Concrete Reinforcement Quiz

The Concrete Reinforcement quiz will cover some of the basic material presented in this lesson. Please answer the questions below. After completing the quiz you may mark this lesson complete and continue on to the next lesson.

Note: All quizzes in this course require an 80% passing grade to continue to the next lesson. If you do not meet the required score, click the “View Questions” button to see which questions were answered incorrectly and then click “Restart Quiz” to try again.

Good luck!

What is dead load?

The weight of stored materials in a structure

The weight of people inside a structure

The weight of the structure itself

The weight of snow on top of a structure

Which describes compression?

Crushing

Pulling or stretching

Twisting or tearing

Sliding

Which best describes tension?

Crushing

Pulling or stretching

Twisting or tearing

Sliding

Which force is best illustrated by a cable being tightened by a winch?

Compression

Tension

Torsion

Shear

In below grade applications with backfill on one side, vertical rebar is generally placed where in the wall cavity?

Closer to the inside of the structure

Closer to the outside of the structure

The center of the wall

In above grade application, vertical rebar is typically placed where in the wall cavity?

Closer to the inside of the structure

Closer to the outside of the structure

In the center of the wall

Horizontal rebar in the foundation should be placed when?

During the pour

Before the pour

After the pour, before concrete sets up

Horizontal rebar is not needed in the foundation

When is vertical rebar placed in ICF walls?

After the wall is stacked, after concrete is poured

After the wall is stacked, before concrete is poured

After the fourth course is placed

Before the last course is stacked, after concrete is poured

To make walls strong, the technique of lapping is put into practice. What is lapping?

When two block cuts overlap each other

When concrete is poured in a continuous direction making a lap around the structure

When multiple pieces of rebar are used to frame a door or window opening

When two pieces of rebar are overlapped to create a continuous line of rebar

If your project calls for number 5 rebar, what is the diameter of the rebar you will use?

1/5"

1/2"

5/8"

What is a contact lap splice?

Where two pieces of rebar overlap

Where two pieces of rebar overlap and touch

Where two pieces or rebar overlap but don't touch

Where two pieces of rebar are connected end to end

How do BuildBlocks webs interact with rebar?
Check all that apply.

Control the movement of rebar during the pour

Provide channels for multiple pieces of rebar to be snapped into place

Assists in contact lap splices

Provide a plastic channel that vertical rebar can slide through

When rebar overlaps but does not touch, what is the max approved spacing between these bars?

1/5 the lap length and no more than 4"

1/5 the lap length and no more than 3"

1/5 the lap lengths and no more than 6"

1/5 the lap length and no more than 8"

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