Difference between revisions of "AY Honors/Masonry/Answer Key"

Revision as of 00:42, 15 March 2006

Skill Level 3

1. Name at least six materials commonly used by masons in the erection of walls or buildings.

Primary materials include:

Brick
Concrete Block (also known as cinder block)
Poured Concrete
Stone
Glass Block
Tile

Secondary materials include

Mortar
Rebar
Grout

2. Demonstrate ability to use properly the following:

Plumb line

A plumb line is a string with a plumb bob at the end of it. The plumb bob hangs straight down, so the plumb line can be used to make sure that a wall is perfectly vertical and does not lean in any direction.

Line stretcher (chicken legs)

Level

Trowel

S-tool

mason hammer

3. Demonstrate a knowledge of building cement characteristics (know how to prevent sweating, cracking, shrinking, crumbling, and loss of strength).

Sweating
Cracking
Shrinking
Crumbling
Loss of strength

4. Make useable mortar and state proper proportions of ingredients (lime, sand, etc.).

5. Lay a straight stone, brick, or block masonry wall at least four feet (1.2 meters) high and ten feet (3.0 meters) long, including an inside or outside corner (surface must be struck and broomed).

@@ Line 18: / Line 18: @@
 ==2. Demonstrate ability to use properly the following:==
 === Plumb line===
+A plumb line is a string with a plumb bob at the end of it.  The plumb bob hangs straight down, so the plumb line can be used to make sure that a wall is perfectly vertical and does not lean in any direction.
 === Line stretcher (chicken legs)===
 === Level===