On many vehicles, multi-speed rear axles and auxiliary transmissions are used to provide extra gears.

To make a vehicle operate more smoothly

To improve a vehicle's gas mileage

In the event of a vehicle fire, you should leave the road and stop in an open area. Do not pull into a service station as fuels at the service station could catch fire. Report the fire and your location to emergency services.

Park in an area away from buildings, trees, brush, and other vehicles.

Notify emergency services of your problem and your location.

If you are asked to alley dock, you should first pull past the alley and stop your vehicle in a position that is parallel to the outer boundary. From there, you should back your vehicle entirely into the alley parking area. Your vehicle should be parked in a straight position within the boundaries of the parking space.

Stop parallel to the outer boundary of the alley.

Position your vehicle directly in front of the alley.

Back up directly in front of the alley.

Stop parallel to the outer boundary of the alley.

Retarders are mechanisms in some vehicles that help slow a vehicle and reduce the need for braking. However, using a retarder may cause wheels to skid when they have poor traction. Turn off retarders when traveling under wet, snowy, or icy conditions.

When you are carrying a heavy load

When inspecting a vehicle that is equipped with power steering, check the hoses, pumps, and fluid level. In particular, you should look for leaks in the hoses.

For the proper amount of brake fluid.

To ensure that they are connected to the battery.

Hydroplaning occurs on surfaces where water has collected. If there is enough water, vehicles can hydroplane at speeds as low as 30 mph. Hydroplaning becomes more likely if tires are under-inflated or if the tread is worn.

In areas where water collects on the road.

When tires are properly inflated.

When driving at speeds slower than 15 mph.

In areas where water collects on the road.

Bus Driver Testing | Idaho 2025 #2 Page 3 of 3

Train for FREE online with our ID bus CDL test. 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 license in Idaho in 2025, learn how to become a bus driver and then 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 a bus driver may vary from state to state.

Number of Question 20

Passing Score 16

Number of Tests 20

Bus Driver Testing | Idaho 2025 #2 Page 3 of 3

15 . Why are multi-speed axles and auxiliary transmissions used?

16 . If there is a fire in your vehicle, you should not:

17 . When alley docking, you should first:

18 . For safety purposes, when should you turn off a retarder?

19 . If a vehicle is equipped with power steering, the hoses should be checked:

20 . Hydroplaning usually occurs:

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