A General CDL Examination Practice Test!

Clearance lamps are used to make a vehicle more visible to other drivers, especially in low light conditions. The color of clearance lamps on the front of a vehicle must be amber. This is because amber is a color that is easily distinguishable from other colors on the road, such as red or white. Amber clearance lamps help to alert other drivers to the presence of the vehicle and improve overall safety on the road.

When backing a large truck, it is important to have someone guide you. This is because large trucks have blind spots and limited visibility, making it difficult for the driver to see obstacles or pedestrians behind them. Having someone guide you can provide an extra set of eyes and help you navigate safely while backing up.

Turn signal indicators became a mandatory requirement on all motor vehicles manufactured after the model year 1959. This means that any vehicle produced after this year must be equipped with turn signal indicators to ensure safe and efficient signaling of intended maneuvers on the road.

When turning right with a long vehicle or combination truck trailer, if it is impossible to stay on the proper lane, the recommended approach is to approach the corner about 4 ft from the curb or right edge of the roadway. Then, if necessary, complete the turn in the center of the street entered. This allows for a wider turning radius and reduces the risk of the vehicle hitting curbs or other obstructions while making the turn.

Registration papers are required to be in the possession of the driver or on the vehicle when operating all trucks. This means that when driving a truck, the driver must either have the registration papers with them or have them physically present in the vehicle. This is important for identification and verification purposes, ensuring that the truck is legally registered and can be traced back to its owner if needed.

The load on a truck may not extend over the rear of the vehicle more than four feet. This restriction is in place to ensure the safety and stability of the truck while it is in motion. If the load extends too far over the rear, it can create an imbalance and increase the risk of accidents or damage to the vehicle. By limiting the overhang to four feet, it helps to maintain the truck's maneuverability and prevent potential hazards on the road.

State laws typically set limits on the maximum height allowed for vehicles, including their load. The correct answer is 14 feet, indicating that this is the greatest height ordinarily allowed by state law.

Pole trailers are not required to have mud flaps because they are not considered motor vehicles and are exempt from certain regulations. Mud flaps are typically required on vehicles to prevent mud, water, and other debris from being thrown onto other vehicles on the road. However, pole trailers are specifically designed for carrying long objects such as poles or pipes and do not have the same risk of throwing debris. Therefore, they are exempt from the mud flap requirement.

Trailers or semitrailers that have a width of 80 inches or more are required to be equipped with clearance lamps, side marker lamps, and side reflectors. These lighting and reflecting devices are necessary to ensure the visibility and safety of the trailer on the road, especially during low light conditions or at night. By having these lamps and reflectors, other drivers can easily see the trailer and be aware of its presence, reducing the risk of accidents and collisions.

Every trailer must have two reflectors on the rear. Reflectors are important safety devices that help increase visibility of the trailer, especially in low light conditions or at night. Having two reflectors ensures that the trailer is visible from multiple angles, enhancing safety for both the trailer and other vehicles on the road.

When one truck is following another truck or vehicle, it may keep far enough back to allow one vehicle to enter safely between them. This means that there should be enough space for one other vehicle to merge in between the two trucks without causing any safety issues or disruptions in traffic flow.

The maximum length for a combination of vehicles is 65 feet. This means that any combination of vehicles, other than a truck tractor-trailer combination, cannot exceed this length.

In most states, the greatest width ordinarily allowed for a truck, including its load, is 102 inches or 8 1/2 feet. This means that the truck, along with anything it is carrying, cannot exceed this width limit.

The correct answer is 24 INCHES. This is because mounted reflectors need to be positioned at a sufficient height from the ground in order to effectively reflect light. A height of 24 inches ensures that the reflectors are visible to drivers and can effectively guide them, especially in low-light conditions or at night.

The correct answer is 45 FEET. This is the greatest length allowed by state law for a single motor vehicle other than a truck tractor.

To haul a load or move equipment that is wider, heavier, or longer than the law permits, you must obtain a permit from the highway department. This is because oversized loads can pose a risk to other drivers and infrastructure, so it is necessary to obtain a permit to ensure that the transportation is done safely and with minimal disruption to traffic. The highway department is responsible for regulating and overseeing the transportation of oversized loads, and they issue permits that outline specific conditions and requirements for moving such loads.

Trailers and semitrailers must ordinarily have brakes that can be applied by the driver when the gross weight exceeds 4,500 pounds. This means that if the weight of the trailer or semitrailer, including the load, is more than 4,500 pounds, the driver should be able to activate the brakes. This is important for safety reasons, as it helps ensure that the vehicle can be effectively controlled and stopped when necessary, especially when carrying heavier loads.

Coasting refers to the practice of allowing a vehicle to roll downhill without using the engine to slow down. It is unlawful to coast in a commercial vehicle while going downhill because it can lead to a loss of control over the vehicle, especially when carrying heavy loads. Coasting can increase the risk of accidents, as the driver may not be able to respond quickly to unexpected situations. Therefore, it is important to use the appropriate lower gear and engine braking techniques to maintain control and ensure the safety of the vehicle and its occupants.

Vehicles hauling passengers for hire or lease, such as school buses, public buses, and taxis, are required to carry a fire extinguisher. The fire extinguisher must have a capacity of at least one quart. This ensures that there is an adequate amount of fire suppressant available in case of an emergency. A one pint capacity would not be sufficient, as it may not be able to effectively extinguish a fire. A two quart or one gallon capacity would exceed the minimum requirement and provide even greater fire suppression capabilities, but they are not necessary according to the given information.

A slow-moving vehicle emblem must be displayed only by vehicles designated to be operated at speeds of 25 mph or less because it is meant to alert other drivers of the slow speed of the vehicle. This helps to ensure the safety of both the slow-moving vehicle and other vehicles on the road by giving them advance warning to adjust their speed accordingly.

The correct answer is 24 INCHES. This height requirement ensures that the reflectors are positioned high enough from the ground to effectively reflect light and be visible to drivers. A higher placement helps to maximize visibility and ensure that the reflectors can be easily seen, especially at night or in low light conditions.

When a load extends more than four feet over the rear of a vehicle, a red flag must be attached to the extreme end of the extension if driving in the daytime. This is because red is a universally recognized color for warning and indicating potential danger or obstruction. It helps to alert other drivers and pedestrians of the extended load, promoting safety on the road.

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Vehicles transporting loose materials that are capable of spilling or blowing must always have the load covered to prevent any spillage or blowing. This is important to ensure the safety of other drivers on the road and to prevent any damage or accidents caused by loose materials falling off the vehicle. Meeting loading and/or covering regulations is necessary to comply with the law and prevent any potential hazards.

Mud flaps on trucks or trailers are required to reach a minimum of 8 inches close to the surface of the highway. This is to ensure that the mud flaps effectively prevent mud, water, or other debris from being thrown onto other vehicles or pedestrians on the road. By having the mud flaps at this distance, it helps to maintain road safety and prevent any potential accidents or damage caused by flying debris.

According to the given question, the correct answer is "ONE TRAILER". This means that a passenger vehicle is only allowed to be coupled to one trailer at a time.

After the model year 1959, every bus or truck must be equipped with two stoplights on the rear. This is important for ensuring safety on the road, as stoplights signal to other drivers that the vehicle is slowing down or coming to a stop. Having two stoplights instead of one increases visibility and makes it easier for other drivers to anticipate the actions of the bus or truck.

When a driver of a disabled truck or bus encounters a breakdown, the first thing they should do is set out flares, reflectors, or flags. This is important to alert other drivers on the road about the disabled vehicle and to ensure their safety. By setting out these warning signals, it helps to prevent accidents and allows other drivers to take necessary precautions while passing by. This action is crucial before attempting to get the vehicle started, flagging down a vehicle for towing, or going for help.

To operate a motor vehicle or trailer with metal tires weighing 5,000 lbs or more on the highway, you must obtain a special permit from the Highway Department. This indicates that there are specific regulations and requirements in place for operating such vehicles, and a permit is necessary to ensure compliance with these regulations. The other options, such as driving in the daytime only, getting a highway patrol escort, or driving less than 20 mph, do not address the specific requirement of obtaining a special permit.

A motor bus must stop at all railroad crossings outside a business or residential district because it is considered a commercial vehicle carrying passengers. Commercial vehicles are required to stop at all railroad crossings to ensure the safety of the passengers and other vehicles on the road.

The maximum number of trailers that may be towed by one vehicle is two. This means that a vehicle is legally allowed to tow a maximum of two trailers at a time. Towing more than two trailers can be dangerous and may exceed the vehicle's towing capacity, potentially leading to accidents or damage to the vehicle. Therefore, it is important to adhere to the maximum limit of two trailers to ensure safety on the road.

When a vehicle is towing another, it is important to maintain a safe distance between the two vehicles. This distance should not be greater than 15 feet. This is necessary to ensure that the towed vehicle remains under control and does not collide with the towing vehicle. A distance greater than 15 feet can increase the risk of accidents and make it difficult for the driver to maneuver both vehicles safely.

The correct answer is TAX COLLECTOR AND ASSESSOR. To find out the details about registering your particular vehicles, you should consult the tax collector and assessor. They are responsible for collecting taxes and assessing the value of properties, including vehicles. They would have the necessary information and procedures for vehicle registration in their jurisdiction.

Registration papers on trucks are required to show the weight of the truck when it is empty and the maximum weight it is registered to haul. This information is important for ensuring that trucks are not overloaded, which can be dangerous and cause damage to roads and bridges. It also helps authorities enforce weight restrictions and regulations for trucks on the road. Additionally, registration papers may include other information such as ownership of the truck and the counties in which it is allowed to operate.

Buses carrying passengers for hire are required by state law to stop at grade crossings outside the city limits where no traffic control device is in operation. This is because these buses are responsible for the safety of their passengers and must ensure that they can safely cross the railroad tracks. Stopping at grade crossings allows the bus driver to assess the situation and ensure that it is safe to proceed. This requirement helps to prevent accidents and ensure the safety of both the bus passengers and other vehicles on the road.

The correct answer is "HAVING TWO HEADLAMPS" because the statement mentions that every farm tractor manufactured after Jan 1, 1972 complies with state lighting laws. Having two headlamps is a requirement of these laws, ensuring that the tractor has proper lighting for visibility and safety purposes. The other options mentioned in the question (traveling on the shoulder of the road, having one white lantern that shows to both the front and rear, stopping on approach of another vehicle) are not related to the lighting requirements for farm tractors.

When towing another vehicle with a chain or cable, a white flag must be attached to the chain or cable. This is to ensure that the towing vehicle and the towed vehicle are easily visible to other drivers on the road. The white flag serves as a warning signal, indicating that there is a towing operation taking place.

The correct answer is "HAVING A SIGN ON EACH SIDE SHOWING FOR WHOM THE VEHICLE IS BEING OPERATED". This is because all rented or leased commercial vehicles must have a sign on each side showing for whom the vehicle is being operated, unless exempted by law. This requirement helps to identify the owner or operator of the vehicle and ensure accountability. It also helps in case of any accidents or incidents involving the vehicle, as it provides clear information about the responsible party.

A taxicab is required by state law to carry a chemical type fire extinguisher. This is because taxicabs are considered commercial vehicles and are often used to transport passengers. Since there is a higher risk of fire incidents when transporting passengers, it is mandated by state law for taxicabs to have a fire extinguisher on board to ensure the safety of both the driver and passengers.

Clearance lights are required by state law for trucks or buses if the width is 80 inches or more. These lights are used to indicate the width of the vehicle to other drivers on the road, ensuring safety and preventing accidents. By having clearance lights, larger vehicles can be easily seen and maneuvered around by other motorists, reducing the risk of collisions and improving overall road safety.

When a truck breaks down on the highway in the daytime, the driver should set out three red reflectors. Red reflectors are commonly used to indicate a hazard or obstruction on the road, and they are highly visible during the daytime. By placing three red reflectors, the driver can effectively warn other drivers of the truck's presence and prevent accidents or collisions.

The correct answer is "ALL VEHICLES WITH FOUR OR MORE TIRES ON THE REAR AXLE EXCEPT SINGLE TRUCK TRACTORS AND POLE TRAILERS". This means that any vehicle that has four or more tires on the rear axle, except for single truck tractors and pole trailers, must have mud flaps when operated on public roads. Mud flaps are required to prevent mud, water, and other debris from being thrown onto other vehicles or pedestrians, ensuring road safety and preventing damage to other vehicles.

It is unlawful to operate any motor vehicle on a highway with flanges or lugs on the wheels. Flanges or lugs can cause damage to the road surface and increase the risk of accidents. These protrusions can also cause instability and affect the vehicle's handling, leading to potential dangers for the driver and other road users. Therefore, it is important to ensure that vehicles do not have flanges or lugs on their wheels when operating on highways.

Lease agreements, when required, must be filled with the County Clerk. The County Clerk is responsible for maintaining records and documents related to property transactions within the county. Filing lease agreements with the County Clerk ensures that there is an official record of the agreement, providing legal protection and documentation for both parties involved in the lease.

Clearance lamps mounted on the rear or on the side near the rear of the vehicle must be red. This is because red is the standard color used for rear-facing lights on vehicles. Red lights indicate the rear position of the vehicle and help other drivers to see it clearly, especially in low visibility conditions. Using any other color, such as amber, white, or green, for these clearance lamps would not meet the standard safety requirements and could lead to confusion on the road.