Question: What is the typical water-cement ratio for achieving good concrete strength?

Options:

1. 0.1 to 0.2
2. 0.3 to 0.4
3. 0.5 to 0.6
4. 0.7 to 0.8

Correct Answer: 0.5 to 0.6

Solution:

A water-cement ratio of 0.5 to 0.6 is typically recommended to achieve good concrete strength while maintaining workability.