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Oregon CDL Permit Test - Tank

Number of questions: 20
Passing score: 16
Directions: This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or chassis. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. Each question has three or four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Oregon Commercial Driver Manual. Questions come from chapters covering: Driving Safely, Tank Vehicles, Hazardous Materials and Combination Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.
You have made error so far
Passing grade —
4 or fewer errors
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1.
To make your vehicle more visible during the day, you should:
Use your low beam headlights.
Use your high beam headlights.
Use your clearance lights.
2.
What can happen if one-fourth of the leaves in a leaf spring are missing when a vehicle is inspected?
The vehicle’s driver will be allowed to drive, but only at reduced speeds.
The vehicle will be put out-of-service until it is fixed.
The vehicle will be fine to drive since most of the spring is in place.
The driver will be asked to decrease the weight of the load.
3.
If confronted by an aggressive driver, you should:
Try to get out of their way.
Avoid making eye contact.
Ignore their hand gestures.
All of the above.
4.
Carrying gases or liquids in a leaking tank is:
Not encouraged.
Acceptable on shorter trips.
Illegal.
Acceptable if using rural roads.
5.
Hydroplaning:
Rarely occurs with large trucks.
Usually happens when vehicles are traveling faster than 65 mph.
Can occur with a minimal amount of water on the roadway.
6.
You will often have to drive your vehicle under bridges and overpasses. If approaching such an opening, you should:
Assume the posted clearance height is accurate.
Assume the posted clearance height is inaccurate.
Measure the height of the opening before proceeding.
7.
If you must drive very slowly, you should:
Warn other motorists.
Drive on the shoulder.
Stay in the left lane.
Sound your horn.
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