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2 Builders (Exam Review Tools for Trade) > Masonry (Overview) > Flashcards

Masonry (Overview) Flashcards

1
Q

The air space between brick siding and the plywood sheathing should be

a: 1/2”
b: 3/4”
c: 1” minimum to 4 1/2” maximum
d: An air space is not required

A

c: 1” minimum to 4 1/2” maximum

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2
Q

To insure that water moisture is not trapped behind brick veneer, small holes are made in the joints of the lowest course of bricks. These holes are called:

a: Crying holes
b: Weep holes
c: Drying holes
d: Air holes

A

b: Weep holes

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3
Q

Which brick pattern is the weakest?

a: English
b: Common
c: Stacked
d: Running

A

c: Stacked

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4
Q

Brick ties should be placed not more than every 32 inches horizontally, and 24 inches vertically so that no more than _____ square feet are supported by one tie. Found in - R703

a: 2.67
b: 3
c: 3.5
d: 4.5

A

a: 2.67

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5
Q

What ingredient, when increased in mortar, decreases strength but increases workability?

a: Sand
b: Mortar
c: Lime
d: Chloride

A

c: Lime

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6
Q

A masonry column that is used to support other structural members is called:

a: Pile
b: Pilaster
c: Sill
d: Stud

A

b: Pilaster

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7
Q

True or False. A limited access zone shall be established whenever a masonry wall is constructed.

A

True

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8
Q

The passageway in a chimney which allows the smoke and fumes to escape is the:

a: Updraft
b: Flue
c: Damper
d: Smoker

A

b: Flue

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9
Q

A 12” masonry block is referring to what?

a: Height
b: Length
c: Width
d: None of the above

A

c: Width

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10
Q

How many concrete blocks are needed to lay one course of 8x16 blocks in a wall that is 24 feet long?

a: 16 + 2-1/2 corners
b: 16 plus 2 full corners
c: 32 full blocks
d: 36 full blocks

A

b: 16 plus 2 full corners

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11
Q

The center stone in the middle of an arch is called?

a: Center stone
b: Middle stone
c: Key stone
d: Arch stone

A

c: Key stone

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12
Q

When constructing a masonry building using block, the ____________ are laid first.

a: Lintels
b: Starter brick
c: Center block
d: Corner leads

A

d: Corner leads

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13
Q

Chimneys shall extend at least_____feet higher than any portion of the building within 10 feet, but not less than 3 feet above the highest point where the chimney passes through the roof. Found in - R1001

a: 2 feet
b: 16 inches
c: 3 feet
d: 18 inches

A

a: 2 feet

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14
Q

What is the mortar base used when laying ceramic flooring?

a: Construction adhesive
b: Thin set
c: Carpenters glue
d: Liquid nail

A

b: Thin set

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15
Q

How would you thicken mortar that has too much water in it?

a: Let it set until it thickens on its own
b: Throw it out and start over
c: Add proper amount of sand and mortar
d: None of the above

A

c: Add proper amount of sand and mortar

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16
Q

Backfill shall not be placed against the wall until the wall has sufficient strength and has been anchored to the floor above or has been ___________ _____________ to prevent damage.

a: Sufficiently braced
b: Waterproofed
c: Strength tested
d: Seal coated

A

a: Sufficiently braced

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17
Q

Mortar is a mixture of lime, Portland cement, sand and ___________________ .

a: Gravel
b: Water
c: Chloride
d: Mud

A

b: Water

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18
Q

When the air temperature is above 80F, mortar should be used within _______ hours after originally mixed.

a: 4
b: 2
c: 2-1/2
d: 3

A

c: 2-1/2

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19
Q

True or False. Masonry units shall be dry before placing.

A

True

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20
Q

Concrete blocks are ________ shorter in all dimensions (length, width and height) than the nominal dimensions.

a: 1/8’
b: 1/4”
c: 3/8”
d: 1/2”

A

c: 3/8”

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21
Q

Bracing is required when a masonry wall exceeds ________ while under construction.

a: 5’
b: 6’
c: 7’
d: 8’

A

d: 8’

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22
Q

To retemper mortar that has stiffened:

a: Add water and thoroughly remix one time
b: Add chloride
c: Heat to 72 degrees
d: None of the above

A

a: Add water and thoroughly remix one time

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23
Q

The minimum allowable bed joint for a starting course on a footing is 1/4” and the maximum allowable is ____________.

a: 1/4”
b: 1/2”
c: 3/4”
d: None of the above

A

c: 3/4”

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24
Q

For masonry veneer weep holes shall be located in the _____course, above finished ground.

a: 3rd
b: 2nd
c: 1st
d: None of the above

A

c: 1st

25
Q

Constructing a panel using 8” nominal glass block, with the block being four blocks wide and five blocks high, what should the size of the opening be, in order to maintain the bond of the surrounding blocks in the wall?

a: 32-3/8” x 40-3/8”
b: 32-3/4” x 40-3/4”
c: 32-1/4” x 40-1/4”
d: 32-7/8” x 40-7/8”

A

a: 32-3/8” x 40-3/8”

26
Q

What is the actual size of a nominal 8” square glass block?

a: 7-5/8” x 7-5/8” x 3-5/8”
b: 7-3/4” x 7-3/4” x 3-7/8”
c: 8” x 8” x 4”
d: 7-1/2” x 7-1/2” x 3-1/2”

A

b: 7-3/4” x 7-3/4” x 3-7/8”

27
Q

What product is a non-corrosive, non-rusting and non-shrinking material that is best used to seal cracks in masonry and concrete?

a: High quality silicon caulk
b: Plaster
c: Hydraulic cement
d: cement paste

A

c: Hydraulic cement

28
Q

What blade would you use to cut brick with?

a: Cross cut saw
b: Combination blade
c: Chisel
d: Diamond tip blade

A

d: Diamond tip blade

29
Q

Maximum height for a low-lift grout application is ____feet.

a: 5
b: 8
c: 12
d: None of the above

A

a: 5

30
Q

In cold weather, to prevent mortar from freezing

a: Place sunlamp in front of it
b: Add chloride
c: Prior to mixing, heat sand and water to produce mortar above 40 degrees.
d: None of the above

A

c: Prior to mixing, heat sand and water to produce mortar above 40 degrees.

31
Q

The block which fills the final gap in a course between corners is called the:

a: Corner block
b: Closure block
c: Arch block
d: Center stone

A

b: Closure block

32
Q

A cricket/saddle shall be installed on the up-slope side of a chimney when the chimney width is _____inches or more.

a: 24
b: 36
c: 30
d: None of the above

A

c: 30

33
Q

Bed joints are horizontal joints. The first course of bed joints can’t be less than 1/4” or more than 3/4”. Ideally, all joints should be:

a: 5/8”
b: 1/2:
c: 3/4:
d: 3/8”

A

d: 3/8”

34
Q

Wall ties are either #22 gauge galvanized sheet metal or:

a: 7 gauge wire
b: 8 gauge wire
c: 9 gauge wire
d: 10 gauge wire

A

c: 9 gauge wire

35
Q

Cold weather construction provisions shall be implemented when the ambient temperature falls below___.

a: 80 degrees
b: 60 degrees
c: 40 degrees
d: None of the above

A

c: 40 degrees

36
Q

The firebox shall not be less than ___________ in depth. Found in - R1001

a: 17”
b: 18”
c: 19”
d: 20”

A

d: 20”

37
Q

Joints in fire brick shall not exceed:

a: 1/4”
b: 3/8”
c: 1/2”
d: 9/16”

A

a: 1/4”

38
Q

The fireplace ____________________ shall be constructed of concrete or masonry and shall be 4 inches minimum in thickness.

a: Chimney
b: Hearth
c: Mantel
d: Mounting

A

b: Hearth

39
Q

The throat in the fireplace shall not be less than ___________ above the fireplace opening and shall not be less than 4” in depth. Found in - R1001

a: 6”
b: 7”
c: 8”
d: 9”

A

c: 8”

40
Q

Mix 10 parts water to one part ________________________ to remove efflorescence and excess mortar from the face of brick that has recently been laid.

a: Muriatic acid
b: Turpentine
c: Sulfuric acid
d: Boric acid

A

a: Muriatic acid

41
Q

True or False. Mortar bearing surfaces of glass block have rough edges to form a good bond with mortar.

A

True

42
Q

Tooling a masonry joint means applying a______shaped finish.

a: Smooth concave
b: Raking
c: V shape
d: Both A and C

A

d: Both A and C

43
Q

In an 8” cement block, this measurement refers to:

a: Length
b: Diagonal size
c: Width
d: height

A

c: Width

44
Q

What type of mortar would best be recommended for exterior, above-grade use?

a: Type M
b: Type S
c: Type N
d: None of the above

A

c: Type N

45
Q

A lintel block is what shape?

a: U
b: solid
c: L
d: I

A

a: U

46
Q

What are the dimensions of a standard modular brick?

a: 3-5/8 in. x 8 in. x 2-1/4 in.
b: 4 in. x 8 in. x 2-1/2 in.
c: 4 in. x 2-2/3 in. x 8 in.
d: None of the above

A

c: 4 in. x 2-2/3 in. x 8 in.

47
Q

Where would a mason use angle iron?

a: Arch
b: Sill
c: Lintel
d: Attic

A

c: Lintel

48
Q

Why does a brick chimney have a cement cap on it?

a: To keep wind from blowing down it.
b: To keep birds from building nests in it.
c: To keep moisture from getting between the bricks and the flue
d: To keep water out of the fireplace

A

c: To keep moisture from getting between the bricks and the flue

49
Q

When laying bricks, what are the brick ties made of?

a: 22 gauge, corrugated, steel strips
b: Corrosion resistant sheet metal
c: #8 wire
d: Both a. and b.

A

d: Both a. and b.

50
Q

What is the minimum hearth extension in front of a fireplace with less than 6 sq.ft. of opening?

a: 12”
b: 16”
c: 18”
d: 24”

A

b: 16”

51
Q

A cavity wall is two wythes of masonry, each of which is at least____inches thick.

a: 12
b: 8
c: 4
d: None of the above

A

c: 4

52
Q

In a reinforced masonry wall, grout should be placed within 1-1/2 hours after water has been added to the mix.

a: 2-1/2
b: 2
c: 1-1/2
d: All of the above

A

c: 1-1/2

53
Q

When the fireplace opening is less than 6 sq.ft. the hearth extension must be how much wider on each side than the opening?

a: 4”
b: 6”
c: 8”
d: 12”

A

c: 8”

54
Q

Footings for masonry fireplaces and their chimneys shall be at least ____inches thick.

a: 36
b: 24
c: 12
d: None of the above

A

c: 12

55
Q

What type of mortar would best be used for non-load bearing partitions?

a: O Type
b: N Type
c: S Type
d: None of the above

A

a: O Type

56
Q

When constructing a masonry wall, a limited access zone shall be equal to the height of the wall plus____feet.

a: 4
b: 6
c: 8
d: None of the above

A

a: 4

57
Q

Masonry fireplaces shall be constructed of:

a: Solid masonry units
b: Metal inserts
c: Brick and mortar
d: Imitation blocks

A

a: Solid masonry units

58
Q

When a fireplace lining of firebrick at least 2” in thickness is installed, the total minimum thickness of the back and side wall is _________________, including the firebrick. Found in - R1001

a: 10”
b: 6”
c: 7”
d: 8”

A

d: 8”

2 Builders (Exam Review Tools for Trade) (16 decks)

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