LESSON 2
PRACTICE EXERCISE
The following items will test your grasp of the material covered in this lesson. There is only one correct
answer to each item. When you complete the exercise, check your answer with the answer key that
follows. If you answer any item incorrectly, study again that part of the lesson which contains the
portion involved.
1.
Which concrete block is the most commonly used in construction?
A.
The stretcher
B.
The corner
C.
The lintel
D.
The jam
2.
Why is it necessary to lay the stretcher block with the thicker side of the face shell up?
A.
To allow the next course of block to set plumb
B.
To allow for a wider mortar joint
C.
To allow for a greater mortar bedding area
D.
Because heavyweight blocks are used in load-bearing walls
3.
You are constructing a concrete block wall. In which course would you place a closure block?
A.
Every course
B.
Every other course
C.
Every third course
D.
The top course
4.
What tool should you use to finish vertical joints?
A.
A joint rake
B.
A sled runner jointer
C.
A S-shaped jointer
D.
A trowel
2-35
EN5157
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