CDL Class A
CDL Class A Pre-Trip Inspection Quiz
Test your knowledge on pre-trip inspection and safety standards for CDL Class A drivers. This quiz covers essential topics that every professional truck driver should master.
- Seven steps of pre-trip inspection
- Air brake system components
- Driving safety and regulations
Which of the following correctly lists the seven steps of pre-trip inspection in order?
Vehicle overview, Check the engine's compartment, Check the lights, Fire up engine and inspect cab, Walk-around vehicle inspection, Check signal lights, Test brakes
Vehicle overview, Walk-around vehicle inspection, Check the engine's compartment, Fire up engine and inspect cab, Check the lights, Check signal lights, Test brakes
Vehicle overview, Check the engine's compartment, Fire up engine and inspect cab, Check the lights, Walk-around the vehicle inspection, Check the signal lights, Test your brakes
During the trip, how often should you inspect your truck?
Every 50 miles
Every 100 miles if driven within 24 hours
Every 50 miles for the first 3 hours, then every 150 miles
When backing up, which way should you turn your wheel?
The opposite direction of where you want to go
The same direction you want to go
About how many seconds should you assume any reaction will take?
5-8
10-12
12-15
What is the safe way to pass a bicyclist or pedestrian?
Flash brake lights before passing
Honk your horn as you pass
Only pass if there is a second lane or wide shoulder
If you have to stop on the side of the road, how many minutes ahead of the stop should you place your reflective triangles?
5
10
15
If your truck is 50 feet long, how many seconds should you have between you and the vehicle in front of you?
5 seconds at 40 mph or less, 6 seconds at more than 40 mph
3 seconds at 40 mph or less, 4 seconds at more than 40 mph
5 seconds at 50 mph or less, 6 seconds at more than 50 mph
If you are turning left, where should you position yourself?
Inside left lane to avoid other vehicles from passing you on the left side
Outside right lane for more room to swing right
Either lane, as long as you wait until the intersection to begin turning your wheel
Which of the following is the correct procedure should you drive through a puddle and get your brakes wet?
Use them more often to heat them up and dry them out
There is no procedure, but it is recommended to avoid large puddles
Put the transmission in low gear and gently put pressure on the brakes to heat them up
What is the best way to figure out how many seconds of following distance you have?
Use a stopwatch to determine how long before you reach a mile marker after the car in front of you appeared to reach it
Wait until a vehicle passes a shadow or landmark, then count the seconds until you pass it
Estimating the distance of car lengths as seconds between you and the vehicle in front of you
Which of the following determines the safe speed for going down a steep downgrade?
Road conditions and steepness of grade
Road conditions and total weight of vehicle and cargo
Steepness of grade, total weight of vehicle and cargo, and road conditions
Which of these equals the total stopping distance?
Perception distance + reaction distance
Reaction distance + perception distance + braking distance
Reaction distance + braking distance + signal distance
Which of the following describes a vehicle for a Class A license holder?
A vehicle with a GCWR (gross combination weight rating) of 26,001 lbs or more and a towed vehicle that is heavier than 10,000 lbs
A single vehicle with a GCWR of 26,001 lbs or heavier and/or a vehicle that is towing another vehicle weighing up to 10,000 lbs
A vehicle that does not meet a GCWR of 26,001 lbs or more and is meant to transport either 16+ passengers or hazardous material
What are the three parts of the air brake system?
The service, parking, and emergency brake systems
The tank, service, and emergency brake systems
The compression, tank, and service brake systems
Which of the following describes the air compressor?
Pumps air into the storage tanks
Manages when to pump air into storage tanks
Holds compressed air to be used in braking system
Which of the following describes the air compressor governor?
Pumps air into the storage tanks
Manages when to pump air into storage tanks
Holds compressed air to be used in braking system
Which of the following describes the air storage tanks?
Drain built up water or oil in the bottom of tanks
Automatically open at a set PSI, usually 150, to prevent too much pressure in the air brakes system
Hold the compressed air used in the braking system
Which of the following describes the air tank drains?
Drain built up water or oil in the bottom of tanks
Automatically open at a set PSI, usually 150, to prevent too much pressure in the air brakes system
Hold the compressed air used in the braking system
Which of the following describes the alcohol evaporator?
Puts alcohol into the air system to reduce the risk of ice
Pumps alcohol vapor into storage tanks
Engages the air brakes
Which of the following describes the safety valve?
Automatically opens at a set PSI, usually 150, to prevent too much pressure in the air brakes system
Engages the air brakes when pressed
Is connected to the air tanks and tells the pressure of each tank
Which of the following describes the brake pedal?
Engages the air brakes when pressed
The brakes used at each wheel; most commonly S-cam brakes but can also be wedge brakes or disc brakes
Usually a yellow, diamond-shaped, push-pull control knob, but could be a lever on older vehicles
Which of the following describes foundation brakes?
Brakes used at each wheel which are most commonly S-cam brakes, but may also be wedge brakes or disc brakes
Engages the air brakes when pressed
Usually a yellow, diamond-shaped, push-pull control knob, but could be a lever on older vehicles
Which of the following describes the supply pressure gauges?
Displays how much pressure is being applied to the brakes
Connected to the air tanks and tell the pressure of each tank
Engages the air brakes when pressed
Which of the following describes the application pressure gauge?
Connected to the air tanks and tell the pressure of each tank
Displays how much pressure is being applied to the brakes
Engages the air brakes when pressed
Which of the following describes the stop light switch?
Turns on the brake lights when applying the brakes, alerting anyone behind that the vehicle is slowing
Only on vehicles made before 1975 and when set to "slippery", it cuts the standard air pressure to the front brakes in half
Used for the emergency and parking brake systems; powerful springs are held back by air pressure, and when the air pressure is released, the springs allow for braking
Which of the following describes the front brake limiting valve?
Turns on the brake lights when applying the brakes, alerting anyone behind that the vehicle is slowing
Only on vehicles made before 1975 and when set to "slippery", it cuts the standard air pressure to the front brakes in half
Used for the emergency and parking brake systems; powerful springs are held back by air pressure, and when the air pressure is released, the springs allow for braking
Which of the following describes spring brakes?
Only on vehicles made before 1975 and when set to "slippery", it cuts the standard air pressure to the front brakes in half
Turns on the brake lights when applying the brakes, alerting anyone behind that the vehicle is slowing
Used for the emergency and parking brake systems; powerful springs are held back by air pressure, and when the air pressure is released, the springs allow for braking
Which of the following describes parking brake controls?
Only on vehicles made before 1975 and when set to "slippery", it cuts the standard air pressure to the front brakes in half
Displays how much pressure is being applied to the brakes
Usually a yellow, diamond-shaped, push-pull control knob, but could be a lever on older vehicles
In a dual air brake system which is controlled by the primary system?
The regular brakes on the rear axle
The brakes on the front axle only
The brakes on the front axle and maybe one rear axle
In a dual air brake system which is controlled by the secondary system?
The regular brakes on the rear axle
The brakes on the front axle only
The brakes on the front axle and maybe on one rear axle
What emergency braking method may be defined as applying the brakes as hard as possible without locking the wheels?
Controlled braking
Stab braking
Staggered braking
What emergency braking method may be defined as pressing on the brake pedal until the brakes lock up, releasing the brakes, and then as soon as the wheels begin rolling again, pressing the pedal back down as hard as you can?
Controlled braking
Stab braking
Staggered braking
What does a low pressure warning mean?
It means the air brake system is faulty and needs more alcohol for evaporation, so you should take your truck in for maintenance as soon as possible
It means there may be a leak in the air brakes system, so you should pull over and park as soon as it is safe to do so
It means your tires are below a certain PSI and should be aired up as soon as it is safe to do so
When should you use wheel chocks to hold the vehicle instead of using parking brakes?
If you are parked on a steep downgrade and your brakes are wet
If the air pressure is low and you are parked on a steep downgrade
If the brakes are very hot or if the brakes are very wet in freezing conditions
Which takes longer to stop?
Empty truck
Fully loaded truck
Which of the following is the correct procedure for shifting up?
Release accelerator, push in clutch and shift into neutral at the same time, release clutch, let engine and gears slow to the speed required for the next gear, push in clutch again and shift to next gear at same time
Release accelerator, push in clutch and shift to neutral at the same time, let engine and gears slow, release clutch, shift to next gear, press accelerator
Release clutch and shift to neutral at the same time, let engine and gears slow to the speed required for the next gear, push in clutch, press accelerator
You should use low beams whenever you can. True or False?
True
False
When does (Antilock Braking Systems) ABS activate?
When wheels are about to lock up
When air brake system is activated for a prolonged period
When brake pedal is locked
What is an escape ramp?
A ramp created specifically for truckers along the highway sometimes seen at places previously identified as common crash sites
An extra wide shoulder of soft gravel a few miles from the top of a downgrade
A small ramp designed for overflow a few miles from the top of a downgrade
In the case of an oncoming crash, what is the best option for you?
Stop and brake as soon as possible
Move to the shoulder to your right
Brake if there is room, and move to the shoulder on your right if there is not
Which of the following is safe to extinguish with water?
Class A fire
Class B fire
Class C fire
Which of the following describes a Class A fire?
Wood, paper, cloth
Gasoline, oil, grease
Electrical
Which of the following describes a Class B fire?
Wood, paper, cloth
Gasoline, oil, grease
Electrical
Which of the following describes a Class C fire?
Wood, paper, cloth
Gasoline, oil, grease
Electrical
Which of the following is safe to use on any type of fire?
Dry chemicals
Dry carbon dioxide
Multipurpose dry chemical
Which definition accurately defines the Gross Vehicle Weight (GVW)?
The total weight of a powered unit, plus trailer(s), plus the cargo
The total weight of a single vehicle plus its load
The maximum weight specified by the manufacturer for a specific combination of vehicles plus its load
Which definition accurately defines the Gross Combination Weight (GCW)?
The total weight of a powered unit, plus trailer(s), plus the cargo
The total weight of a single vehicle plus its load
The maximum weight specified by the manufacturer for a specific combination of vehicles plus its load
Which definition accurately defines the Gross Vehicle Weight Rating (GVWR)?
The maximum GVW specified by the manufacturer for a single vehicle plus its load
The maximum GCW specified by the manufacturer for a specific combination of vehicles plus its load
The total weight of a powered unit, plus trailer(s), plus the cargo
Which definition accurately defines the Gross Combination Weight Rating (GCWR)?
The maximum GVW specified by the manufacturer for a single vehicle plus its load
The maximum GCW specified by the manufacturer for a specific combination of vehicles plus its load
The total weight of a powered unit, plus trailer(s), plus the cargo
If you have a cargo amount that doesn't take up the entire floor of the truck bed, where should you place it?
Evenly balanced at the back of the truck, nearest the cab
Evenly balanced in the middle of the truck bed, between the cab and door
Evenly balanced at the end of the truck, nearest the door
If you have to tie down cargo, what is the minimum feet per tie-down?
Every 15 feet
Every 10 feet
Every 20 feet
If you have a manual air tank drain valve, how often should you drain the tanks?
The end of each day
The end of each week
After every 500 miles driven
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