New Hampshire CDL — General Knowledge: Traffic Laws Practice Test

Question 1

A straight truck rated at 27,000 pounds GVWR tows a trailer rated at 9,000 pounds GVWR. Under the federal vehicle classes in the manual, which group is this?

Accepted Answer

Class B — A single vehicle of 26,001 pounds or more that tows a unit rated at 10,000 pounds or less is Class B. Class A requires the towed unit to be rated above 10,000 pounds.

Answer

Class A

Answer

Class C

Answer

No CDL class applies

Question 2

You must tell your employer about traffic convictions within 30 days. Which kind of violation is left out of that duty?

Accepted Answer

Parking violations — The 30-day notice covers every traffic conviction except parking, whatever vehicle you were driving at the time.

Answer

Speeding in a personal car

Answer

Violations in another state

Answer

Violations in a rented vehicle

Question 3

Who sets a vehicle's Gross Vehicle Weight Rating (GVWR)?

Accepted Answer

The manufacturer — GVWR is the figure the manufacturer assigns for a single vehicle's loaded weight.

Answer

The driver, before each trip

Answer

The motor carrier's dispatcher

Answer

The officer at a weigh station

Question 4

According to the manual's section on legal weight limits, for which figures do states set maximums?

Accepted Answer

GVWRs, GCWRs and axle weights — States cap gross vehicle weight ratings, gross combination weight ratings and axle weights. Axle maximums often come from a bridge formula.

Answer

Tire load ratings only

Answer

Fuel tank capacity and cargo height

Answer

Engine horsepower and torque

Question 5

Non-excepted interstate drivers give the state licensing agency a current medical examiner's certificate. By what other name is that document commonly known?

Accepted Answer

A DOT card — The manual says the medical examiner's certificate is commonly called a medical certificate or a DOT card.

Answer

A cab card

Answer

A Driver Trip Report

Answer

A hardship license

Question 6

Under the federal standard described in the manual, how many kinds of CDL endorsements may be required?

Accepted Answer

Six — The manual describes six: T, N, P, H, X and S. A state is free to add extra endorsements.

Answer

Four

Answer

Five

Answer

Ten

Question 7

Your route starts and ends in the same state, but for a few miles the highway dips into a neighboring state. How does the manual classify this trip?

Accepted Answer

Interstate commerce — A trip between two points in one state is still interstate commerce if the CMV crosses into another state or a foreign country along the way.

Answer

Intrastate commerce, because both ends are in one state

Answer

Excepted intrastate commerce

Answer

Neither, because no cargo changed hands

Question 8

Which statement matches the manual's guidance on how many tie-downs cargo should have?

Accepted Answer

One for every ten feet of cargo, and never fewer than two — The guidance is a tie-down per ten feet of load, and never fewer than two however small the cargo is.

Answer

One tie-down is enough for any load under ten feet

Answer

One for every twenty feet, with a minimum of one

Answer

Four on every load, whatever its length

Question 9

A driver hauls placarded gasoline in a tank truck. Which single endorsement shows that both the tank vehicle and the hazardous materials knowledge exams were passed?

Accepted Answer

X — The X endorsement combines hazardous materials and tank vehicle. It is for tank drivers hauling hazardous materials or waste in amounts that need placards.

Answer

H

Answer

N

Answer

T

Question 10

How many vehicles should a single Individual Vehicle Distance Record (IVDR) cover?

Accepted Answer

Only one — Each IVDR is filled out for one vehicle only, and it must be completed in full for each trip.

Answer

Every vehicle in the carrier's fleet

Answer

Up to three vehicles on the same route

Answer

Every vehicle a driver uses in a month

Question 11

For the texting rule, which of these counts as an "electronic device"?

Accepted Answer

A cell phone, a pager, a computer, or anything else used for entering or reading text — The definition is broad: cell phones, personal digital assistants, pagers, computers and any other device that handles text.

Answer

Only a cellular telephone

Answer

Only a device with a full keyboard

Answer

Only a device owned by the motor carrier

Question 12

The manual says the Class C licensing category is based principally on what?

Accepted Answer

The type of cargo carried — Class C vehicles vary widely in size, but the category rests mainly on the kind of cargo: hazardous materials or passengers.

Answer

The number of axles on the vehicle

Answer

The overall length of the vehicle

Answer

The driver's years of experience

New Hampshire CDL — General Knowledge: Traffic Laws practice test

Study questions with answers

1. A straight truck rated at 27,000 pounds GVWR tows a trailer rated at 9,000 pounds GVWR. Under the federal vehicle classes in the manual, which group is this?

2. You must tell your employer about traffic convictions within 30 days. Which kind of violation is left out of that duty?

3. Who sets a vehicle's Gross Vehicle Weight Rating (GVWR)?

4. According to the manual's section on legal weight limits, for which figures do states set maximums?

5. Non-excepted interstate drivers give the state licensing agency a current medical examiner's certificate. By what other name is that document commonly known?

6. Under the federal standard described in the manual, how many kinds of CDL endorsements may be required?

7. Your route starts and ends in the same state, but for a few miles the highway dips into a neighboring state. How does the manual classify this trip?

8. Which statement matches the manual's guidance on how many tie-downs cargo should have?

9. A driver hauls placarded gasoline in a tank truck. Which single endorsement shows that both the tank vehicle and the hazardous materials knowledge exams were passed?

10. How many vehicles should a single Individual Vehicle Distance Record (IVDR) cover?

11. For the texting rule, which of these counts as an "electronic device"?

12. The manual says the Class C licensing category is based principally on what?

More CDL — General Knowledge topics

Practice Traffic Laws in another state