Tanker Driving Smooth Quiz

Side-to-side surge can cause rollover. When a vehicle experiences a sudden lateral movement or swaying motion, known as side-to-side surge, it can lead to loss of control and result in a rollover. This can happen when a vehicle is traveling at high speeds, encounters strong crosswinds, or makes sudden sharp turns. The lateral forces exerted on the vehicle can cause it to tip over, leading to a potentially dangerous situation. Therefore, it is important for drivers to be cautious and maintain control of their vehicle to prevent rollovers caused by side-to-side surge.

When loading the small tanks of a cargo tank equipped with bulkheads, it is important to check the weight distribution. This is because an uneven distribution of weight can affect the stability and handling of the cargo tank, leading to potential safety hazards. By ensuring that the weight is properly distributed, the cargo tank can maintain balance and stability during transportation.

Hauling liquids in tankers requires special care for two reasons. One reason is the high center of gravity. Liquids can shift during transportation, causing the center of gravity to become unstable. A high center of gravity increases the risk of the tanker tipping over, leading to potential accidents and spills. Therefore, special precautions and techniques are necessary to ensure the safe transportation of liquids in tankers.

It is important to know the outage needed for the liquids you carry because some liquids expand more than others when they get warm. This means that if you do not leave enough space for expansion, the liquid may overflow or cause the tank to rupture, leading to potential accidents or damage. By understanding the specific characteristics of the liquids and their expansion rates, you can ensure proper safety measures are taken during transportation and unloading.

The driver of a tanker that has lost its brakes should always use a truck escape ramp. This is because the escape ramp provides a safe area for the tanker to come to a stop and prevent a potential disaster. Regardless of whether the tank is empty or has baffles, using the escape ramp is the best course of action to avoid further damage or harm.

When driving at night, it is important to dim your headlights from high to low to avoid blinding other drivers. Adjusting your speed so that you can stop within the distance you can see ahead is crucial for maintaining a safe driving distance. This allows you to react in time to any obstacles or hazards that may come into your field of vision. By adjusting your speed accordingly, you can ensure that you have enough time and space to stop safely.

The correct answer is "All of the above." This means that the amount of liquid to load into a tank depends on all of the mentioned factors: the amount the liquid will expand in transit, the weight of the liquid, and the legal weight limits. These factors are important to consider in order to ensure that the tank is loaded with the appropriate amount of liquid, taking into account its expansion, weight, and legal requirements.

Using controlled or stab braking is the correct answer because in an emergency situation, it is important to stop the tanker quickly but also maintain control of the vehicle. Controlled or stab braking involves applying firm and steady pressure to the brake pedal, allowing the vehicle to slow down gradually while still maintaining steering control. This technique helps to prevent the wheels from locking up and skidding, which could lead to a loss of control and a potential crash.

When driving smooth bore tanks, it is important to be extremely cautious, especially when starting or stopping. This is because smooth bore tanks have a high center of gravity, which makes them more prone to tipping over during these maneuvers. Therefore, extra care should be taken to ensure stability and prevent accidents.

When the front wheels of a tank truck begin to skid, it means that the tires have lost traction with the road surface. In this situation, the truck will continue moving forward in a straight line regardless of the steering input. This is because the skidding wheels cannot effectively respond to the steering control, causing the truck to lose its ability to change direction. Therefore, no matter how much the driver steers, the tank truck will keep moving straight until the tires regain traction.

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If an on-coming vehicle drifts onto your lane, the correct action to take is to move to your right. This is because moving to the right creates more space between your vehicle and the oncoming vehicle, reducing the risk of a collision. It is important to avoid turning towards the oncoming vehicle or trying to stop abruptly, as these actions can increase the chances of an accident. Steering by holding the wheel with one hand is not recommended, as it reduces control and stability of the vehicle.

All of the above causes vehicle skids. Over acceleration, over steering, and over braking can all lead to loss of control and skidding. Over acceleration can cause the tires to lose traction and slide. Over steering, or turning the steering wheel too sharply, can cause the vehicle to spin out. Over braking, or braking too hard, can cause the wheels to lock up and slide. Therefore, all of these factors can contribute to skids while driving.

Empty trucks require greater stopping distances than full ones. This is because when a truck is empty, there is less weight pressing down on the tires, resulting in less traction. With less traction, the tires have a harder time gripping the road, making it more difficult for the truck to stop quickly. In contrast, a full truck has more weight on the tires, providing better traction and allowing for shorter stopping distances.

Baffles in liquid cargo tanks are designed to control the movement of the liquid cargo, particularly during transportation. They are usually installed in a side-to-side configuration to prevent surge, which is the sudden and uncontrolled movement of the liquid cargo from one side of the tank to the other. By restricting the side-to-side movement, the baffles help maintain stability and prevent the cargo from sloshing around, minimizing the risk of accidents or damage to the tank.

Liquid surge refers to the movement of liquid inside a tanker while it is in motion. This movement can cause the truck to shift in the direction of the liquid waves, making it more difficult to handle. As the liquid sloshes around, it creates an imbalance and can lead to instability, especially during turns or sudden maneuvers. Therefore, the correct answer states that liquid surge can move the truck in the direction of the liquid waves more, impacting the handling of the tanker.

In a traffic emergency situation where you need to escape to the shoulder or roadside, it is recommended to coast down to 20mph before using your brakes. Coasting down helps to maintain control of the vehicle and reduce the risk of skidding or losing control when applying the brakes. By gradually reducing the speed before braking, you give yourself more time to react and adjust to the situation, ensuring a safer escape from the traffic emergency.

Baffles in a tank help to reduce the front-to-back surge, which refers to the movement of the liquid inside the tank from the front to the back. The baffles act as barriers or partitions within the tank, preventing the liquid from sloshing back and forth. This reduces the instability and improves the handling of the tank, making it more stable during transportation or movement.

When driving a tanker and needing to steer quickly to avoid a hazard, applying the brakes while turning can cause the vehicle to skid or lose control. This is because the weight distribution of a tanker is different from most vehicles, with a higher center of gravity and a greater chance of rollover. Therefore, it is important to avoid braking while turning in order to maintain stability and control of the tanker.

Wet roads can double stopping distance at any speed. This means that when driving on wet roads, it will take twice as long to come to a complete stop compared to driving on dry roads, regardless of the speed. This emphasizes the importance of adjusting driving behavior and maintaining a safe distance from other vehicles in wet conditions to ensure proper stopping distance is maintained.