Canadian Council of Independent Laboratories (CCIL) Practice Exam 2025 – All-in-One Comprehensive Guide to Exam Success!

The acceptable temperature range for a water tank is critical for ensuring the proper functioning of water systems and the longevity of equipment. A temperature setting often recommended is around 23 degrees Celsius, which strikes a balance between comfort and energy efficiency. The range of 23 +/- 2 degrees Celsius means that the acceptable temperatures would fall between 21 and 25 degrees Celsius. This range is typically considered suitable for maintaining water quality and preventing issues such as bacterial growth, as well as aligning with standards for various applications, including heating and cooling systems.

In contrast, other options tend to suggest ranges that may either be too low or too high for optimal performance or comfort. A range such as 20 +/- 2 degrees Celsius may be considered too low for many applications, which could lead to efficiency issues. Similarly, ranges like 22 +/- 2 and 25 +/- 2 degrees Celsius might either not align well with best practices or could risk overheating in certain scenarios. Therefore, the selection of 23 +/- 2 degrees Celsius is aligned with industry standards and practices for maintaining water systems effectively.