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200 Hour Inspector Course > 30 Hour Foundations Quiz > Flashcards

30 Hour Foundations Quiz Flashcards

1
Q

[SITE ANALYSIS]

The main classifications of soil are sand, silt and clay. (TRUE/FALSE)

A

TRUE

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2
Q

[SITE ANALYSIS]
Most soils consist of a mixture of two or more ingredients. The name of the soil depends on the ingredient having the largest percentage of the mix. (TRUE/FALSE)

A

TRUE

[CSRE, Book-3, Pg 19]

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3
Q

[SITE ANALYSIS]

The greater the “Plasticity Index” the more stable the soil. (TRUE/FALSE)

A

FALSE
“The higher the Plasticity Index, the greater the soil SWELLS when wet & SHRINKS when dry”
[CSRE, Book-3, Pg 19]

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4
Q 
[GRADING]
[TEST QUESTION]
Unless grading is prohibited by physical barriers, lots shall be graded away from the foundation with a minimum fall of \_\_\_\_\_ within the first\_\_\_\_\_\_\_\_.
a. 6" 5'
b. 6" 10'
c. 12" 5'
d. 12" 10'
A

b. 6” 10’

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5
Q 
[GRADING]
The front & back yards of a house should be graded to drop at least \_\_\_\_\_\_ in the first 10'.
a. 4''
b. 5''
c. 6''
d. 10''
A

c. 6’’

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6
Q 
[GRADING]
Gutters should have a slope of at least \_\_\_\_\_\_  for every 15' of lateral distance.
a. 1''
b. 2''
c. 3''
d. 4''
A

a. 1’’

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7
Q 
[FOUNDATIONS]
The minimum required thickness for concrete spread footings is \_\_\_\_\_\_\_\_.
a. 4"
b. 6"
c. 7"
d. 8"
A

b. 6”

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8
Q 
[FOUNDATIONS]
What are the minimum & maximum footing projections for a concrete footing that have a thickness of 8" ?
a. 2", 4"
b. 2", 8"
c. 4", 8"
d. 8", 12"
A

b. 2”, 8”

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9
Q

[FOUNDATIONS]
A foundation problem is indicated by all of the following EXCEPT:
a. Cracks through the middle of the exterior bricks.
b. Interior wall cracks corresponding to outside wall cracks.
c. Separation of the rafters from the ridge row.
d. Minor cracks in the exterior brick mortar.

A

d. Minor cracks in the exterior brick mortar.

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10
Q 
[FLAT WORK]
All of the following are common problems with walks & driveways EXCEPT:
a. cracked surfaces
b. uneven surfaces
c. control joints
d. improper slope
e. poor drainage
A

c. control joints

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11
Q

[FLAT WORK]
It’s a good idea to have a _____ inch step up into the house from the porch, deck or patio floor. Why is this?
a. 6”, this reduces the chance of snow or water getting into the structure under the bottom of the door.
b. 8”, this reduces the chance of snow or water getting into the structure under the bottom of the door.
c. 9”, this reduces the chance of snow or water getting into the structure under the bottom of the door.
d. 10”, this reduces the chance of snow or water getting into the structure under the bottom of the door.

A

a. 6”, this reduces the chance of snow or water getting into the structure under the bottom of the door.

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12
Q

[FLAT WORK]
Which way should garage floors slope?
a. To drain (usually towards door)
b. Drain to either side away from the door.
c. Should drain towards the back of the garage away from the for easy cleanup.
d. Garage floors do not require a slope.

A

a. To drain (usually towards door)

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13
Q 
[MATERIALS]
The main ingredient in Portland Cement is:
a. Carbon
b. Glucose
c. Limestone
d. Plaster
A

c. Limestone

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14
Q 
[MATERIALS]
The highest grade of softwood lumber is:
a. MC-15
b. S-Dry
c. S-GRN
d. SXS-20
A

a. MC-15

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15
Q

[MATERIALS]

Nominal size refers to the size of the lumber when it was cut form the log (TRUE/FALSE)

A

TRUE

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16
Q 
[FOUNDATION WALLS]
The maximum permitted slope for the bottom surface of footing shall be\_\_\_\_\_\_\_\_.
a. 1:8
b. 1:10
c. 1:12
d. 1:20
A

b. 1:10

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17
Q 
[FOUNDATION WALLS]
Anchor bolts used to attach wood sill plates to foundation walls shall be spaced a maximum of \_\_\_\_\_\_\_ on center.
a. 4'
b. 5'
c. 6'
d. 7'
A

c. 6’

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18
Q 
[FOUNDATION WALLS]
Where a permanent wood foundation basement wall system is used, the wall shall be supported by a minimum \_\_\_\_\_\_\_ footing plate resting on gravel or crushed stone fill a minimum of \_\_\_\_\_\_ in width.
a. 2X6, 12"
b. 2X8, 16"
c. 2X12, 16"
d. 2X12, 24"
A

b. 2X8, 16”

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19
Q 
[FOUNDATION DRAINAGE]
Required foundation drains of gravel or crushed stone shall extend a minimum of \_\_\_\_\_\_ beyond the outside edge of the footing and \_\_\_\_\_ above the top of the footing.
a. 6", 4"
b. 6", 6"
c. 12", 4"
d. 12", 6"
A

d. 12”, 6”

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20
Q 
[FOUNDATION DRAINAGE]
On graded sites, the top of any exterior foundation wall shall extend a minimum of \_\_\_\_\_ above the elevation of the street gutter or other approved drainage discharge point.
a. 6" plus 1%
b. 6" plus 2%
c. 12" plus 1%
d. 12" plus 2%
A

d. 12” plus 2%

[IRC R403.1.7.3]

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21
Q

[FOUNDATION DRAINAGE]
Drains shall be provided around all concrete or masonry foundations that retain earth & enclose habitable or usable spaces located below grade. (TRUE/FALSE)

A

TRUE

[IRC R405.1]

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22
Q

[FOUNDATION WATER PROOFING & DAMP PROOFING]
Where waterproofing of a masonry foundation wall is necessary due to presence of a high water table, a minimum membrane thickness of _______ is required if the waterproofing material is polymer-modified asphalt.
a. 6-mil
b. 16-mil
c. 30-mil
d. 40-mil

A

d. 40-mil

[IRC R406.2]

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23
Q

[FOUNDATION WATER PROOFING & DAMP PROOFING]
In the areas where a high water table or other severe soil-water conditions are known to exist, exterior foundation walls that retain earth & enclose interior spaces & floors below grade shall be waterproofed from the top of the footing to the finished grade (TRUE/FALSE)

A

TRUE

[IRC R406.2]

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24
Q

[FOUNDATION WATER PROOFING & DAMP PROOFING]
Walls shall be waterproofed in accordance with which of the following:
a. 2-ply hot-mopped felts.
b. 55 lb (25 kg) roll roofing
c. 6-mil (0.15 mm) polyvinyl chloride (PVC)
d. ALL OF THE ABOVE

A

d. ALL OF THE ABOVE

[IRC R406.2]

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25
Q

[FOUNDATION WATER PROOFING & DAMP PROOFING]
Except where required to be waterproofed, foundation walls that retain earth & enclose interior spaces & floors below grade shall be dampproofed from the top of the footing to the finished grade (TRUE/FALSE)

A

TRUE

[IRC R406.1]

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26
Q

[FOUNDATION WATER PROOFING & DAMP PROOFING]

Wood foundations enclosing habitable or usable spaces located below grade DO NOT need to be dampproofed (TRUE/FALSE)

A

FALSE
[IRC R406.3]

“Wood foundations enclosing habitable or usable spaces located below grade SHALL be dampproofed”

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27
Q

[FOUNDATION WATER PROOFING & DAMP PROOFING]
Concrete walls shall be dampproofed by applying which of the listed dampproofing materials below:
a. Bituminous coating
b. 3 lbs/sq in yard (1.63 kg/m2) of acrylic modified cement
c. 1/8 in (3.2 mm) coat of surface-bonding cement complying with ASTM-C-887
d. ALL OF THE ABOVE

A

d. ALL OF THE ABOVE

[IRC R406.1]

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28
Q 
[COLUMNS] 
[TEST QUESTION]
What is one common column problem?
a. Settled
b. Columns usually don't have problems
c. Straight
d. Installed under a balcony
A

a. Settled

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 293]

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29
Q 
[COLUMNS]
[TEST QUESTION]
How wide should the top of the column be, relative to the width of the beam above?
a. The width
b. A smaller width
c. The same width
d. Double the width
A

c. The same width

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 296]

30
Q 
[COLUMNS]
Columns transfer live & dead loads \_\_\_\_\_\_\_
a. from sub-floors to foundations
b. from beams to footings
c. from joists to soil directly
d. from sub-floors to joists
e. from sub-floors to footings
A

b. from beams to footings

31
Q 
[UNDER FLOOR SPACE]
As a general rule, the under-floor space between the bottom of the floor joists and the earth shall be provided with ventilation openings sized for a minimum net area 1 sq ft for each\_\_\_\_\_\_  of under-floor area.
a. 100 sq ft
b. 120 sq ft
c. 150 sq ft
d. 200 sq ft
A

c. 150 sq ft

[IRC R408.2]

32
Q 
[UNDER FLOOR SPACE]
Access to under-floor space through a perimeter wall shall be provided by a minimum \_\_\_\_\_ access opening.
a. 16" by 20"
b. 16" by 24"
c. 18" by 24"
d. 18" by 30"
A

b. 16” by 24”

[IRC R408.4]

33
Q 
[UNDER FLOOR SPACE]
Ventilation openings providing under-floor ventilation shall be located so that at least one such opening is installed a maximum of \_\_\_\_\_\_, of each corner of the building.
a. 2'
b. 3'
c. 5'
d. 6'
A

b. 3’

[IRC R408.1]

34
Q

[SCENARIO #1]
[TEST QUESTION]
When looking at cracks, there are 8 questions you should ask yourself as a general approach. What are 4 of those questions?
a. What kind of floor is it? What has moved? Which way has it moved? How far?
b. What kind of wall is it? When did it move? Which way has it moved? How far?
c. What kind of wall is it? What has moved? Which way has it moved? How far?
d. What kind of floor is it? What has moved? Why has it moved? How fast?

A

c. What kind of wall is it? What has moved? Which way has it moved? How far?

35
Q

[SCENARIO #2]
Ceiling joists are often not continuous from one side of the building to the other. In this case, they spliced over a central bearing wall. Why do they have to be securely tied together?
a. Ceiling joists help prevent collar ties & the tops of walls from being pushed outward by live loads on the roof. Ceiling joists are often in tension, running from the bottom of one rafter to another. They must be continuous to resist these forces.
b. Ceiling joists help prevent rafters & the bottom of walls from being pushed outward by live loads on the roof. Ceiling joists are often in tension, running from the bottom of one rafter to another. They must be continuous to resist these forces.
c. Ceiling joists help prevent rafters & the tops of walls from being pushed outward by live loads on the roof. Ceiling joists are often in tension, running from the bottom of one rafter to another. They must be continuous to resist these forces.
d. Ceiling joists help prevent purlins & the tops of walls from being pushed outward by live loads on the roof. Ceiling joists are often in tension, running from the bottom of one rafter to another. They must be continuous to resist these forces.

A

c. Ceiling joists help prevent rafters & the tops of walls from being pushed outward by live loads on the roof. Ceiling joists are often in tension, running from the bottom of one rafter to another. They must be continuous to resist these forces.

36
Q

[SCENARIO #3]
What would you tell a client about a retaining wall that is leaning over, but not broken, cracked or damaged?
a. It is impossible to tell from a single visit if the wall is in danger of collapse.
b. It is easy to tell as an inspector, from a single visit, if the wall is in danger of collapse.
c. It is impossible to tell from a single visit if the wall is in danger of collapse. Straight walls with no cracks or buckling should be further investigated by a specialist.
d. It is impossible to tell from a single visit if the wall is in danger of collapse. Leaning walls with no cracks or buckling should be further investigated by a specialist.

A

d. It is impossible to tell from a single visit if the wall is in danger of collapse. Leaning walls with no cracks or buckling should be further investigated by a specialist.

37
Q

[TEST QUESTION]
Why might a damaged foundation move suddenly after a heavy rain?

a. increase in pressure, or swelling of expansive soils.
b. increase in hydrostatic pressure, or swelling of expansive soils.
c. increase in hydrostatic pressure, or swelling of soils.
d. increase in pressure, or downwarping of expansive soils.

A

b. increase in hydrostatic pressure, or swelling of expansive soils.

38
Q

[TEST QUESTION]
Why are rotted sills a problem?

a. Rotted sills may be crushed & lead to settlement.
b. Rotted sills often mean rotted sub floors.
c. Rotted sills mean the house frame is not well anchored to the foundation.
d. Rotted sills mean the house roof structure is not well anchored to the foundation.

A

c. Rotted sills mean the house frame is not well anchored to the foundation.
[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 290]

39
Q

[TEST QUESTION]
What is the name of an engineered wood product used for beams?

a. Glulams
b. LVL - Laminated Varnish Lumber
c. LSL - Laminated Strut Lumber
d. PSL - Perpendicular Strand Lumber

A

a. Glulams

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 299]

40
Q

[TEST QUESTION]
Rusting steel lintels over windows cause what kind of masonry crack patterns?

a. Horizontal cracks usually radiating out from the corners of the window. Occasionally there are vertical cracks over the corners of the windows.
b. Horizontal cracks usually springing out from the corners of the window. Occasionally there are vertical cracks over the corners of the windows.
c. Horizontal cracks usually racing out from the corners of the window. Occasionally there are vertical cracks over the corners of the windows.
d. Horizontal cracks usually popping out from the corners of the window. Occasionally there are vertical cracks over the corners of the windows.

A

a. Horizontal cracks usually radiating out from the corners of the window. Occasionally there are vertical cracks over the corners of the windows.
[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 346]

41
Q

[TEST QUESTION]
What is a Floating Slab?

a. A floating slab is supported by the joist & independent of perimeter foundations.
b. A floating slab is supported by the ground & on perimeter foundations.
c. A floating slab is not supported by the ground & independent of perimeter foundations.
d. A floating slab is supported by the ground & independent of perimeter foundations.

A

d. A floating slab is supported by the ground & independent of perimeter foundations.
[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 261]

42
Q

[TEST QUESTION]
What is a Monolithic Slab?

a. Monolithic Slab may be an integral part of the slab.
b. Monolithic Slab may be an integral part of the footing.
c. Monolithic Slab may be an integral part of the foundation wall.
d. Monolithic Slab may be an integral part of the perimeter.

A

b. Monolithic Slab may be an integral part of the footing.

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 263]

43
Q

[TEST QUESTION]
Crawlspaces may be built very similar to ______ ?

a. Monolithic Slab
b. Floating Slab
c. Basements
d. Split level homes

A

c. Basements

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 261]

44
Q

[TEST QUESTION]
Foundations often serve as the _____ floor, as well as the support for the house_____.

a. building, loads
b. framed, floors
c. building, walls
d. load, floors

A

a. building, loads

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 261]

45
Q

[TEST QUESTION]
A column may go through the slab & ______ _____ may be provided for the column.

a. ground, support
b. a separate, footing
c. joist, beams
d. a separate, beams

A

b. a separate, footing

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 263]

46
Q

[TEST QUESTION]
______ ______ are usually concrete beams that are supported on footings, piles or piers & located at grade.

a. Brick veneer
b. Column beams
c. Common walls
d. Grade beams

A

d. Grade beams

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 267]

47
Q

[TEST QUESTION]
Most cracks due to differential movement are ______.

a. horizontal
b. vertical
c. side-to-side
d. hidden

A

b. vertical

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 273]

48
Q

[TEST QUESTION]
Crushing of materials is usually an indicator of _____.

a. downwarping
b. shrinkage
c. rotation
d. heaving

A

d. heaving

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 274]

49
Q

[TEST QUESTION]
______ refers to upward movement of the building/house.

a. Downwarping
b. Heaving
c. Soil drying
d. Moisture in wood

A

b. Heaving

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 274]

50
Q

[TEST QUESTION]
Common beam problems on porches include all of the following EXCEPT:

a. checking
b. sag
c. poor end support
d. rot or insect damage

A

a. checking

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 300-301]

51
Q

[TEST QUESTION]
Masonry walls are strongest in:

a. Compression
b. Tension
c. Bending
d. Tenths

A

a. Compression
[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 300-301]

“Masonry walls are a good deal weaker in TENSION than they are in COMPRESSION.”

52
Q

[TEST QUESTION]
Longer studs are more susceptible than conventional length studs to:

a. Settling
b. Rotting
c. Leaning
d. Bowing or Buckling

A

d. Bowing or Buckling

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 336]

53
Q

[TEST QUESTION]
What is best used to patch concrete or masonry walls?

a. Cement
b. Gypsum
c. Plaster
d. Epoxy/Elastomeric

A

d. Epoxy/Elastomeric

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 284]

54
Q

[TEST QUESTION]
When veneer is used, concrete & masonry foundations, shall extend a minimum ____ above finished grade

a. 12’’
b. 10’’
c. 6’’
d. 4’’

A

c. 6’’

[IRC R404.1.6]

55
Q

[TEST QUESTION]
On a steel beam, rust is most likely to be found:

a. on the top
b. on the end
c. in the middle
d. in the web

A

b. on the end

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 301]

56
Q

[TEST QUESTION]
The implications of failed sills include all of these EXCEPT:

a. the house shifting or overturning
b. sloped or sagging floors
c. heaved floors
d. differential settlement

A

c. heaved floors

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 291]

57
Q

[TEST QUESTION]
More serious cracks tend to be:

a. horizontal
b. diagonal
c. vertical
d. in more than one place

A

a. horizontal (Best answer)
[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 275]
[CSRE Book-3, Pg. 24]
Quizlet

58
Q

[TEST QUESTION]
What is the greatest limiting factor in a structural investigation?

a. Structural components hidden below grade or behind finishes.
b. Age of structure
c. Structural material used
d. Structural design

A

a. Structural components hidden below grade or behind finishes. (Best answer) (Quizlet)

59
Q

[TEST QUESTION]
What does a hollow sound on the garage floor indicate?

a. SOIL under the slab. The slab is now SUSPENDED
b. SETTLED SOIL under the slab. The slab is now SUPPORTED
c. SETTLED SOIL under the slab. The BEAM is now SUSPENDED
d. SETTLED SOIL under the slab. The slab is now SUSPENDED

A

d. SETTLED SOIL under the slab. The slab is now SUSPENDED (Best answer)

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 123]

60
Q

[TEST QUESTION]
Dramatic slope is less important if the ground surface is:

a. Asphalt
b. Crete
c. Dirt
d. Rubber

A

a. Asphalt

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 130]

61
Q

[TEST QUESTION]
Briefly describe a common foundation drainage material.

a. A BLUE plastic dimpled membrane that acts to relieve HYDROSTATIC pressure in the soil.
b. A BROWN plastic dimpled membrane that acts to relieve HYDROSTATIC pressure in the soil.
c. A BLACK plastic dimpled membrane that acts to relieve HYDROSTATIC pressure in the soil.
d. A BLACK plastic dimpled membrane that acts to relieve STATIC pressure in the soil.

A

c. A BLACK plastic dimpled membrane that acts to relieve HYDROSTATIC pressure in the soil. (Best answer)

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 131]

62
Q

[TEST QUESTION]
To work well, a foundation drainage layer requires:

a. Meter drainage tile
b. Perimeter drainage tile
c. Interior Meter drainage tile
d. Drainage tile

A

b. Perimeter drainage tile

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 132]

63
Q

[TEST QUESTION]
What are 3 disadvantages of downspouts discharging above grade?

a. Traffic problems at building CORNERS, they must be moved or lifted to cut the grass, if drainage is POOR the water can DRAIN away from the house.
b. Traffic problems at building CORNERS, they must be moved or lifted to cut the grass, if drainage is POOR the water can POOL near the house.
c. Traffic problems at building CORNERS, they must be moved or lifted to cut the grass, if drainage is GOOD the water can POOL near the house.
d. Traffic problems at building SIDING, they must be moved or lifted to cut the grass, if drainage is POOR the water can POOL near the house.

A

b. Traffic problems at building CORNERS, they must be moved or lifted to cut the grass, if drainage is POOR the water can POOL near the house.

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 144-145]

64
Q

[TEST QUESTION]
What are 3 disadvantages of downspouts discharging into drains below grade?

a. EASY to inspect, repair is EXPENSIVE, they may go into floor drains on old houses which can flood the basement if the floor DRAIN TRAP is clogged, collapsed or broken.
b. TOUGH to inspect, repair is EXPENSIVE, they may go into floor drains on old houses which can flood the basement if the floor DRAIN is clogged, collapsed or broken.
c. TOUGH to inspect, repair is INEXPENSIVE, they may go into floor drains on old houses which can flood the basement if the floor DRAIN TRAP is clogged, collapsed or broken.
d. TOUGH to inspect, repair is EXPENSIVE, they may go into floor drains on old houses which can flood the basement if the floor DRAIN TRAP is clogged, collapsed or broken.

A

d. TOUGH to inspect, repair is EXPENSIVE, they may go into floor drains on old houses which can flood the basement if the floor DRAIN TRAP is clogged, collapsed or broken.

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 144-145]

65
Q

[TEST QUESTION]
The top of the gravel in a window well should be ____ away from the window frame.

a. 4’’
b. 6’’
c. 7’’
d. 8’’

A

b. 6’’
[IRC R405.1] (Best Answer)
[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 150]

66
Q

[TEST QUESTION]
What are 2 possible problems that can arise from a large tree growing too close to a house.

a. Heave or push in the foundation, damage roofs
b. Damage roofs, level foundations
c. Roofs properly installed, push in the foundations
d. Weave or push in the foundations, damage roofs

A

a. Heave or push in the foundation, damage roofs

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 155]

67
Q

[TEST QUESTION]
What might a long stretch of new sod running from the front of the house to the street indicate?

a. A new sewer line
b. A new electrical or sewer line
c. A new water or sewer line
d. A new cable line or sewer line

A

c. A new water or sewer line (Best Answer)

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 155]

68
Q

[TEST QUESTION]
Ideally, weep holes in a solid retaining wall are at least ____ in diameter & not more than ____ apart.

a. 4’’, 4’
b. 4’’, 6’
c. 4’’, 8’
d. 4’’, 10’

A

d. 4’’, 10’ (Quizlet)
a. 4’’, 4’ (Internet)

(Not reference in books)

69
Q

[TEST QUESTION]
A good concrete garage floor slab is usually at least ____ thick & has ____ of well compacted gravel beneath it.

a. 3’’, 3’’
b. 3’’, 5’’
c. 3’’, 6’’
d. 3’’, 8’’

A

b. 3’’, 5’’

[Principles of Home Inspection, Systems & Standards, 3rd ed, Pg. 155]

70
Q

[TEST QUESTION]
Frost depth is measured from:

a. finish grade to top of footing
b. finish grade to bottom of footing
c. top of foundation to top of footing
d. top of foundation to bottom of footing

A

b. finish grade to bottom of footing (Best answer)

[IRC R301.2 & R403.1.4.1]

71
Q

[TEST QUESTION]
____ is the minimum depth of a slab on grade.

a. 3’’
b. 3 1/2’’
c. 4’’
d. 4 1/2’’

A

b. 3 1/2’’

[IRC R506.1]

72
Q

[TEST QUESTION]
What is a control joint on a concrete slab?

a. A SPLICE in the concrete installed to provide a STRESS concentration point so that if the slab cracks, it will crack here.
b. A GROOVE in the concrete installed to provide a STRESS concentration point so that if the slab cracks, it will crack here.
c. A GROOVE in the concrete installed to provide a concentration point so that if the slab cracks, it will crack here.
d. A GROOVE in the concrete installed to provide a CROSS concentration point so that if the slab cracks, it will crack here.

A

b. A GROOVE in the concrete installed to provide a STRESS concentration point so that if the slab cracks, it will crack here. (Best answer, no book reference)

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