What have you learned so far?

What are the materials used to design Hot Mix Asphalt?

• Aggregates

• Bitumen

• Aggregates & Bitumen

• Quarry Dust

Which type of mix design is used in Malaysia?

• Hveem mix design

• Superpave mix design

• Macadam mix design

• Marshall mix design

Aggregate gradation is divided into :

• coarse and fine aggregate

• fine aggregate

• coarse aggregate

• coarse, fine and quarry dust

Aggregates commonly use in Malaysia to construct road?

• Limestone

• Granite

• Dolomite

• Marble

Aggregates retained on 4.75mm sieve are considered fine aggregates.

• Yes

• No

Choose the correct answer

• SG _apparent > SG _effective > SG _bulk

• SG _apparent > SG _bulk > SG _effective

• SG _effective > SG _{bulk >} SG _apparent

The ratio of weight oven dry aggregate to the volume of aggregate plus permeable pores that not absorbed with asphalt, at a stated temperature. This is definition for:

• Bulk specific gravity

• Apparent specific gravity

• Effective specific gravity

How many crushing stages are there in a Crushing Plant?

• 2

• 3

• 4

Aggregate characteristics that provide good strength and stability through interlocking features are:

• Durable

• Cleanliness and purity

• Good surface texture and shape

• Strength

Aggregate test conducted to estimate resistance to weathering is:

• LA Abrasion test

• Clay content test

• Flakiness and elongation test

• Soundness test