You should be cautious when you are near people who are not paying attention to the road. Drivers and pedestrians who are talking to someone may be distracted by the conversation and not fully paying attention to the road. Workers on or near the road may not be paying attention to traffic because they are focused on their work, and can themselves also be a distraction to drivers.

A person sitting on a bench waiting for a bus

A driver talking to a passenger in their vehicle

A person sitting on a bench waiting for a bus

A construction worker on the side of the road

Hydroplaning is an effect in which a vehicle's tires lose traction with the surface of the road and instead glide along a layer of water. There does not have to be much water on the road for this to occur.

A good amount, such as a large puddle

Avoid being an aggressive driver by being realistic about your travel time, making allowance for delays, maintaining reasonable following distances, and not making hand gestures that could anger another driver.

Make hand gestures that could anger other drivers.

Slow down and maintain a reasonable following distance.

Make hand gestures that could anger other drivers.

When checking the tires as part of a pre-trip inspection, make sure the tires have sufficient tread. There should be at least 4/32 of an inch of tread in every major groove of the front tires, and at least 2/32 of an inch of tread depth on the other tires. Tire sizes should not be mismatched.

Tires manufactured by different makers

Tread of 3/32 of an inch in the grooves of the front tires

Tires manufactured by different makers

Tank Endorsement Test | Idaho 2024 #1 Page 3 of 3

Train for FREE with our Idaho tank endorsement practice test online. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a ID tank license in 2024, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements for issuing a CDL tank vehicle endorsement may vary from state to state.

Number of Question 20

Passing Score 16

Number of Tests 20

Tank Endorsement Test | Idaho 2024 #1 Page 3 of 3

15 . Which of the following is not an example of a distracted person who should concern motorists?

16 . How much water must be present for a vehicle to hydroplane?

17 . When loading compressed gas, the liquid discharge valves should be:

18 . When driving a tank with liquid cargo, a surge:

19 . You may be an aggressive driver if you:

20 . Which of the following is acceptable if found during a pre-trip inspection?

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