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?

<p>3/8 to 1 ½ or more (A)</p> Signup and view all the answers

What is gravel defined as?

<p>Aggregate retained on the No.4 sieve (C)</p> Signup and view all the answers

What does bank gravel found in natural deposits usually include?

<p>Gravelly sand (D)</p> Signup and view all the answers

How is crushed gravel produced?

<p>By artificial crushing of rocks (D)</p> Signup and view all the answers

What distinguishes crushed rock from crushed stone?

<p>Crushed rock is created from all rock, while crushed stone comes from boulders only. (A)</p> Signup and view all the answers

What does coarse aggregate consist of?

<p>Larger than a #4 sieve (D)</p> Signup and view all the answers

What characterizes crushed stone?

<p>The presence of at least one face resulting from fracture. (C)</p> Signup and view all the answers

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