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# * Unit 2 - Masonry

### Unit 2 review for test

Question | Answer |
---|---|

What is the term used for one layer or row of bricks if brick that has been bonded together? | A Course |

A continuous vertical section of masonry one unit in thickness | wythe |

Constructed with standardized units or dimensions | Modular |

Courses of brick that are laid with staggering head joints | Running Bond |

This is the most common bond when laying brick | Running Bond |

List 2 different types of masonry products | Brick and Concrete Masonry Units |

List the actual sizes of a 8”x8”x16” concrete block | 7-5/8”x 7-5/8”x 15-5/8” |

What does the abbreviation CMU stand for? | Concrete Masonry Units |

One vertical course of CMU (one CMU and one mortar joint) equals how many courses of Brick? | 3 |

How many CMU are there in a wall 48’-0” long, 5 courses high using 10” concrete block? | 180 CMU |

How many courses of 10” concrete block are there in a wall 12’-0” tall? | 18 |

A masonry wall is 14’8” tall. How many courses of 8”x8”x16” concrete block are in the wall? | 22 |

A masonry wall is 14’8” tall. How many courses of brick are in the wall? | 66 |

A wall is built using 15 courses of 4”x8”x16” concrete block, and one course of 4 x 4 x 16 CMU. How tall is the wall? (Answer expressed in feet and inches) | 10’-4” |

Which of the following 3 overall dimensions courses out? A CMU wall 33’-4” long, a CMU wall 34’-4” long or a CMU wall 30’-4”? | A CMU wall 33’-4” long. |

How thick is a typical mortar joint? | A typical mortar joint is 3/8” thick. |

The callout size of a concrete masonry unit is 10 x 8 x 16. Which number indicates the thickness of the wall created by the block, the 10, the 8 or the 16? | The 10 |

The abbreviation CMU is another way to say what? | Concrete Masonry Units |

True or False? Masonry can be divided into two categories, the first is fired clay masonry and the second is concrete masonry. | True |

True or False? The size of concrete masonry units are based on the size of a standard 8” x 8” x 16” concrete masonry unit. | True |

True or False? In describing the size of a masonry unit, the height is expressed first, the width (also called depth) second, and the length third. | False, masonry units are expressed W x H x L |

Approximatly what percent of the total cost for the masonry construction is the labor cost? | 67% |

Approximatly how many CMU are in a wall 33’-4” long x 7 courses high if you use 6 x 8 x 16 CMU? | Approx. 175 CMU |