2026 Iowa DMV Knowledge Test Class A Test 1 (50 Questions And Complete Answers)
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t1. When loading cargo, it is important to:
1. Stack items as high as possible.
2. Place light items underneath heavier items.
3. Know the weight capacity rating of the suspension system.
1. Stack items as high as possible.
2. Place light items underneath heavier items.
3. Know the weight capacity rating of the suspension system.
Know the weight capacity rating of the suspension system.
Most heavy vehicles use the ____ method when changing gears.
1. Double clutching
2. Double shifting
3. Triple clutching
1. Double clutching
2. Double shifting
3. Triple clutching
Double clutching
A truck should be parked:
1. So that it must be backed up to leave the space.
2. So that it can be pulled forward to leave the space.
3. On the grass.
1. So that it must be backed up to leave the space.
2. So that it can be pulled forward to leave the space.
3. On the grass.
So that it can be pulled forward to leave the space.
If you’re not sure what to do to extinguish a fire in your vehicle, you should:
1. Use water.
2. Stay inside the vehicle.
3. Wait for the firefighters.
1. Use water.
2. Stay inside the vehicle.
3. Wait for the firefighters.
Wait for the firefighters.
The leakage rate for a single vehicle with air brakes should be no more than ____ in one minute during a static leakage test.
1. 1 psi
2. 2 psi
3. 3 psi
1. 1 psi
2. 2 psi
3. 3 psi
2 psi
Causing a fatality through negligent operation of a CMV will result in the loss of your CDL for a minimum of:
1. One month.
2. Six months.
3. One year.
4. Three weeks.
1. One month.
2. Six months.
3. One year.
4. Three weeks.
One year.
An Individual Vehicle Distance Record (IVDR) does not need to include which of the following?
1. The dates of a trip
2. The total distance traveled
3. The number of vehicles passed
1. The dates of a trip
2. The total distance traveled
3. The number of vehicles passed
The number of vehicles passed
Air tank drains should:
1. Not be used by the driver.
2. Only be used when it is wet outside.
3. Be used to drain the tanks completely.
1. Not be used by the driver.
2. Only be used when it is wet outside.
3. Be used to drain the tanks completely.
Be used to drain the tanks completely.
____ are the most likely to be affected by strong winds.
1. Light vehicles
2. Heavy vehicles
3. Vehicles with open windows
1. Light vehicles
2. Heavy vehicles
3. Vehicles with open windows
Light vehicles
When should you slow for a curve?
1. Before entering the curve
2. While in the curve
3. After the curve
1. Before entering the curve
2. While in the curve
3. After the curve
Before entering the curve
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