Masonry Part 1 PDF

In masonry work, what tool is used to make long horizontal joints? 2. Refer to the figure. Symbols on plans are used to represent building materials. What does the symbol shown below represent? **Rubble** 3. Refer to the figure. Symbols on plans are used to represent building materials....

In masonry work, what tool is used to make long horizontal joints? 2. Refer to the figure. Symbols on plans are used to represent building materials. What does the symbol shown below represent? **Rubble** 3. Refer to the figure. Symbols on plans are used to represent building materials. What does the symbol shown below represent?  **Dimension lumber** 4. Refer to the figure. Symbols on plans are used to represent building materials. What does the symbol shown below represent? **Steel** 5. Refer to the figure. Symbols on plans are used to represent building materials. What does the symbol shown below represent?  **Plaster** 6. How many cubic feet of mortar are required for a single wythe brick wall that measures 200 sq feet, has 3/8\" mortar joints and has 655 non-modular brick units per 100 square feet? 7. A single wythe brick wall that measures 200 square feet, has 3/8\" mortar joints, and has 655 non-modular bricks per 100 square feet will require how much mortar? **11.6 cubic feet of mortar** 8. 9. Brick that will come into contact with ground water and freezing conditions should be type: **SW** 10. With masonry, what unit of measure is used in a modular grid system? **4\"** 11. What is the nominal size of a modular brick? **4\" X 2 2/3\" X 8\"** 12. What percentage of a brick must be solid for it to be considered solid? **75%** 13. What is the white powder that forms in a masonry wall after exposure to moisture? **Efflorescence** 14. What type of brick position is created when one brick is laid across two others? **Header** 15. Five to Seven stretcher courses of brick with one header course describes which of the following types of bonds? **Common or American** 16. The Common or American bond is a variation of the \_\_\_\_\_\_\_\_\_ bond. **running** 17. The Common or American bond header courses are generally used every \_\_\_\_\_ and \_\_\_\_\_course. **Five, Seven** 18. The Common or American bond has a course of \_\_\_\_\_\_\_\_\_\_\_\_\_to provide structural bonding as well as a pattern. **full-length headers** 19. Refer to the figure. Which of the brick patterns is called a Flemish Bond? **A** 20. Refer to the figure. Which of the brick patterns is called a Running Bond?  **B** 21. Refer to the figure. Which of the brick patterns is called a English Bond? **C** 22. Refer to the figure. Which of the brick patterns is called a Stack Bond?  **D** 23. When laying brick and all the vertical joints align, this is a: **Stacked bond** 24. Which brick pattern is considered the weakest bond? 25. Common bond is also referred to as \_\_\_\_\_\_\_\_\_\_\_ bond. **American** 26. Block or Stack Bond is purely a \_\_\_\_\_\_\_ bond. **pattern** 27. What type of mortar joint is recommended in areas exposed to heavy rain, high winds, and freezing? **V-shaped or Concave Joint** 28. Refer to the figure. What type of joint is shown by figure \#3 on the side of the masonry cross section? **V-shaped** 29. Refer to the figure. What type of joint is shown by figure \#1 on the side of the masonry cross section?  **Concave** 30. Refer to the figure. Which number indicates a concave/rodded joint? **1** 31. Refer to the figure. Which number indicates a weathered joint?  **4** 32. Refer to the figure. What type of joint is shown by figure \#4 on the side of the masonry cross section? 33. Refer to the figure. Which number indicates a raked joint?  **7** 34. Refer to the figure. Which number indicates a struck joint? **5** 35. Refer to the figure. What type of joint is shown by figure \#5 on the side of the masonry cross section?  **Trowel-struck** 36. Refer to the figure. What type of joint is shown by figure \#6 on the side of the masonry cross section? **Flush or Rough Cut.** 37. Refer to the figure. What type of joint is shown by figure \#7 on the side of the masonry cross section?  **Raked** 38. What type of facing tile is used when a high degree of mechanical perfection is required? 39. Which CMU has the least pounds per cubic foot of concrete?  40. What is the highest strength aggregate in an 8 X 8 X 16 CMU?  41. What is the weight of an 8 x 8 x 16 Concrete Masonry Unit (CMU) made of sand and gravel? **40 lbs** 42. When figuring nominal dimensions, what is the intended size of the mortar joint for concrete masonry units? **3/8\"** 43. What is the advantage of a two core block CMU versus a three core block design?  44. The nominal size of an 8 inch stretcher block is: **8 X 8 X 16** 45. A standard glass block mortar joint is how thick? **1/4\"**