Computer · Concrete Technology
Identify the INCORRECT statement regarding the workability and testing of concrete.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The workability of concrete is mainly affected by the water-cement ratio and aggregate-cement ratio.
- 2The compaction factor for concrete of very low workability is approximately 0.78.
- 3The Kelly ball test is a complex and strict laboratory-only test method.✓
- 4The slump test for workability gives reliable results primarily for medium to high workability rich mixes.
Correct answer
The Kelly ball test is a complex and strict laboratory-only test method.
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