Nevada CDL practice test: 457 free practice questions (Based on the official driver handbook). The official format is not yet verified; check the official site before your test. Sharing the Road: 32 questions. Updated
Pedestrians, cyclists, school buses, emergency vehicles and heavy trucks.
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Only use the side mirrors on the driver’s side of the vehicle.
Use both side mirrors. ✓
Not use a helper.
Answer: B. Use both side mirrors.
When backing a truck, you should use both side mirrors. The handbook tells you to check the outside mirrors on both sides frequently while backing, and it lists using mirrors on both sides as one of its basic backing safety rules. Since you cannot see everything behind the vehicle, watching both mirrors is how you keep track of your path and catch steering errors early. Backing toward the right side is described as very dangerous because you cannot see as well in that direction, which is why the handbook also favors backing toward the driver's side.
3. If a bus stalls on a railroad track, the driver should:
Evacuate the bus and get everyone far away from the tracks. ✓
Keep everyone inside the bus and try to wave the train down to make it stop.
Keep everyone inside the bus and wait for help.
Keep everyone inside the bus and call a tow truck.
Answer: A. Evacuate the bus and get everyone far away from the tracks.
Evacuate the bus and get everyone far away from the tracks. The handbook's rule for a stalled or trapped bus is to clear the tracks right away. It says to get everyone out and off the tracks immediately, then move them well away from the bus at an angle that is away from the tracks and toward the train. That matches evacuating the bus and getting everyone far from the tracks. Staying on or near the bus leaves people in the danger area the rule is meant to clear.
5. What should you do if your vehicle gets stuck on railroad tracks?
Stay in the vehicle.
Get out of the vehicle and call for assistance. ✓
Continue trying to remove the vehicle from the tracks.
Walk down the tracks to look for an oncoming train.
Answer: B. Get out of the vehicle and call for assistance.
Get out of the vehicle, move away from the tracks, and call for help, using 911 or another emergency number. The handbook warns that certain trailers, such as low slung units and a single-axle tractor pulling a long trailer, can get stuck on raised crossings. If you get stuck on the tracks for any reason, the instruction is to leave the vehicle and get clear of the tracks. Then you check the signposts or signal housing at the crossing for emergency notification information and call 911 or another emergency number. When you call, you give the crossing location using any landmarks you can identify, especially the DOT number if it is posted.
6. When encountering a railroad crossing during the driving test, you should:
Pass another vehicle on the tracks if the other vehicle is moving too slowly.
Change lanes while on the tracks.
Not change gears while on the tracks. ✓
Answer: C. Not change gears while on the tracks.
You should not change gears while on the railroad tracks. The handbook's on-road driving section says that while any part of your vehicle is on the tracks, you should not stop, shift gears, or switch lanes. It also says to keep your hands on the steering wheel as you cross. The school-bus section gives the same rule in practice: cross in a low gear and leave the gears alone until you are clear. So the action that matches the handbook is to keep the gear you selected and not change it on the tracks.
7. How far in advance of a school bus stop should a bus's lights be activated?
2 to 4 seconds
5 to 10 seconds ✓
45 seconds
Answer: B. 5 to 10 seconds
Activate the bus's alternating flashing amber warning lights at least 200 feet, or about 5 to 10 seconds, before the school bus stop. The handbook's school bus section says that when approaching a stop, a driver should come in slowly and keep checking mirrors, and if the bus has the equipment, should turn on the alternating flashing amber warning lights at least 200 feet out, which it describes as roughly 5 to 10 seconds before the stop, or as state law requires. That number of seconds is the advance warning the bank answer points to, and it matches the distance the handbook pairs with it.
8. Trailers with low underneath clearance can present challenges when driving over:
Bridges.
Railroad tracks. ✓
Overpasses.
Answer: B. Railroad tracks.
Trailers with low underneath clearance can get hung up on railroad tracks, so railroad tracks are the hazard named in the question. The handbook warns that railroad tracks can cause problems, especially for a trailer with low underneath clearance, and says not to risk getting stuck halfway across. That directly points to railroad tracks as the place where low clearance matters. The passages do not identify bridges or overpasses as the low-clearance trailer problem.
School bus stops may be changed by the school district. The handbook says each school district sets the official routes and official bus stops, and that stops should be approved by the district before they are made. It also says a driver should never move a stop without written approval from the appropriate school district official. That puts the authority with the district, not with the driver, the parents, or the students riding the bus.
10. ____ are the cause of more than half of all accident-related truck driver deaths.
Truck rollovers ✓
Motorcycles
Slippery roads
Pedestrians
Answer: A. Truck rollovers
Truck rollovers are the cause of more than half of all accident-related truck driver deaths. The combination-vehicle section says outright that over half of truck driver deaths in crashes come from truck rollovers. It explains that a high center of gravity makes a truck easier to turn over, and that fully loaded rigs are far more likely to roll over than empty ones. It also says rollovers happen when you turn too fast, and it advises keeping cargo low and centered and driving slowly around corners, ramps, and off ramps. That direct statement supports choosing truck rollovers.