — General Knowledge: Traffic Laws practice test

Study questions with answers

1. Why should you find out where retarder use is permitted before relying on one?

2. Besides a special transit permit, what may an over-width or overweight load require while it is moving?

3. On the CDL road test, what does the manual treat as 'unsafe coasting'?

4. You haul freight between two cities in the same state, but the freight is one leg of a shipment that started in another state. For CDL self-certification, what type of commerce is this?

5. When completing an Individual Vehicle Distance Record (IVDR), at which of these points must you log an odometer reading?

6. Under the International Registration Plan, a power unit used in two or more member jurisdictions qualifies regardless of weight if it has how many axles?

7. You carry hazardous materials shipping papers along with papers for other freight. How must the hazmat papers be handled?

8. On the road test you are driving a bus toward a railroad crossing. Besides the usual stop, what may you also be required to do before crossing?

9. What is a vehicle's Gross Vehicle Weight Rating (GVWR)?

10. On a multi-lane road during the road test, in which lane should a left turn be finished?

11. Under the International Fuel Tax Agreement (IFTA), how often does a licensee file a fuel tax return with its base jurisdiction?

12. Your road test route does not include a particular traffic situation the examiner wants to test. How may you be tested on it?

More CDL — General Knowledge topics

Practice Traffic Laws in another state