Deck 17: Building the Block Corner

Question 1

Because blocks are heavy, hollow, and somewhat awkward to handle, care must be taken to prevent them from spalling, which is also known as ______ .

A) sinking
B) falling
C) breaking
D) chipping

Answer 1

D

Question 2

The corner is the key to a straight, plumb wall as once the line is attached and the wall is built, it will be of the same height as the corner.

Answer 2

True

Question 3

When building the corner to the specified height, each course should be _____ before proceeding to the next course.

A) furrowed
B) dampened
C) aligned
D) dried

Answer 3

C

Question 4

Only one type of joint finish may be used with concrete block.

Question 5

A concrete block corner is constructed in a very different way than a brick corner.

Question 6

When laying the first course, spread a solid bed of mortar and do not furrow, also known as _____, the mortar bed joint.

A) groove
B) level
C) reduce
D) build up

Question 7

Be sure that reinforcement wire is bedded solidly in the mortar joint and lap the wire _____ over the next piece if more than one length of wire is needed.

A) at least 1'
B) at least 6"
C) no more than 5"
D) no more than 3"

Question 8

Each course should be aligned before proceeding to the next course.

Question 9

In a _____, the joint is even with the face of the concrete block.

A) flush joint
B) concave joint
C) V-joint
D) finish joint

Question 10

If wire joint reinforcement is called for in the building specifications, install it at the proper height, which is normally every 16" in height or every other course.