The sand used in testing must be _______________________.
Understand the Problem
The question is asking about the required characteristics of sand used in testing. We need to identify which statements about the sand's properties are correct.
Answer
Standard sand, quartz material, light grey and free from silt.
The sand used in testing must be standard sand, typically made of quartz material, light grey or whitish in color, and free from silt.
Answer for screen readers
The sand used in testing must be standard sand, typically made of quartz material, light grey or whitish in color, and free from silt.
More Information
Standard sand is crucial in testing as it provides consistent and reliable results due to its defined characteristics.
Tips
A common mistake is using non-standard sand, which could lead to inconsistent testing results.
Sources
- WHAT IS STANDARD SAND USED FOR CEMENT TEST? - civilblog.org
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