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To obtain a CDL, you will be required to pass a vehicle inspection test. The vehicle inspection test, formerly known as pre-trip, is a skills test to see if you identify which features and equipment on the test vehicle should be inspected before driving. During the test, you will be asked to do an inspection of your vehicle. You will be expected to show your knowledge of the inspection process and you will be tested to see if you know whether your vehicle is safe to drive. During the CDL inspection test, DMV does not allow the use of testing aids, other than the vehicle inspection guide in the South Dakota CDL Manual. To prepare for the test, study the following sections of the CDL manual: Driving Safely and the Vehicle Inspection Test. If you do not pass the CDL inspection test, the other skills tests will be postponed.
1. What should you do to test your hydraulic brakes for leaks?
Pump the brake pedal three times, then apply pressure to the pedal and hold for five seconds.
Pump the brake pedal five times, then apply pressure for three seconds.
Pump the brake pedal three times, then apply pressure for 9 seconds.
Hold the brake pedal down for five seconds, then pump it three times.
2. Key suspension system parts include:
Tie rod
Lock rings
Bearing plates
All of the above.
3. When you inspect the front of your vehicle as part of the walk around inspection, you check all of the following EXCEPT:
the condition of your front axle.
the condition of the windshield.
the condition of the steering system.
the air pressure gauge.
4. When taking the road test, after driving under an overpass, you may be asked:
what the weight limit was.
what the license plate number of the vehicle ahead of you was.
what the posted clearance or height was.
how wide the overpass was.
5. During the vehicle inspection test, when asked to check the power steering fluid you should:
ensure that the power steering fluid level is above the refill mark.
check for adequate power steering fluid level.
indicate where power steering fluid dipstick is located.
All of the above.
6. Suspension system defects include:
steering wheel play of more than 10 degrees.
rust around wheel nuts.
cracked or broken spring hangers.
All of the above.
7. Name some key suspension system parts.
Pitman arm, hydraulic fluid reservoir and tie rod
Drag link, spindle and gear box
Main spring, axle and font axle hanger
Mufflers, tailpipes and vertical stacks
8. You pump the brake pedal three times, then hold it down for five seconds, making sure that the pedal does not move. You are checking:
the parking brake.
the service brake.
the hydraulic brakes.
the air brakes.
9. During the vehicle inspection test, after checking the area around the vehicle for hazards, and before opening the engine compartment door, you should:
check the level of brake fluid in the reservoir.
depress the clutch.
check that the parking brakes are set and/or the wheels are chocked.
remove the battery.
10. When performing the stop/start maneuver during the skills test, you should:
not use your turn signals.
activate your left turn signal.
apply the brakes as hard as you can without locking the wheels.
decelerate smoothly.
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SD CDL Inspection Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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