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BU3 Advancement > Bu basic CH8 > Flashcards

Bu basic CH8 Flashcards

1
Q
  1. What are used to pick up mortar from the board, throw it on the unit, spread the mortar, and tap the unit down into the bed? (Page 8-4)
A

trowel

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2
Q
  1. What is used to smooth cut masonry units into parts? (Page 8-4)
A

chisel

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3
Q
  1. What is used to measure right angles and to lay out corners? (Page 8-5)
A

square

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4
Q
  1. The straightedge can be any length up to how many feet? (Page 8-6)
A

16

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5
Q
  1. How many main types of concrete masonry units are there? (Page 8-9)
A

5

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6
Q
  1. Load-bearing blocks are available in what two grades? (Page 8-9)
A

N and S

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7
Q
  1. American Society for Testing Materials (ASTM) specifications define a solid concrete block as having a core area not more than what percent of the gross cross sectional area? (Page 8-9)
A

25%

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8
Q
  1. What is the mortar property of resistance to rapid loss of water to highly absorbent masonry units? (Page 8-10)
A

water retentivity

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9
Q
  1. What type of mortar is suitable for general use but is recommended specifically for below grade masonry that contacts earth, such as foundations, retaining walls, and walks? (Page 8-10)
A

type M

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10
Q
  1. What type of mortar is recommended where high resistance to lateral forces is required? (Page 8-10)
A

type S

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11
Q
  1. What type of mortar is suitable for general use in above grade exposed masonry that does not require high compressive or lateral strength? (Page 8-10)
A

Type N

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12
Q
  1. Type O mortar is recommended for load-bearing, solid unit walls when the compressive stresses do not exceed how many pounds per square inch? (Page 8-10)
A

100

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13
Q
  1. What rule can you use for calculating the raw material needed to mix 1 yard of mortar without a great deal of paperwork? (Page 8-17)
A

rule 38

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14
Q
  1. Cement or lime should not be stacked more than how many bags high on a pallet? (Page 8-17)
A

10

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15
Q
  1. What is the process of inserting mortar into horizontal and vertical joints after the unit has been laid? (Page 8-24)
A

pointing

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16
Q
  1. What are continuous vertical joints that permit a masonry wall to move slightly under unusual stress without cracking? (Page 8-25)
A

control joints

17
Q
  1. What are reinforced courses of block that bond and integrate a concrete masonry wall into a stronger unit? (Page 8-27)
A

bond beams

18
Q
  1. Lintels should have a minimum bearing of how many inches at each end? (Page 8-27)
A

6

19
Q
  1. What can be used to hold back a mass of soil or other material? (Page 8-32)
A

retaining walls

20
Q
  1. What is construction in which uniform units called bricks, small enough to be placed with one hand, are laid in courses with mortar joints to form walls? (Page 8-32)
A

brick masonry

21
Q
  1. What type of bricks are particularly suited to walls or partitions in hospitals, dairies, laboratories, and other structures requiring sanitary conditions and ease of cleaning? (Page 8-34)
A

glazed

22
Q
  1. Bricks can have an ultimate compressive strength as low as what? (Page 8-35)
A

1600 psi

23
Q
  1. Except where stacked in sheds, brick piles should never be more than how many feet high? (Page 8-35)
A

7

24
Q
  1. When a pile of brick reaches a height of how many feet it must be tapered back 1 inch in every foot of additional height? (Page 8-35)
A

4

25
Q
  1. What is a masonry unit laid flat on its bed along the length of a wall with its face parallel to the face of the wall? (Page 8-36)
A

stretcher

26
Q
  1. What is a brick laid on its end with its face perpendicular to the face of the wall? (Page 8-39)
A

soldier

27
Q
  1. What refers to how the individual masonry units interlock or tie together into a single structural unit? (Page 8-39)
A

structural bond

28
Q
  1. What should be installed at any spot where moisture is likely to enter a brick masonry structure? (Page 8-42)
A

flashing

BU3 Advancement (27 decks)

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