#1 FREE Rated Pre-Trip Inspection Practice Test for ALL 50 States – 2023

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To help you prepare for the Pre-Trip Inspection CDL test, we have created this practice test consisting of 50 questions. Each question is worth two points for a total of 100 possible points. A passing score is 80%. We have created both a Pre-Trip Inspection Practice Quiz and a Pre-Trip Inspection Practice Test.

The Pre-Trip Inspection Practice Quiz reveals the correct answer during each question to help you study for the actual Pre-Trip Inspection CDL test. The Pre-Trip Inspection Practice Test doesn’t reveal the correct answers until the test is over. The questions and answers are given in random order each time you retake the test. When you are finished testing, simply click on the “Get Results” button to see your test results. Clicking on the blue “List” button will reveal a list of all the questions you answered correctly and incorrectly. To take the test again, just refresh your browser window. It’s that easy.

Press the start button to begin your free Pre-Trip Inspection Practice Quiz. Good luck!

Pre-Trip Inspection CDL Practice Quiz

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Congratulations - you have completed Pre-Trip Inspection CDL Practice Quiz. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%

Your answers are highlighted below.

Question 1

During the ______ part of the pre-trip inspection, you should look underneath the vehicle for fresh ______ leaks.

A	middle, oil, coolant, grease, or fuel
B	None of these answers are correct.
C	end, oil, coolant, grease, or fuel
D	beginning, oil, coolant, grease, or fuel
E	All of these answers are correct.

Question 2

The horn must be checked during the pre-trip inspection. True or False?

A	False.
B	True.

Question 3

Excluding the front tires, what is the minimum tread depth for tires?

A	8/64
B	8/32
C	2/32
D	2/64
E	4/32

Question 4

When testing the low pressure warning system, when should the alarm sound?

A	Before the pressure drops below 120 psi.
B	Before the pressure drops below 10 psi.
C	Before the pressure drops below 110 psi.
D	Before the pressure drops below 40 psi.
E	Before the pressure drops below 60 psi.

Question 5

The hood of the truck must be ______.

A	painted
B	None of these answers are correct.
C	securely latched or locked
D	well sealed
E	All of these answers are correct.

Question 6

The marker lights must be:

A	None of these answers are correct.
B	working.
C	the proper color.
D	not broken or cracked.
E	All of these answers are correct.

Question 7

The steps, in order, to perform a safe start are:

A	depress the clutch, place the gearshift into neutral (or park for automatic transmissions), start the engine, release the clutch slowly.
B	depress the clutch, place the gearshift into neutral (or park for automatic transmissions), release the clutch slowly, start the engine.
C	start the engine, depress the clutch, place the gearshift into neutral (or park for automatic transmissions), release the clutch slowly.
D	depress the clutch, start the engine, place the gearshift into neutral (or park for automatic transmissions), release the clutch slowly.

Question 8

Wheel bearing seals should be inspected thoroughly for______.

A	leaks
B	discoloring
C	wear
D	rust
E	All of these answers are correct.

Question 9

You ______ the brakes ______ performing a static leak test.

A	release, before
B	release, after
C	set, after
D	set, before

Question 10

The header board is located on the ______ of the trailer and is supposed to protect the ______ in case of an accident.

A	front, cab
B	side, load
C	back, load
D	bottom, axle
E	top, load

Question 11

The truck grill must not be ______.

A	None of these answers are correct.
B	All of these answers are correct.
C	loose
D	dirty
E	missing

Question 12

The ______ needs to be inspected for missing ______, ______, and ______.

A	springs, nuts, bolts, cotter keys
B	axle, cotter keys, bolts, springs
C	shock absorbers, air leaks, cotter keys, bolts
D	steering box, nuts, bolts, cotter keys

Question 13

When inspecting the hub oil seals and axle seals, if the wheel has a ______, then the oil level is ______.

A	slight glass, low
B	discoloring, too high
C	discoloring, low
D	slight glass, adequate

Question 14

During the in-cab inspection, ______ steering wheel play should not exceed ______ degrees or about ______ inches on a 20-inch wheel.

A	power, 10, 1
B	power, 10, 4
C	non-power, 15, 2
D	non-power, 10, 2

Question 15

When you first approach the vehicle to perform the pre-trip inspection, you should look underneath for fresh leaks? True or False?

A	False.
B	True.

Question 16

The first thing you should do when you start the engine during the in-cab part of your pre-trip inspection is:

A	Check to make sure all your gauges look normal.
B	Start the engine and listen for abnormal engine noises.
C	Check to make sure your horn is working correctly.
D	Check to make sure the parking brake is on.

Question 17

When inspecting the frame, you must check to make sure there are no ______.

A	None of these answers are correct.
B	cracks
C	broken welds
D	holes
E	All of these answers are correct.

Question 18

During the pre-trip inspection, you should keep the starter switch key in your pocket because:

A	you will need the key to open the side box.
B	it will prevent anyone from moving the vehicle while you are underneath inspecting it.
C	you might misplace the key somewhere.
D	you will need the key during the trailer inspection.

Question 19

Where should you clean and adjust the mirrors?

A	From outside the cab.
B	Neither of these answers are correct.
C	From inside the cab.
D	Either of these answers are correct.

Question 20

According to federal and state laws, truck drivers are required to inspect their vehicle ______ a trip.

A	before and after
B	immediately after
C	halfway through
D	All of these answers are correct.
E	before

Question 21

When you are inspecting the engine compartment hoses for leaks or cracks, the engine should be ______.

A	on
B	Any of these answers are correct.
C	on, but idling
D	off

Question 22

The outer hub oil seal must not be ______.

A	None of these answers are correct.
B	leaking
C	low on oil
D	missing bolts
E	All of these answers are correct.

Question 23

Not performing an air brake check during the pre-trip inspection will result in an automatic failure. True or False?

A	False.
B	True.

Question 24

The windshield must not be ______.

A	cracked
B	None of these answers are correct.
C	dirty
D	broken
E	All of these answers are correct.

Question 25

During the pre-trip inspection, you should always start with the service brake check when doing the air brakes test. True or False?

A	False.
B	True.

Question 26

When inspecting the air/electrical connections, the ______ should be ______ and free of any ______.

A	hoses, locked in place, gas leaks
B	glad hands, locked in place, foreign objects
C	glad hands, locked in place, damage or air leaks
D	wire harness, locked in place, damage

Question 27

When you first approach the vehicle to perform the inspection, you shouldn't check for damage to the vehicle. True or False?

A	True.
B	False.

Question 28

The ______ gauge should rise ______ to the normal range when you start the engine.

A	oil temperature, quickly
B	engine temperature, quickly
C	air, gradually
D	oil temperature, gradually

Question 29

You should perform the same exact pre-trip inspection routine each time so that you learn all the steps and don't forget anything. True or False?

A	False.
B	True.

Question 30

If equipped, the ______ must operate properly.

A	All of these answers are correct.
B	C.B. radio
C	windshield wipers
D	hands free blue phone system
E	None of these answers are correct.

Question 31

During the pre-trip inspection, you should check to make sure you have which emergency items?

A	Spare electrical fuses, emergency flashlight, three reflective red triangles.
B	Spare electrical fuses, three reflective red triangles, and a properly charged and rated fire extinguisher.
C	Spare electrical fuses, flares, and an emergency flashlight.
D	Fully charged cell phone, emergency flashlight, and a properly charged and rated fire extinguisher.

Question 32

When inspecting the tires the ______ should not be missing, broken, or damaged.

A	valve caps and stems
B	valve caps
C	None of these answers are correct.
D	stems

Question 33

Check to make sure the joints and ______ are not ______ and that there are no missing nuts, bolts, or cotter keys.

A	sockets, loose
B	rods, rusted
C	sockets, rusted
D	rods, loose
E	sockets, leaking

Question 34

When inspecting the drive shaft, the ______ should be secure and free of ______.

A	torque rod, foreign objects
B	torque rod, rust
C	couplings, foreign objects
D	axle seals, leaks
E	couplings, rust

Question 35

You should clean all the reflectors, lights, and glass as you perform the pre-trip inspection. True or False?

A	True.
B	False.

Question 36

The heater and defroster must be checked during the pre-trip inspection. True or False?

A	False.
B	True.

Question 37

The depth of the tread on the front tires must be ______ of an inch.

A	1/4
B	4/32
C	9/16
D	None of these answers are correct.
E	3/8

Question 38

When you start the engine, the ______ gauge should build air pressure to governor cut-out at approximately ______ psi.

A	air, 110-120
B	oil, 120-140
C	oil, 110-120
D	air, 120-140

Question 39

You do not check the ______ on every tire.

A	tread depth
B	tire condition
C	tire inflation
D	tread color

Question 40

During the pre-trip inspection, you must be able to show the examiner that you can check the lighting indicators for the:

A	Four-way emergency flashers.
B	High beam lights.
C	Left and right turn signal and high beam lights only.
D	Left and right turn signal.
E	All of these answers are correct.

Question 41

When inspecting the landing gear make sure the ______ is not ______.

A	crank handle, damaged
B	crank handle, fully raised
C	support frame, loose
D	support frame, damaged

Question 42

After you've inspected the engine compartment, front of the vehicle, rear of the vehicle, rear of the tractor/truck, and the front of the trailer, you should inspect the ______ next.

A	trailer rear axle
B	vehicle lights
C	side of the trailer
D	rear of the trailer
E	coupling device

Question 43

When pumping the brake pedal to release the spring brakes, when should the air brake buttons pop out?

A	0 to 10 psi.
B	110 to 120 psi.
C	10 to 20 psi.
D	20 to 40 psi.
E	After 60 psi.

Question 44

During the pre-trip inspection, the ______ does not get checked at the rear of the trailer.

A	hinges
B	splash guards
C	reflectors
D	landing gear
E	doors

Question 45

With a dual air system, the air pressure should increase from 85 psi to 100 psi within ______ seconds, while running the engine at ______ RPM.

A	65, 1800
B	35, 1600
C	45, 1800
D	25, 1800
E	45, 1600

Question 46

The ______ are not inspected in the engine compartment.

A	power steering fluid level and coolant level
B	oil level, leaks, and hoses
C	oil pressure gauge, voltmeter, and ampmeter
D	air compressor belt and power steering belt
E	water pump belt and alternator belt

Question 47

The tire pressure must be ______ psi.

A	90 to 110
B	80 to 100
C	75 to 85
D	110 to 120
E	75 to 90

Question 48

The wheel rim must not have ______.

A	welding repairs
B	aluminum lug nuts
C	a painted finish
D	vents
E	All of these answers are correct.

Question 49

The registration license plate must be:

A	All of these answers are correct.
B	Valid.
C	Clearly visible.
D	Clean.
E	None of these answers are correct.

Question 50

The turn signals/hazard lights must be ______.

A	red only
B	either amber or orange
C	amber only
D	orange only
E	either amber or red

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The Pre-Trip Inspection Practice Test doesn’t reveal the correct answers until the test is over. The questions and answers are given in random order each time you retake the test. When you are finished testing, simply click on the “Get Results” button to see your test results. Clicking on the blue “List” button will reveal a list of all the questions you answered correctly and incorrectly. To take the test again, just refresh your browser window.

Press the start button to begin your free Pre-Trip Inspection Practice Test. Good luck!

Pre-Trip Inspection CDL Practice Test

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

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Start

Congratulations - you have completed Pre-Trip Inspection CDL Practice Test. You scored %%SCORE%% out of %%TOTAL%%. Your performance has been rated as %%RATING%%

Your answers are highlighted below.

Question 1

If equipped, the ______ must operate properly.

A	All of these answers are correct.
B	hands free blue phone system
C	windshield wipers
D	None of these answers are correct.
E	C.B. radio

Question 2

The truck grill must not be ______.

A	missing
B	loose
C	All of these answers are correct.
D	dirty
E	None of these answers are correct.

Question 3

When testing the low pressure warning system, when should the alarm sound?

A	Before the pressure drops below 110 psi.
B	Before the pressure drops below 60 psi.
C	Before the pressure drops below 120 psi.
D	Before the pressure drops below 40 psi.
E	Before the pressure drops below 10 psi.

Question 4

Check to make sure the joints and ______ are not ______ and that there are no missing nuts, bolts, or cotter keys.

A	sockets, leaking
B	rods, rusted
C	rods, loose
D	sockets, loose
E	sockets, rusted

Question 5

Where should you clean and adjust the mirrors?

A	From outside the cab.
B	Either of these answers are correct.
C	Neither of these answers are correct.
D	From inside the cab.

Question 6

You should clean all the reflectors, lights, and glass as you perform the pre-trip inspection. True or False?

A	False.
B	True.

Question 7

The hood of the truck must be ______.

A	None of these answers are correct.
B	securely latched or locked
C	well sealed
D	All of these answers are correct.
E	painted

Question 8

The steps, in order, to perform a safe start are:

A	start the engine, depress the clutch, place the gearshift into neutral (or park for automatic transmissions), release the clutch slowly.
B	depress the clutch, start the engine, place the gearshift into neutral (or park for automatic transmissions), release the clutch slowly.
C	depress the clutch, place the gearshift into neutral (or park for automatic transmissions), release the clutch slowly, start the engine.
D	depress the clutch, place the gearshift into neutral (or park for automatic transmissions), start the engine, release the clutch slowly.

Question 9

The horn must be checked during the pre-trip inspection. True or False?

A	False.
B	True.

Question 10

The tire pressure must be ______ psi.

A	75 to 85
B	110 to 120
C	80 to 100
D	90 to 110
E	75 to 90

Question 11

The heater and defroster must be checked during the pre-trip inspection. True or False?

A	True.
B	False.

Question 12

When inspecting the landing gear make sure the ______ is not ______.

A	crank handle, damaged
B	crank handle, fully raised
C	support frame, loose
D	support frame, damaged

Question 13

The windshield must not be ______.

A	None of these answers are correct.
B	cracked
C	All of these answers are correct.
D	dirty
E	broken

Question 14

During the pre-trip inspection, you must be able to show the examiner that you can check the lighting indicators for the:

A	All of these answers are correct.
B	High beam lights.
C	Four-way emergency flashers.
D	Left and right turn signal.
E	Left and right turn signal and high beam lights only.

Question 15

The ______ needs to be inspected for missing ______, ______, and ______.

A	shock absorbers, air leaks, cotter keys, bolts
B	axle, cotter keys, bolts, springs
C	steering box, nuts, bolts, cotter keys
D	springs, nuts, bolts, cotter keys

Question 16

During the ______ part of the pre-trip inspection, you should look underneath the vehicle for fresh ______ leaks.

A	middle, oil, coolant, grease, or fuel
B	beginning, oil, coolant, grease, or fuel
C	All of these answers are correct.
D	end, oil, coolant, grease, or fuel
E	None of these answers are correct.

Question 17

During the pre-trip inspection, the ______ does not get checked at the rear of the trailer.

A	splash guards
B	reflectors
C	landing gear
D	hinges
E	doors

Question 18

You should perform the same exact pre-trip inspection routine each time so that you learn all the steps and don't forget anything. True or False?

A	True.
B	False.

Question 19

According to federal and state laws, truck drivers are required to inspect their vehicle ______ a trip.

A	before and after
B	immediately after
C	halfway through
D	before
E	All of these answers are correct.

Question 20

The marker lights must be:

A	the proper color.
B	None of these answers are correct.
C	working.
D	All of these answers are correct.
E	not broken or cracked.

Question 21

The ______ gauge should rise ______ to the normal range when you start the engine.

A	oil temperature, gradually
B	engine temperature, quickly
C	air, gradually
D	oil temperature, quickly

Question 22

The outer hub oil seal must not be ______.

A	low on oil
B	leaking
C	missing bolts
D	None of these answers are correct.
E	All of these answers are correct.

Question 23

The header board is located on the ______ of the trailer and is supposed to protect the ______ in case of an accident.

A	top, load
B	side, load
C	back, load
D	bottom, axle
E	front, cab

Question 24

Wheel bearing seals should be inspected thoroughly for______.

A	rust
B	All of these answers are correct.
C	wear
D	discoloring
E	leaks

Question 25

The registration license plate must be:

A	Clean.
B	Clearly visible.
C	None of these answers are correct.
D	Valid.
E	All of these answers are correct.

Question 26

When you start the engine, the ______ gauge should build air pressure to governor cut-out at approximately ______ psi.

A	oil, 120-140
B	air, 110-120
C	air, 120-140
D	oil, 110-120

Question 27

When you first approach the vehicle to perform the inspection, you shouldn't check for damage to the vehicle. True or False?

A	False.
B	True.

Question 28

The wheel rim must not have ______.

A	welding repairs
B	aluminum lug nuts
C	vents
D	All of these answers are correct.
E	a painted finish

Question 29

Not performing an air brake check during the pre-trip inspection will result in an automatic failure. True or False?

A	False.
B	True.

Question 30

When inspecting the drive shaft, the ______ should be secure and free of ______.

A	couplings, rust
B	couplings, foreign objects
C	axle seals, leaks
D	torque rod, rust
E	torque rod, foreign objects

Question 31

When pumping the brake pedal to release the spring brakes, when should the air brake buttons pop out?

A	110 to 120 psi.
B	10 to 20 psi.
C	20 to 40 psi.
D	0 to 10 psi.
E	After 60 psi.

Question 32

When you first approach the vehicle to perform the pre-trip inspection, you should look underneath for fresh leaks? True or False?

A	False.
B	True.

Question 33

During the pre-trip inspection, you should check to make sure you have which emergency items?

A	Spare electrical fuses, emergency flashlight, three reflective red triangles.
B	Spare electrical fuses, flares, and an emergency flashlight.
C	Fully charged cell phone, emergency flashlight, and a properly charged and rated fire extinguisher.
D	Spare electrical fuses, three reflective red triangles, and a properly charged and rated fire extinguisher.

Question 34

The depth of the tread on the front tires must be ______ of an inch.

A	None of these answers are correct.
B	4/32
C	1/4
D	3/8
E	9/16

Question 35

You ______ the brakes ______ performing a static leak test.

A	release, after
B	set, before
C	set, after
D	release, before

Question 36

With a dual air system, the air pressure should increase from 85 psi to 100 psi within ______ seconds, while running the engine at ______ RPM.

A	65, 1800
B	35, 1600
C	25, 1800
D	45, 1600
E	45, 1800

Question 37

During the in-cab inspection, ______ steering wheel play should not exceed ______ degrees or about ______ inches on a 20-inch wheel.

A	power, 10, 1
B	non-power, 10, 2
C	non-power, 15, 2
D	power, 10, 4

Question 38

When inspecting the tires the ______ should not be missing, broken, or damaged.

A	valve caps and stems
B	None of these answers are correct.
C	valve caps
D	stems

Question 39

When you are inspecting the engine compartment hoses for leaks or cracks, the engine should be ______.

A	Any of these answers are correct.
B	on, but idling
C	off
D	on

Question 40

You do not check the ______ on every tire.

A	tire inflation
B	tread depth
C	tire condition
D	tread color

Question 41

The first thing you should do when you start the engine during the in-cab part of your pre-trip inspection is:

A	Start the engine and listen for abnormal engine noises.
B	Check to make sure all your gauges look normal.
C	Check to make sure your horn is working correctly.
D	Check to make sure the parking brake is on.

Question 42

After you've inspected the engine compartment, front of the vehicle, rear of the vehicle, rear of the tractor/truck, and the front of the trailer, you should inspect the ______ next.

A	side of the trailer
B	coupling device
C	trailer rear axle
D	rear of the trailer
E	vehicle lights

Question 43

When inspecting the frame, you must check to make sure there are no ______.

A	None of these answers are correct.
B	All of these answers are correct.
C	broken welds
D	holes
E	cracks

Question 44

Excluding the front tires, what is the minimum tread depth for tires?

A	8/32
B	4/32
C	2/64
D	2/32
E	8/64

Question 45

During the pre-trip inspection, you should keep the starter switch key in your pocket because:

A	you will need the key during the trailer inspection.
B	you will need the key to open the side box.
C	you might misplace the key somewhere.
D	it will prevent anyone from moving the vehicle while you are underneath inspecting it.

Question 46

The ______ are not inspected in the engine compartment.

A	oil level, leaks, and hoses
B	power steering fluid level and coolant level
C	water pump belt and alternator belt
D	air compressor belt and power steering belt
E	oil pressure gauge, voltmeter, and ampmeter

Question 47

When inspecting the hub oil seals and axle seals, if the wheel has a ______, then the oil level is ______.

A	discoloring, low
B	slight glass, adequate
C	slight glass, low
D	discoloring, too high

Question 48

The turn signals/hazard lights must be ______.

A	either amber or orange
B	amber only
C	orange only
D	either amber or red
E	red only

Question 49

During the pre-trip inspection, you should always start with the service brake check when doing the air brakes test. True or False?

A	True.
B	False.

Question 50

When inspecting the air/electrical connections, the ______ should be ______ and free of any ______.

A	glad hands, locked in place, foreign objects
B	glad hands, locked in place, damage or air leaks
C	wire harness, locked in place, damage
D	hoses, locked in place, gas leaks

Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results

There are 50 questions to complete.

←

List

→

Return

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46	47	48	49	50
End