Which of the following statements about tank vehicles is true?

The statement that special skills are required to haul liquid tanks is accurate because driving tank vehicles involves unique challenges that differ from operating standard vehicles. Tank vehicles carry liquids that can shift within the tank during transit, which can affect vehicle stability and handling. The movement of the liquid can create a phenomenon known as "slosh," making it crucial for drivers to understand how to control their vehicle when it is full or partially filled with liquid.

Drivers must be trained to anticipate these movements and adjust their driving techniques accordingly, ensuring they navigate corners, stop, and start in a manner that minimizes the risk of rollover or loss of control. Additionally, they need to be aware of the potential for liquid to surge within the tank, requiring them to be proficient in managing this dynamic while driving.

Understanding the implications of the vehicle's unique design and the nature of the liquid cargo is essential for safety. This knowledge goes beyond standard driving skills, thereby reinforcing the necessity for special training and skills when operating tank vehicles.