1 / 20
A. B. False.
B. A. True
Try not to overdo the item or what you are checking it for. You only get 30 minutes to check everything on the vehicle.
2 / 20
A. A. Yes
B. B. No
Overviews give you a chance to catch major problems early.
3 / 20
A. C. Nothing, you do not have to check the lights
B. A. That they work
C. B. That the lens covers are there, lights are securely attached, clean, and working
All lights will need checked at the front, back and sides of the vehicle. They will need checked for covers, cleanliness, secureness, and that they work.
4 / 20
A. C. That it is clean, and not leaking
B. B. That the windshield is there, not cracked or chipped, clean, the seals are in good condition, and not leaking
C. A. That the windshield is there, not cracked or chipped
Mentioning the windshield and checking it for cracks, chips, and cleanliness is not enough. You will have to check the seals and for leaks to get it marked as checked.
5 / 20
A. A. The hinges, catches, and springs
B. D. Both A and C
C. C. For damage
D. B. The important stuff is under the hood, so nothing
The hood will always need checked, mainly for damage, but don't forget the hinges, catches, and springs or you might not get credit.
6 / 20
A. B. No cracks
B. A. Properly mounted
C. D. All the above
D. C. Clean
Don't forget you can have mirrors on the hood, and on the doors of the cab. While outside check for mounts, cracks, and cleanliness. You should also check them again when inside the vehicle to make sure they are properly adjusted.
7 / 20
A. B. Transmission fluid, oil, coolant, and power steering fluid
B. D. None of these
C. A. Windshield wiper fluid, oil, coolant, and moisture or leaks
D. C. Moisture or leaks, oil, coolant, power steering fluid
It is best to check all your fluids during a pre-trip inspection, but the fluids you have to say are oil, coolant, power steering, and checking for moisture and leaks.
8 / 20
A. A. Power steering pump, fuel pump, alternator, water pump
B. D. Power steering pump, alternator, air compressor, and water pump
C. C. Fuel pump, alternator, air compressor, water pump
D. B. Power steering pump, fuel pump, alternator, air compressor
It is best to check all your belt and gear driven components, but the power steering, alternator, air compressor, and water pump are all that appear on the CDL pre-trip.
9 / 20
A. C. Not leaking
B. D. All the above
C. B. Clean of debris
D. A. Proper level
All fluids should be at the proper level, clean, free of debris, with no leaks. You can also add proper color to this list. Some coolants are red, green and orange. Red or clear for most power steering. Oil can be difficult, it should be tan in color, but normally after use of the vehicle it gets black.
10 / 20
A. C. Upper steering linkage, universal joints, power steering pump, pitman arm, drag link, tie rod ends, tie rod
B. D. Upper steering linkage, universal joints, pitman arm, tie rod ends, tie rod
C. B. Upper steering linkage, universal joints, tie rod ends, tie rod
D. A. Upper steering linkage, gearbox, tie rod ends, and tie rod
The steering linkage consists of upper steering linkage, universal joints, power steering pump, pitman arm, drag link, tie rod ends, tie rod. They will all need checked separately.
11 / 20
A. C. No excessive play
B. A. All castle nuts are tight and secure
C. B. Cotter pins in place
D. D. All the above
Along with the castle nuts, cotter pins, and excessive play you can check for illegal welds and cracks.
12 / 20
A. C. Power steering fluid
B. A. Oil level
C. B. Oil pressure
D. D. Coolant level
Oil pressure is checked on the inside of the cab using the oil pressure gauge.
13 / 20
A. B. Water pump belt
B. C. Safety belt
C. D Air compressor belt
D. A. Power steering belt
The safety belt secures the driver in the cab.
14 / 20
A. C. The suspension system
B. B. The safety system
C. D. The hydraulic system
D. A. The coupling system
These are all components of the suspension system and will need checked independently in your pre-trip exam.
15 / 20
A. D. Leaks
B. B. Connections tight and secure
C. A. Cracks, frays, and tears
D. F. A, B, and D.
E. C. Welds
F. E. Both A and B
Make sure the lines are connected and secure, no frays, cracks, tears, and no leaks to get hoses marked off. The trick is you need to say horses for the air compressor, power steering, water pump independently to get credit.
16 / 20
A. C. Overheating
B. A. Excessive play
C. D. Both A and B
D. B. Cracks, frays, and tears
Check each belt individually. There can be belts for a few different components under the hood. The excessive play of more than 3/4 of an inch.
17 / 20
A. B. No frays, cracks, or damage
B. D. All the above
C. C. No signs of leaks
D. A. Connections tight and secure
As with all hoses, make sure the connections are tight and secure. That there are no frays, cracks, or damage to the lines with no leaks. With an airline leaks can be found by suspicious clean spots on the hose.
18 / 20
A. D. Only used in emergencies
B. B. Where air is stored for use
C. A. Part of the braking system
D. C. Not on a commercial vehicle
Also called brake chambers, they are found on most commercial vehicles, and filled with air to apply the brakes.
19 / 20
A. D. All the above
B. B. Not leaking
C. C. Not damaged
D. A. Tight and secure
Also called brake chambers, they need to be mounted tight and secure, not excessively damaged, and not leaking.
20 / 20
A. D. 1 inch
B. C. 3/4 of an inch
C. B. 1/2 of an inch
D. A. 1/4 of an inch
There should be no more than 1 inch of play in any slack adjuster on the vehicle, with the brakes off.