Lesson 2 Practice Exercise

LESSON 2

PRACTICE EXERCISE

Check your understanding of Lesson 2 by completing the practice exercise. There is only one correct answer to

each questions. Try to answer all of the questions without referring to the lesson materials.

When you have completed all of the questions, turn the page and check your answers against the correct response.

Each correct response is referenced to specific portion of the lesson material so you can review any questions you

have missed or do not understand before continuing to the next lesson.

1.

Define moderate exposure conditions.

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2.

A change in the w/c ratio changes the characteristics of the--

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3.

List six of the basic guidelines for employing the Absolute Volume Method for proportioning concrete.

(6/11)

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4.

Define severe exposure conditions.

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5.

List the steps to be followed in estimating the materials needed in a construction project.

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6.

List two main criteria for selecting mix proportions. Seven are present in the test.

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7.

When testing different batches of the same mixture, changes in slump indicate changes in--

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EN5466