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Concrete and Masonry > Mid Term > Flashcards

Mid Term Flashcards

1
Q

CH: 1 Brick that are shaped by forcing wet clay through a die, a form used to impress or shape an object are called:

A

Extruded Brick

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2
Q

CH: 1 A brick whose cross-section is partially hollow is called a:

A

Cored Brick

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3
Q

CH: 1 For a brick to be considered a solid unit rather than a hollow unit, the minimum percentage of its net cross-sectional area considered as material rather than openings must be at least:

A

75%

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4
Q

CH: 1 Give 2 defining aspects of Wood-mold Brick:

A
  • Theyre totally solid

- They have no distinguishing characteristics between front and back sides

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5
Q

CH: 1 A recessed area formed on the bottom side of wood-mold brick, created at the bottom of a brick mold when the mold is filled with wet clay, is called a:

A

Frog

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6
Q

CH: 1 Define:

  • A Stretcher
  • A Header
  • A Shiner
  • A Soldier
  • A Rowlock
A

look online

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7
Q

CH: 5 The process of establishing brick arrangement and head joint size is called:

A

Dry Bonding

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8
Q

CH: 5 It is recommended that the size of mortar joints be between:

A

1/4” and 1/2”

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9
Q

CH: 5 Attaching a mason’s line to the leads is called:

A

Hanging the line

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10
Q

CH: 5 What is the purpose of Twigging a Line:

A
  • Eliminate the line from sagging
  • Eliminate the effects of movement caused by high winds
  • To position the line accutately at leads
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11
Q

CH: 5 Aligning the bottom edge of each brick’s face with the top edges of the brick faces below it is called:

A

Facing the brick

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12
Q

CH: 5 A condition observed when a brick unintentionally extends beyond the face of the brick below it is called:

A

Lipping

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13
Q

CH: 5 Brick too close to the mason’s line are considered to be:

A

Crowding the line

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14
Q

CH: 5 The last brick to be laid in a course is called the:

A

Closure Brick

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15
Q

CH: 5 Laying brick to the line requires:

A

-Aligning the pattern bond plumb, the brick level, and the wall plumb

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16
Q

CH: 9 The hollow spaces in CMU’s are called:

A

Cells

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17
Q

CH: 9 The percentage that the openings account for in a hollow CMU is:

A

More than 25%

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18
Q

CH: 9 CMU’s containing expanded shale and slate are called:

A

Lightweight block

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19
Q

CH: 9 The weight of the building materials, occupants, furnishings, and snow are examples of:

A

Structural Loads

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20
Q

CH: 9 The abbreviation for referring to masonry building block is:

A

CMU

21
Q

CH: 9 Structural CMU’s that have color/texture are called:

A

Architectural masonry units

22
Q

CH: 9 CMU’s that have polished, smooth faces to expose the natural colors of the aggregates are called:

A

Ground faced

23
Q

CH: 9 The size of a CMU refers to its:

A

Width

24
Q

CH: 9 The length of a standard CMU is:

A

15 5/8”

25
Q

CH: 9 The height of a standard CMU is:

A

7 5/8”

26
Q

CH: 9 The approximate size of a CMU is called its:

A

Nominal size

27
Q

CH: 9 The five standard sizes of CMU’s are:

A

4”, 6”, 8”, 10”, 12”

28
Q

CH: 9 The mortar joint width recommended for CMU’s is:

A

3/8”

29
Q

CH: 10 The combined length of a block and a head joint is:

A

16”

30
Q

CH: 10 The combined height of a block and a bed joint is:

A

8”

31
Q

CH: 10 Applying mortar along each face side of the top of block without applying mortar to the cross webs is called:

A

Face-shell spreading

32
Q

CH: 10 Aligning the bottom edge of each block as it is laid with the top edges of the block below it is called:

A

Facing the block

33
Q

CH: 10 Block should be aligned level by tapping the top near its:

A

Center line

34
Q

CH: 10 For building a plumb wall, a uniform spacing should be maintained between each block and the mason’s line equivalent to:

A

1/16”

The thickness of a U.S nickel coin

35
Q

CH: 10 The size for mortar joints should be between:

A

No less than 1/4” or more than 1/2”

36
Q

CH: 10 To preserve their structural integrity, block should be cut with:

A

A masonry saw

37
Q

CH: 10 The mason’s line is used to align block in a wall to be:

A
  • Level
  • Plumb
  • Straight
38
Q

CH: 10 A device clipped to the line to position it as needed is called:

A
  • A trig

- A twig

39
Q

CH: 11 A type of block lead consisting of 2 walls connected at a right angle is called:

A

-A corner

40
Q

CH: 11 Using a mason’s line to align leads at opposites ends of a wall with each other is called:

A

-Checking the Range

41
Q

CH: 11 The standard course spacing for block walls is:

A

8”

42
Q

CH: 11 When it is necessary to increase or decrease course spacing, bed joint widths should be between:

A

1/4” and 1/2”

43
Q

CH: 11 How is a mason’s line used to align leads:

A
  • Level
  • Plumb
  • Straight
44
Q

CH: 11 Comparing the alignment of all courses at the tail end of the lead by placing the level diagonally along the stepped end of the lead is called:

A

-Checking the rack of the lead

45
Q

CH: 11 A 4” block corner with a half-lap pattern requires the length of the block at the corner to be:

A

11 5/8”

46
Q

CH: 11 A 6” block corner with a half-lap pattern requires the length of the block at the corner to be:

A

13 5/8”

47
Q

CH: 11 The width of the ends of 10” and 12” offset corner blocks is:

A

7 5/8”

48
Q

CH: 11 A procedure permitting building a lead to any number of courses is called:

A

-Toothing

49
Q

CH: 11 Interesting block walls are adjoined using:

A
  • Chases
  • Steel strap anchors
  • Steel welded fabric wire cloth

Concrete and Masonry (3 decks)

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