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Lesson 1: Properties of Fine and Coarse Aggregates

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Lesson 1: Properties of Fine and Coarse Aggregates

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Questions and Answers

What is the definition of fine aggregate?

Aggregate passing the No.222 sieve

Aggregate passing the No.200 sieve

Aggregate retained on the No.4 sieve

Aggregate passing No.4 sieve and retained on the No.222 sieve (correct)

What is the size range of fine aggregate?

Passing No.4 sieve

Less than 3/8 (correct)

3/8 to 1 ½ or more

Retained on the No.200 sieve

What does sand mainly consist of?

Retained on the No.200 sieve

Passing the No.222 sieve

Passing the No.4 sieve (correct)

Passing the No.200 sieve

What size range defines coarse aggregate?

3/8 to 1 ½ or more Signup and view all the answers

What is gravel defined as?

Aggregate retained on the No.4 sieve Signup and view all the answers

What does bank gravel found in natural deposits usually include?

Gravelly sand Signup and view all the answers

How is crushed gravel produced?

By artificial crushing of rocks Signup and view all the answers

What distinguishes crushed rock from crushed stone?

Crushed rock is created from all rock, while crushed stone comes from boulders only. Signup and view all the answers

What does coarse aggregate consist of?

Larger than a #4 sieve Signup and view all the answers

What characterizes crushed stone?

The presence of at least one face resulting from fracture. Signup and view all the answers