Texas Commission on Environmental Quality (TCEQ). Class C Water License Exam

Disable ads (and more) with a membership for a one time $2.99 payment

Prepare for the Texas Commission on Environmental Quality (TCEQ) Class C Water License Exam. Utilize flashcards, multiple choice questions, and in-depth explanations. Equip yourself with the skills to succeed!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.

Why is the mesh size important for a well screen?

To determine the water temperature
To maximize water flow
To reduce the amount of sand pumped
To increase structural integrity

The correct answer is: To reduce the amount of sand pumped

The significance of mesh size for a well screen primarily lies in its role in filtering and preventing the entry of sand and other fine materials from the aquifer into the well. A well screen with an appropriately sized mesh allows for the efficient passage of water while effectively retaining particles that could damage the pump or adversely affect water quality. When the mesh size is too large, excessive amounts of sand and sediment can enter the well, leading to issues such as pump wear, reduced efficiency, and increased maintenance requirements. While other factors like water flow rate and structural integrity of the well screen are important, the mesh size specifically plays a critical role in controlling sediment intrusion, which is why its selection is essential to ensure the longevity and proper operation of the well.