maryland
CDL Practice Test

Welcome to the Maryland CDL practice test site. Questions on these practice tests are similar to those that are found on the Maryland CDL test and presented by the MVA. Use these practice test questions as you prepare to obtain a Maryland CDL. These tests are free and you may take them as many times as you would like. 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

Which of the following hazard classes utilizes a transport index in order to determine how much of it can be loaded on a single vehicle for transport?

Class 7—radioactive materials

Class 4—live chickens

Class 3—flammable liquids

Class 1—explosives

2 / 40

When accelerating:

"hammer down" when your wheels start to spin

do not engage the clutch before you take your foot off the brake

speed up smoothly and gradually and avoid jerking

always use the parking brake to slow down

3 / 40

You should____when an emergency requires you to quickly stop due to a crash.

use the hand valve

maintain pressure on the brake pedal

use stab or controlled braking

use only the engine brakes

4 / 40

In what position should the converter dolly air tank drain valve be in for double trailer combination?

in a halfway closed position

in an open position

in a closed position

in a 1/3 open position

5 / 40

Select the situation in which you should use the hand valve to park a combination vehicle.

during the winter

when parking at loading docks

when parking on a grade

in no situation

6 / 40

For Division 1.1 or 1.2 Explosives A, should the floor liner required be stainless steel?

Any type of floor liner is sufficient

Yes

Never use a floor liner for any explosive class

7 / 40

Which of the following about the front tires on a commercial bus is true?

Can be recapped, but never regrooved.

Must not have recapped or regrooved tires.

Must not be recapped, but can be regrooved.

Can be regrooved or recapped as long as they have 4/32 tread depth.

8 / 40

Select the true statement about handling triples and doubles:

due to off-tracking, a triple bottom rig can come to a stop faster than a 5-axle tractor

because of the crack the whip effect, the rear trailer of a 100-foot triple is less likely to tip over

a tip over of the rear trailer can occur due to sudden movements of the steering wheel

triples and doubles handle the same as singles

9 / 40

When does your vehicle's single brake system need an adjustment?

when the governor stops between 75-90 psi

if the compressor cuts out at between 70 and 90 psi

if the pressure builds from 50 to 75 psi in less than 3 minutes

when the pressure builds from 85 to 100 psi in less than 1 minute

10 / 40

Buses are prohibited from carrying all of the following hazardous materials except:

Properly labeled poison gas canisters.

Small-arms ammunition.

Materials labeled radioactive in the space occupied by people.

Properly secured tear gas canisters.

11 / 40

If there is rust around the nuts, what may it indicate?

They need to be changed out.

They are fitted just right.

They are loose.

There is a leak somewhere.

12 / 40

Puddles or dripping fluids from the underside of the transmission and engine may indicate:

All of these answers are correct

Problems with the water pump

A leaking line or hose

A leak from the engine

13 / 40

Which trailer is more likely to roll over when pulling 3 trailers?

the tractor

the first trailer

the second trailer

the last trailer

14 / 40

If you work for an interstate carrier:

Only fill out report for buses with defects.

None of these answers are correct.

If there are no defects, no report is necessary.

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

15 / 40

You should check the_____when loading small tanks equipped with bulkheads.

expansion rate

distribution of the weight

fuel to air ratio

percentage of water

16 / 40

In the slide mechanism of the sliding fifth wheel, this object should have no missing pins or be loose when fully engaged.

Locking pins

Kingpin

Pintle hook

Rock jaw

17 / 40

Which of the following is NOT something you need to know in order to determine if you need to use placards?

The amount of a substance or material being shipped.

The manufacturing date for the materials.

The substance or material's hazard class.

The amount of all hazardous materials of all classes in your vehicle.

18 / 40

What will happen should a driver cross the air lines when hooking up the an older trailer?

the hand valve will activate the tractor brakes instead of the trailer brakes

none of the answers listed

if there are no spring brakes, you can drive on but there will be no trailer brakes

the brake pedal will activate the trailer spring brakes instead of the air brakes

19 / 40

The CDL manual indicates the last step on picking up students at the bus stop is as follows:

Open the service door just enough to activate the alternating red light when traffic is in a safe distance from the bus.

Make a final check to confirm all traffic stops before opening the bus door and signaling students to approach.

Activate the amber flashing caution lights to warn vehicles that the bus will stop to load passengers soon.

Place transmission in park or neutral and set parking brake.

20 / 40

What is the purpose of cladding in a tanker?

It eliminates liquid surge.

It protects the cargo from changes in temperature.

It protects the tanker form any corrosive cargo.

It controls the temperature of the cargo.

21 / 40

This should be cleaned and then adjusted properly while inside the cab.

The mirrors

The lug bolts

The windshield

The headlights

22 / 40

There must not be more than_____for engine compartment belts.

1/2 inch of play at the center of the belt

1/2 inch of play at the end of the belts

3/4 inch of play at the center of the belt

1/4 inch of play at the ends of the belt

23 / 40

How do you check the air flow to the last trailer?

listen for escaping air after opening the emergency shut off valve

watch the brake lights as you step on the brake pedal

while on an level surface, test the emergency brake lines

pull the vehicle forward and then step on the brakes

24 / 40

Which of the following statements about bus evacuation is true?

If time allows, notify the dispatcher about evacuation location, conditions, and type of assistance needed.

If time allows, walk through the bus and close all windows.

If time allows, backup to the stop before evacuating the bus.

If time allows, notify the police.

25 / 40

Forward and back surge is powerful in this type of tanker.

Waffle

Bulktruck

Hard stroke

Smooth bore

26 / 40

Select the false statement about suspension:

Check for shifted, missing, or cracked leaf springs.

Check to make sure torsion bars and/or arms are lubricated.

Check for broken or cracked spring hangers.

Check for distorted or broken coil springs.

27 / 40

The blind spot behind the bus could extend to how many feet?

200 feet

300 feet

100 feet

400 feet

28 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

Classes 1, 4, and 51

Classes 1, 21, and 3

Classes 1, 3, and 4

Classes 1, 3, and 6

29 / 40

Which of the following statements is FALSE?

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

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

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

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

30 / 40

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

on parking brake lines

on emergency air lines

on service air lines

on emergency and service air lines

31 / 40

Select the statement that is true in regards to quick steering movements and triple/double trailers:

it is easier to countersteer compared to other vehicles

as you perform quick steering movements you should apply pressure to the brake pedal

there are no issues that occur from quick steering

they flip over due to quick steering movements a lot easier than other vehicles

32 / 40

Which of the following would NOT be part of a standard vehicle inspection?

steering system defects

seating defects

bad brake drums or shoes

tire problems

33 / 40

A tank vehicle:

Is a vehicle that can transport liquified gasses.

Is a vehicle that can transport bulk fertilizer.

Is a vehicle that can transport liquid.

All answers listed.

34 / 40

This item should not be rusted, bent, or damaged and centered over evenly spaced tires and dual wheels.

Spacers

Fifth wheel

Frame

Lug bolts

35 / 40

This object should be clean with no obstructions, illegal stickers or damage to the glass.

The side mirrors

The windshield

The lighting indicators

The headlights

36 / 40

How do you test the trailer service brakes?

release air to the spring brakes

test the brakes out while driving at 5 mph

apply pressure to the brake pedal

apply the hand control and check to see if you feel the trailer brakes come on

37 / 40

Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?

time of day

weather

length and steepness of grade

total weight of the vehicle and cargo

38 / 40

Which of the following statements about downshifting is NOT true?

downshift before entering a curve

downshift before climbing a hill

downshift before starting down a hill

downshift when you get to the bottom of a hill

39 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

aggressive driving

defensive driving

tailgating

road rage

40 / 40

Do not tow or push a disabled bus with riders aboard the vehicle, unless:

Your employer tells you to.

Bus is on a drawbridge.

Getting off the bus would be unsafe.

You are also a class a tow truck driver.

Your score is

The average score is 0%

5/5 - (2 votes)

CDL Category Practice Tests

CDL Practice Test

How To Get A maryland Commercial Drivers License

Applicants can apply for any CDL and necessary endorsements when they are 21 years of age or older. Applicants may apply for a restricted CDL at the age of 18 years old. This restricted CDL limits the driver to intrastate driving and doesn’t allow HazMat Certification, driving double or triple trailers, or driving school buses with children on board. All applicants must possess a current DOT medical card to be considered for their CDL.

All drivers that have the following issues are considered disqualified from receiving their Maryland CDL.

Having a current license suspended, revoked, denied, or canceled.
Possessing more than one state driver’s license.
Having restricted CDL driving privileges in another state.
Being convicted of driving impaired within 24 months prior to submitting a CDL application.

All applicants must successfully pass both a skills test and a knowledge test in order to receive their Maryland CDL. To receive specific endorsements, individuals must pass examinations about the endorsement as well.

Endorsements
X – Tank and Hazmat Endorsement
H – Hazardous Materials
N – Tank Vehicles
P – Passenger Vehicles
T – Double / Triple Trailers

Hit the Open Road

maryland CDL License Test Tips

Knowledge tests are required to receive Class A, B, and C CDLs and endorsements. All applicants must take a 50 question test and pass with a score of 40 or higher to receive their CDL permit. Those applying for a Class A license must take a 70 question test, with 20 of the questions pertaining directly to combination vehicles. All endorsements require their own specific examination that has been 20 and 30 questions. All assessments must be passed with a score of 80 or higher.

Each applicant is required to complete a three-section skills assessment. This assessment is comprised of a vehicle inspection, driving test, and basic control test. To pass the skills portion of the CDL assessment, applicants must successfully show their knowledge in all three areas. Those seeking vehicle-specific endorsements must take the skills test in that specific type of vehicle they want the endorsement for.

Additional Information

Information on the Maryland Motor Vehicle Administration

The Maryland Motor Vehicle Administration provides the oversight and administration of CDL requirements in Maryland. To get more information contact them via:

Website: http://www.mva.maryland.gov/drivers/apply/cdl/commercial.htm

Phone: 410.424.3011

Additional Maryland CDL Helpful Links

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

maryland CDL Practice Test