2026 Iowa DMV Knowledge Test Class A Test 2 (50 Questions And Complete Answers)
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An application pressure gauge shows:
1. How much air pressure is being applied to the brakes.
2. How much air pressure is available.
3. How much air pressure is required to stop a vehicle.
1. How much air pressure is being applied to the brakes.
2. How much air pressure is available.
3. How much air pressure is required to stop a vehicle.
How much air pressure is being applied to the brakes.
Skids caused by over-acceleration can usually be resolved by:
1. Removing your foot from the accelerator.
2. Braking.
3. Swerving to the right.
1. Removing your foot from the accelerator.
2. Braking.
3. Swerving to the right.
Removing your foot from the accelerator.
The only way to sober up after consuming alcohol is to:
1. Take a cold shower.
2. Exercise.
3. Wait.
1. Take a cold shower.
2. Exercise.
3. Wait.
Wait.
When driving at night, you should do all of the following, except:
1. Make sure you are rested.
2. Make sure your glasses are clean.
3. Wear sunglasses.
1. Make sure you are rested.
2. Make sure your glasses are clean.
3. Wear sunglasses.
Wear sunglasses.
During a pre-trip inspection, belts should be:
1. Loosened.
2. Checked for tightness.
3. Scrubbed clean.
4. Left alone and not inspected.
1. Loosened.
2. Checked for tightness.
3. Scrubbed clean.
4. Left alone and not inspected.
Checked for tightness.
In cool weather, as the temperature begins to rise and ice begins to melt:
1. It is usually safe to drive.
2. The road will become even more slippery.
3. Traction will increase.
1. It is usually safe to drive.
2. The road will become even more slippery.
3. Traction will increase.
The road will become even more slippery.
You must have an air brake endorsement:
1. To use a vehicle with air brakes.
2. To drive any truck with a trailer.
3. To transport hazardous materials.
1. To use a vehicle with air brakes.
2. To drive any truck with a trailer.
3. To transport hazardous materials.
To use a vehicle with air brakes.
Dry bulk tanks:
1. Cannot be driven on interstates.
2. Take special care to be driven.
3. Are usually not allowed to cross railroad tracks.
1. Cannot be driven on interstates.
2. Take special care to be driven.
3. Are usually not allowed to cross railroad tracks.
Take special care to be driven.
Aggressive driving is:
1. Operating a vehicle in a selfish or pushy manner.
2. Operating a vehicle with a strong regard for other motorists’ safety.
3. Operating a vehicle in the left lane.
1. Operating a vehicle in a selfish or pushy manner.
2. Operating a vehicle with a strong regard for other motorists’ safety.
3. Operating a vehicle in the left lane.
Operating a vehicle in a selfish or pushy manner.
Cargo with a high center of gravity:
1. Can make a vehicle likely to tip over.
2. Is encouraged in inclement weather.
3. Is required on some roads.
1. Can make a vehicle likely to tip over.
2. Is encouraged in inclement weather.
3. Is required on some roads.
Can make a vehicle likely to tip over.
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