Answer :
Final answer:
The strength of a class B mixture is 3500 psi, which is option B. This indicates its ability to withstand compressive forces up to that amount.
Explanation:
The strength of a class B mixture refers to its compressive strength measured in pounds per square inch (psi). The correct answer to the question is B. 3500 psi. This means a class B concrete mixture, after proper curing and hardening, has the ability to withstand a compressive force up to 3500 psi without failing. It's important for structural projects to use the correct mixture to ensure the safety and longevity of the structure.
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