nevada
CDL Practice Test

Welcome to the Nevada CDL practice test site. You are welcome to take these CDL practice tests as many times as you like as the tests are free. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit. You may not go back once you answer a question. Click the "Start Test" button below to begin.

1 / 40

If you double your speed, what will happen to your stopping distance?

it increases by two times

it stays about the same

it increases by four times

none of these answers are correct answers are correct

2 / 40

You do not have to stop at railroad crossings, but must slow down and carefully check for other vehicles:

If a traffic signal is green.

At crossings marked as "exempt" or "abandoned".

Where a policeman or flagman is directing traffic.

All of these answers are correct.

3 / 40

Where are shut off valves located on trailers that are doubles or triples?

on emergency air lines

on service air lines

on parking brake lines

on emergency and service air lines

4 / 40

Select the true statement in regards to brake drums or discs:

they should always be kept well-greased up

they should not have cracks that are longer than half the width of the friction area

the linings should fit loosely around the brake shoe

they are not allowed to have any cracks

5 / 40

Which of the following statements about the bus interior is false?

If there is a red emergency door light, it must work.

The seats must be safe for riders all seats must be securely fastened to the bus.

If you use your outside lights, you don't need to turn on red emergency door light.

Never drive with an open emergency exit door or window.

6 / 40

Select when you should use the parking brake:

with rare exception, every time you leave your vehicle

when in residential areas

each time you leave your vehicle for any amount of time

when you are leaving your vehicle for more than an hour

7 / 40

How do you know when your brakes are fading?

to control your speed on a downgrade you have to push harder on the brake pedal

the brake pedal flops to the cabin floor

your speed increases when pressure is removed from the brake pedal

to control your speed on a downgrade you have to apply less pressure to the break pedal

8 / 40

To avoid rollover when going through a curve, the best thing to do is:

Drive at a speed below the posted speed limit.

Pump the brakes through the curve.

Ride the brakes through the curve.

Drive at a speed higher than the posted speed limit.

9 / 40

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

4 psi in a minute

5 psi in a minute

3 psi in a minute

2 psi in a minute

10 / 40

When does stab braking occur?

all of these answers are correct

when the wheels lock up, release the brakes

when the wheels start rolling, apply the brakes

apply pressure all the way on the brake pedal

11 / 40

How often should you check your cargo?

after every break you take during driving

all of these answers are correct

within the first 50 miles after beginning a trip

every 150 miles or every three hours

12 / 40

The air leakage rate for combination vehicles should not be more than _ psi a minute.

13 / 40

Select the factors that can cause your brakes to fade or fail:

the brakes are out of adjustment

not relying on engine braking enough

all of these answers are correct

using the service brakes excessively

14 / 40

What are the three hazard classes should NOT be loaded into a trailer that has a heater air conditioner unit?

Class 1 explosives, class 3 flammable liquids, and division 21 flammable gas.

Class 2 explosives, class 3 flammable solids, and division 21 inhalation hazard.

None of these answers are correct.

Class 1 explosives, class 8 corrosives, and division 5 oxidizers.

15 / 40

You should keep a minimum of ____between another vehicle and the double trailer with 100 ft truck driving at 30 mph.

15 seconds

13 seconds

8 seconds

10 seconds

16 / 40

A truck with baffles will handle:

None of the answers listed.

The same as a tanker with no baffles.

Heavier that it actually is.

With less front to back surge compared to trailers without baffles.

17 / 40

Select the true statement:

A "bobtail" tractor will take longer to stop than a combination vehicle that is fully loaded down to the maximum weight.

Wait as long as possible to brake when driving a heavy vehicle.

Lighter vehicles requiring more braking power to stop compared to heavier vehicles.

None of the answers listed.

18 / 40

What does the amount of liquid you can carry depend on?

The center of gravity.

The material the baffles are made from.

The outage of the liquid.

The vehicle's horsepower rating.

19 / 40

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

False, it's when the vehicle air braking system fails in some way

True

False, it's when the vehicle engine fails in some way

False, it's when the vehicle power system fails in some way

20 / 40

What should you do if the low air pressure warning comes on for only one system in a truck or bus that has a dual air brake system?

decrease your speed and head to the closest mechanic

continue on with your trip

decrease your speed and test the other system

stop and safely park your vehicle only continue once the issue has been resolved

21 / 40

The minimum tire tread depth for front tires is:

1/2-inch

3/8-inch

1/32-inch

4/32-inch

22 / 40

Select the true statement about tractor protection valve:

all of these answers are correct

it is closed by the parking brakes

if the air supply drops to a certain level it will automatically close itself

it provides the air supply to the brake system

23 / 40

Is this statement true or false: You do not need to use the parking brake if are leaving your vehicle for a short amount of time.

only when the vehicle has over 25,000 miles on it

true

false

only when the vehicle has over 60,000 miles on it

24 / 40

Why do air brakes take longer to stop than hydraulic brakes?

none of the answers listed

the lines are hotter

longer reaction time

it takes more time for the air to flow through the lines

25 / 40

The Emergency Response Guide, ERG, can best be explained as _____.

a guide explaining what materials can be hauled together in the same vehicle

a guide explaining what materials can be hauled together in the same vehicle and a guidebook for firefighters, police, and industry workers on how to protect themselves and the public from hazardous materials

none of these answers are correct

a guidebook for firefighters, police, industry workers, truck drivers, dock workers, and shippers on how to protect themselves and the public from hazardous materials

26 / 40

Select the two reasons as to why special care is needed when driving a tank vehicle:

The danger of surge and the high center of gravity.

None of the answers listed.

The chance of rollover and of spontaneous combustion.

The danger of surge and the low center of gravity.

27 / 40

What are some things you should check on the front of your vehicle when doing the walk-around inspection?

windshield, wipers, mirrors, hood latches

oil, transmission, air compressor, radiator

low beams, high beams, four way flashers, turn signals

tires, steering parts, suspension parts, headlights

28 / 40

Which of the following statements is FALSE?

if a tire blows, you should put the brakes on hard to stop quickly

anti-lock braking systems (ABS) only activate when wheels are about to lock

you can almost always turn to miss an obstacle more quickly than you can stop

stopping is not always the safest thing to do in an emergency

29 / 40

When should you avoid using the parking brake?

when the brakes are hot

whenever you park

when the air pressure is low

while on an incline

30 / 40

The school bus driver may be the only contact person from school system some parents meet. The percentage of such parents is as high as:

0.85

0.65

0.5

0.72

31 / 40

If you are required to stop at railroad crossings, you must:

Remember to never shift gears while crossing tracks.

All of these answers are correct.

Stop 15 to 50 feet before the nearest rail.

Proceed only when you are sure no train is coming.

32 / 40

A driver of a tank vehicle should take curves, off ramps, and on ramps at a speed lower than the posted speed limit.

True but only in rainy conditions

True but only in ideal conditions

False

True

33 / 40

When transporting explosives you may not park:

Within 300 feet of a tunnel.

Within 5 feet of the traveled part of the road.

All of these answers are correct.

Near an open fire.

34 / 40

A safe haven is ______.

an approved place for parking unattended vehicles loaded with corrosive materials

an approved place for parking unattended vehicles loaded with explosive materials

an approved place for parking attended vehicles loaded with flammable materials

an approved place for parking unattended vehicles loaded with radioactive materials

35 / 40

Select the true statement in regards to unhooking the pintle hook while the converter dolly is still under the trailer.

this is not recommended as it could could cause damage to the pintle hook

this is recommended because it keeps the trailer from tipping over

this is recommended as it is standard procedure

this is not recommended because it may result in injury

36 / 40

Hazardous materials (that are not forbidden) carried on a bus must be:

All of these answers are correct

Labeled

Stored in the passenger compartment

Carried in a metal box

37 / 40

Start by___when coupling.

coupling the tractor to the second trailer

coupling the converter hook to the pintle tongue of the first trailer

backing the converter dolly under the second trailer

having the second trailer against the dock

38 / 40

Another term for a smooth bore tank is:

A tank that is made out of stainless steel.

A liquid tank that has baffles.

A liquid tank that does not have baffles.

A tank that is easily portable.

39 / 40

Do converter dollies have spring brakes?

yes

none of the answers listed

some do

40 / 40

If you work for an interstate carrier:

If there are no defects, no report is necessary.

Only fill out report for buses with defects.

None of these answers are correct.

You must complete a written inspection report for each bus driven.

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A nevada Commercial Drivers License

To be eligible for a CDL in Nevada, applicants must be at least 18 years old to operate a commercial vehicle intrastate (within Nevada only). To operate a commercial vehicle interstate (outside of Nevada) they must be 21 years old.

Applicants must also provide verification that they are medically fit. Nevada applicants must complete the self-certification process. Depending on the circumstances, some applicants may be required to undergo additional medical testing and complete (Form MCSA-5876) Medical Examiner’s Certificate.

Under certain circumstances, some drivers may be disqualified from earning their commercial license in Nevada. For example, drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Nevada. Applicants cannot have driver’s licenses in more than one state.

Nevada CDL Endorsements
H – Hazardous Material
N – Tank Vehicles
P – Passenger Vehicles
S – School Bus
T – Towing a Double or Triple Trailer
X – Combination Tank Vehicle and Hazardous Materials

Hit the Open Road

nevada CDL License Test Tips

Every Nevada CDL applicant must pass the general knowledge test prior to taking the skills test. Bus driver applicants must take the passenger transport test in addition to the bus driver test. Applicants who haul hazardous materials must submit to a TSA background check and take the Hazmat test. Applicants must pass each test with an 80 percent score.

The Nevada skills test includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section. Recent military veterans and current military members can have the skills test waived if they are currently enlisted in the military or have served in the military within the past 12 months. Also, they can get a waiver if they have operated a motor vehicle equivalent to a commercial motor vehicle in the military within the past year. Applicants are required to complete (Form CDL-004) Certification for Waiver of Skills Tests to be considered for a waiver.

Additional Information

Information on the Nevada Department of Motor Vehicles

The Nevada Department of Motor Vehicles regulates the CDL license requirements in Nevada. To get more information contact them via:

Website: https://dmvnv.com/cdl.htm

Phone: 702.486.4368

Additional Nevada CDL Helpful Links

Please use the links below to access more valuable Nevada CDL testing resources and to learn more about practice driving tests for the state of Nevada.

nevada CDL Practice Test

CDL Category Practice Tests

CDL Practice Test

How To Get A nevada Commercial Drivers License

Hit the Open Road

nevada CDL License Test Tips

Additional Information

Information on the Nevada Department of Motor Vehicles

Additional Nevada CDL Helpful Links

nevada
CDL Practice Test