Iowa Permit Test (Iowa DOT Knowledge Test) — All Questions
4 questions
When following another vehicle in good conditions, a safe following distance is at least:
- a.As close as possible to save fuel
- b.One second
- c.Half a car length
- d.Three to four seconds✓
Use a three-to-four-second following gap in good conditions, and more when the road is wet, icy, or visibility is poor. (Iowa Driver's Manual, following distance)
When sharing the road with a motorcycle, you should:
- a.Give it a full lane width and extra following room✓
- b.Share the lane beside it
- c.Follow more closely because it is small
- d.Pass closely to move ahead quickly
Motorcycles are entitled to a full lane; never share it, and allow extra following distance because bikes can stop quickly. (Iowa Driver's Manual)
Large trucks have big blind spots ('No-Zones'). To stay safe you should:
- a.Assume the driver can always see you
- b.Drive directly behind the trailer
- c.Avoid lingering alongside and pass promptly on the left✓
- d.Stay beside the truck's rear wheels
Trucks have wide blind spots on all sides; if you cannot see the driver's mirrors, they cannot see you, so do not linger beside them and pass on the left. (Iowa Driver's Manual, sharing the road with trucks)
When you meet a stopped school bus with its red lights flashing on an undivided two-way road, you must:
- a.Pass slowly on the left
- b.Stop in both directions until the lights stop flashing✓
- c.Sound your horn and pass
- d.Continue if no children are visible
On an undivided road, traffic in both directions must stop for a school bus with flashing red lights and remain stopped until the lights go off. (Iowa Driver's Manual, school buses)