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Iowa CDL Permit Test - Tank

(From the 2019 Iowa CDL driver handbook)
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 possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Iowa Commercial Driver License 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.
After starting the engine as part of a pre-trip inspection, the driver should:
Listen for unusual noises.
Rev the engine.
Deactivate the parking brake.
2.
Texting while driving is especially dangerous because:
It is both a mental and physical distraction.
A message may be upsetting to the driver.
People like to read and may become too engaged in their phones.
3.
Alcohol can be removed from your system:
By exercising.
By drinking coffee.
By waiting.
4.
A person attending a placarded vehicle may be:
In the sleeper berth.
Either awake or asleep inside the vehicle.
Within 100 feet of the vehicle.
5.
The tire load for a tire is stated:
On the side of the tire.
On the inside of the tire.
On the inside of the driver’s door.
6.
When driving at highway speeds, you should watch the road about ____ ahead of your vehicle.
One block
100 yards
A quarter mile
7.
Carrying liquids in a leaking tank:
Is acceptable if it is only for a short distance.
Can cause a hazard.
Is not dangerous if it is raining.
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