Class B Driving Test | Iowa 2024 #1 Page 6 of 7
Train for FREE online with our Iowa class B license 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 IA CDL class B permit 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 CDL class B requirements may vary from state to state.
36 . How many daily hours of sleep does an adult need to maintain alertness?
Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.
37 . If unable to tell if the road is becoming icy and slippery, a driver:
If you think the road surface may be becoming icy but you are not certain, you can open your window and feel the front of the side mirror, mirror support, or antenna. If ice has formed on any of these items, the road is likely becoming icy as well.
38 . Off-ramps:
On- and off-ramps can be dangerous when driving a truck. Remember that posted speed limits for ramps may be safe for cars but too fast for trucks.
39 . Interstate carriers must have what information affixed to the commercial motor vehicles in their fleet?
Federal Motor Carrier Safety Regulations (FMCSR) require carriers to affix the legal name or single trade name to each CMV in their fleet.
40 . When using a mirror, you should:
When making mirror checks, you should look at the mirrors fairly quickly. If you spend too much time looking in a mirror, you may travel a substantial distance down the road without seeing what is coming up ahead.
41 . An after-trip inspection should be done:
You should always complete an after-trip inspection of your vehicle at the end of a trip, day, or tour of duty. Complete a vehicle inspection report, if required.
42 . Hanging meat as cargo is usually:
A cargo of hanging meat can be very unstable, both because the meat swings about in transit and because its center of gravity is high.
See the exact questions that will be on the 2024 Iowa DMV exam.
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