Which statement accurately describes the properties of vitrified clay pipe?

Vitrified clay pipe is known for its excellent resistance to chemical degradation, making it suitable for various applications, especially in wastewater systems. The vitrification process involves heating the clay materials to a high temperature, which converts them into a glassy, non-porous material. As a result, this type of pipe is not easily affected by corrosive substances commonly found in sewage, such as acids and other chemicals.

This durability allows vitrified clay pipes to maintain their integrity over long periods, making them a preferred choice for the transport of sewage and industrial effluents. Additionally, their impermeable nature prevents the infiltration of groundwater into the sewer system, which is another advantage.

Other choices may highlight characteristics that are not typical of vitrified clay pipe. For instance, while it may be considered manageable in terms of handling compared to heavier materials, it is not particularly known for being lightweight. Cracking can occur under extreme conditions, so stating it is prone to cracking does not accurately reflect its robustness under normal loading. Finally, vitrified clay pipes are generally not associated with low-pressure systems; they are capable of handling gravity-driven flow effectively.