SOC Study Guide > SOC Masonry > Flashcards

SOC Masonry Flashcards

(39 cards)

Study These Flashcards
1
Q
  1. How should you take care of your tool while doing masonry work?
A

Wet tools before use
Rinse all tools with water frequently
Do not immerse dirty tools in water. The cement will cure underwater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q
  1. What are the dimension (nominal and actual) of a CMU/Cinder block?
A

Nominal 8 x 8 x 16 inches
Actual 7 5/8 x 7 5/8 x 15 5/8 inches
• 3/8 inch for mortar joint

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q
  1. What are the size of a masonry joints?
A

3/8

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q
  1. What is the weight range of a CMU block?
A

35-45 LBS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q
  1. What is the weight range of a cinder block?
A

25-35 LBS

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q
  1. What is the difference between a cinder block and a CMU block?
A

CMU blocks are used for load bearingwall while cinder block are used for non-bearing wall

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q
  1. What are the two concrete block used in class?
A

Stretcher and corner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q
  1. What are the different factors affecting bond strength to take into account in the choice of a mortar?
A

TYPE (M,S,N, AND O), Quality, Workability, and water retention

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q
  1. What are the desirable properties of a mortar?
A

Plasticity
Water retention
Strength
Durability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q
  1. Mortar is produced in what?
A

Masonry
Portland
* when Portland cement is used, masonry lime must use

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
  1. What are the different types of mortar?
A 
M Below grade; contact with Earth 
S High resistance to lateral forces 
O used for load-bearing 
N Above grade; high or lateral strength
not required
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q
  1. What are the two types of mixing?
A

Machine mixing

Hand mixing

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q
  1. What is the mixing time for a machine?
A

3 min

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q
  1. How do we want the sand to be?
A

Damp and loose

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q
  1. What are the two categories of sand?
A

Manufactured and Natural

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q
  1. What is special requirement for water?
Study These Flashcards
A

Must be free of large amount of dissolved salt

17
Q
  1. What is used for Accelerators?
Study These Flashcards
A

Calcium Chloride

18
Q
  1. What is Re-termpering mortar?
Study These Flashcards
A

Workability of mortar can be restored by adding water to stiffened mortar

19
Q
  1. How should mortar material store?
Study These Flashcards
A

All mortar material except sand and line in a dry place. Sand and lime should be covered to prevent moisture loss.

20
Q
  1. What is wall consist of?
Study These Flashcards
A

Corner/end
Field
Control / expansion joints
Wall intersections & rough opening (door and windows)

21
Q
  1. What is first course?
Study These Flashcards
A
  1. Locate the corners
  2. Lay mortar bed
  3. Lay block on all corners first
  4. Insure all blocks are leveled and plumb
  5. Insure all mortar joints are filled
  6. Laying block between corners (Line block+mason twine)
  7. Closure block
  8. Reinforce
  9. Control joints
22
Q
  1. What size of a gap should you leave for the closure block?
Study These Flashcards
A

Leave a minimum of 16 1/2 space

23
Q
  1. What type of wood should you use when in contact with masonry?
Study These Flashcards
A

Pressure treated Isolate with moisture barrier to prevent moisture loss

24
Q
  1. Should you interlock course between load bearing and non-bearing walls?
25
25. What are the two types of lintel?
Constructed & precast
26
26. What are two type of finishing action?
Tooling/Striking | Patching
27
27. How should you be striking?
Vertical then horizontal
28
28. What is Load bearing walls
LBW is crucial to hold up bldg, where non-load bearing wall is secondary support joint.
29
29. What is the rule of thumb for the placement of control joints?
No more than 25 feet between the joints | No thicker than 1/2 inch
30
30. What are the two types of finishing joints?
Concave joint | V-joint
31
31. How many bricks make a pallet?
525 Bricks
32
32. How many CMU blocks make a pallet?
94 CMU Block
33
33. Can you use calcium chloride when working with steel reinforced masonry?
No
34
34. What should be the distance between anchor bolt?
4 ft
35
35. When tie walls together what is thew distance between metal ties?
4ft vertically
36
36. Formula for estimating masonry block
linear feet x height x 1.125 =Total # of blocks
37
37. formula estimating masonry cement
(number of blocks ÷ 100) x 3 = bags of cement
38
38. formula estimating for masonry sand
1 ton of sand per 8 bags of masonry cement -or- bags of cement ÷ 8 = tons of sand
39
39. How to find CMU for non-American standard concrete Block?
144 / ( H+3/8) X (W+3/8)
SOC Study Guide
flashcards
Decks in class (13)
# Cards
Brainscape helps you reach your goals faster, through stronger study habits.
© 2026 Bold Learning Solutions. Terms and Conditions