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Safe Driving Free CDL Practice Tests
Page 2

Prepare For The Safe Driving Portion Of Your CDL Written Exams

Safe Driving Questions

Click On The Picture To Begin

Good Luck!

When checking the general condition of the vehicle, which of the following should be specifically addressed?
  • Check for hazards around the vehicle
  • Check for damage or unusual leaning
  • All of these things should be included in the inspection
  • Check under the vehicle for leaks
Click here to look up the answer

From The CDL Manual

Approaching the vehicle: Notice its general condition. Look for damage or vehicle leaning to one side. Look under the vehicle for fresh oil, coolant, grease or fuel leaks. Check the area around the vehicle for hazards to vehicle movement (people, other vehicles, objects, low hanging wires, limbs, etc.).

Next
All of the following should be part of the engine compartment check except:
  • Check engine oil temperature
  • Check belts and hoses for wear and tightness
  • Check engine oil level
  • Check coolant level
Click here to look up the answer

From The CDL Manual

STEP 2: Check Engine Compartment

Check the following:

  • Engine oil level
  • Coolant level in radiator; condition of hoses
  • Power steering fluid level; hose condition (if equipped)
  • Windshield washer fluid level
  • Battery fluid level, connections and tiedowns (battery may be located elsewhere)
  • Automatic transmission fluid level (may require engine to be running)
  • Check belts for tightness and excessive wear (alternator, water pump, air compressor)—learn how much “give” the belts should have when adjusted right, and check each one.
  • Leaks in the engine compartment (fuel, coolant, oil, power steering fluid, hydraulic fluid, battery fluid).
  • Cracked, worn electrical wiring insulation.
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Next
In order to perform the in-cab and gauge inspection, which of the following must be done?
  • All of these things should happen before in-cab inspection begins
  • Put gearshift in neutral (or Park if automatic).
  • Start engine; listen for unusual noises.
  • Make sure parking brake is on.
Click here to look up the answer

From The CDL Manual

Get in and start engine:

Make sure parking brake is on.

Put gearshift in neutral (or Park if automatic).

Start engine; listen for unusual noises.

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Next
The condition of all in-cab controls should be checked for:
  • Improper setting
  • All of these things should be checked during inspection
  • Looseness or sticking
  • Damage
Click here to look up the answer

From The CDL Manual

Check condition of controls: Check the following controls for looseness, sticking, damage or improper setting

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Next
How many reflective triangles are required to be kept as part of a trucks emergency equipment?
  • As many as possible
  • 3
  • 4
  • 2
Click here to look up the answer

From The CDL Manual

Check for safety equipment:

Spare electrical fuses (unless vehicle has circuit breakers)

Three red reflective triangles

Properly charged and rated fire extinguisher

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Next
The object of the pre-trip inspection is:
  • To show off your inspection abilities
  • To show that you know whether your truck is safe to drive
  • To make the truck go faster
  • Impress your examiner
Click here to look up the answer

From The CDL Manual

CDL Pre-Trip Inspection Test

To obtain a CDL you must pass a pre-trip vehicle inspection test. You will be tested to see if you know whether your vehicle is safe to drive.

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Next
Oil, coolant, charging circuit warning lights should go out:
  • Within 1 minute
  • They shouldn't go on at all
  • Right away
  • Within 30 seconds
Click here to look up the answer

From The CDL Manual

Warning lights and buzzers

Oil, coolant, charging circuit warning lights should go out right away.

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Next
How long should it take oil pressure to come up to normal?
  • 30 seconds
  • 1 minute
  • 45 seconds
  • Within seconds
Click here to look up the answer

From The CDL Manual

Oil pressure

Should come up to normal within seconds after engine is started.

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Next
Drivers must inspect the securement of cargo every 150 miles or:
  • The DOT will inspect their truck
  • Every 3 hours
  • Every hour
  • They will be fired
Click here to look up the answer

From The CDL Manual

Drivers of trucks and truck tractors when transporting cargo must inspect the securement of the cargo within the first 25 miles of a trip and every 150 miles or every three hours (whichever comes first) afterward.

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To test for leaks on hydraulic brake systems:
  • Pump pedal 3 times, then get out and look under the truck
  • Cover the line in soap and watch for bubbles to form
  • Pump pedal 3 times, then apply firm pressure and hold
  • Accelerate to 20mph, then pump brakes furiously
Click here to look up the answer

From The CDL Manual

If the vehicle has hydraulic brakes, pump the brake pedal three times. Then apply firm pressure to the pedal and hold for five seconds. The pedal should not move. If it does, there may be a leak or other problem. Get it fixed before driving.

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