Quiz No. 3 (SAT SCHED 2-4PM)

The dividing size between coarse and fine aggregates.

• No. 4 (4.75mm)

• No. 4 (2.00mm)

• No. 4 (1.70mm)

• No. 4 (2.36mm)

It is the test to measure the strength or quality of the material and the water

holding capacity of the aggregates.

• Specific Gravity and Absorptions

• Unit weight and Voids in Aggregates

• Abrasion Test

• Organic Impurities

It is the test which determines the resistance of the aggregates to disintegration by weathering.

• Soundness

• Hardness

• Ductility

• Elasticity

It is an index to the coarseness or fineness of an aggregate.

• Fineness Modulus

• Optimum Fineness

• Fineness Equation

• Maximum Finenss

The allowable percent wear for Item 200: Aggregate Sub-base Course

• 50% Maximum

• 50% Minimum

• 40% Maximum

• 40% Minimum

The allowable percent wear for Item 311: PCCP

• 40% maximum

• 40% minimum

• 50% maximum

• 50% minimum

What is the total mass of sample for Grading A of Abrasion Test for Coarse Aggregates?

• 5000+10

• 1250+25

• 5000+25

• 1250+10

What is the mesh size corresponding to No. 12 sieve?

• 1.70mm

• 2.00mm

• 4.75mm

• 2.36mm

For Item 200, given the Original Mass is 5010g and the sample retained on No. 12 sieve is 3505g, what is the percent wear?

• 30%, passed

• 30%, failed

• 40%, failed

• 40%, passed

what is the mesh size corresponding to No. 10 sieve?

• 2.00mm

• 1.70mm

• 2.36mm

• 4.75mm