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3 cards from this section. Quick, good the night before a test.
What does the Penetration Test measure?
Think about how deep a needle goes in bitumen.
What apparatus is used in the Penetration Test?
Consider the tools required to perform the test.
What is the purpose of the Penetration Test?
Focus on what property of bitumen the test evaluates.
Is a higher penetration value indicative of softer bitumen?
Recall the relationship between penetration depth and softness.
If a bitumen sample shows a penetration depth of 90 tenths of a millimeter, categorize it and explain the suitable applications.
Consider the properties of soft versus hard bitumen.
A contractor is unsure if to use 60/70 grade or 80/100 grade bitumen for a high-traffic road. What decision should they make, and why?
Relate the implications of bitumen hardness to traffic conditions.
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