Floor Systems

Front 1

Specifications are a legally binding contract that provide written descriptions of the work to be performed and the materials to be used.

A. True

B. False

Back 1

A. True

Front 2

Which of the following is NOT shown on the foundation plans?

A. Footings

B. Room Layout

C. Foundation Walls

D. Grade Beams

Back 2

B. Room Layout

Front 3

Which of the following IS shown on the structural plan's for a commercial building?

A. Finish Schedules

B. Routing of electrical cables

C. Underground plumbing

D. Location, size, and spacing of anchor bolts

Back 3

D. Location, size, and spacing of anchor bolts

Front 4

General information about a drawing in a set of prints is located in the __________.

A. Detail Drawings

B. Section Drawings

C. Title Block

D. Architect's Stamp

Back 4

Title Block

Front 5

Most residential and light commercial construction uses __________.

A. Post-and-beam Framing

B. Platform Framing

C. Balloon Framing

D. Post Framing

Back 5

B. Platform Framing

Front 6

Which of the following is a key characteristic of balloon framing?

A. Full length studs that extend from the sole plate to the rafter plate

B. Large exposed beams

C. Spacious open areas

D. Each floor built as a separate platform

Back 6

A. Full length studs that extend from the sole plate to the rafter plate

Front 7

For post-and-beam framing, vertical supports are typically spaced __________.

A. 12" OC

B. 16" OC

C. 19.2" OC

D. 48" OC

Back 7

D. 48" OC

Front 8

The lowest members of a structure's frame are __________.

A. Joists

B. Beams

C. Sill Plates

D. Sole plates

Back 8

C. Sill Plates

Front 9

The distance between two outside walls is referred to as the __________.

A. Dead Load

B. Live Load

C. Span

D. Bearing Capacity

Back 9

C. Span

Front 10

Steel columns filled and reinforced with concrete are called ___________.

A. Jackscrews

B. Lally Columns

C. Joist Hangers

D. Piers

Back 10

B. Lally Columns

Front 11

The deflection at the center of a joist spanning 22' must not exceed __________.

A. 0.25"

B. 0.57"

C. 0.73"

D. 1.22"

Back 11

C. 0.73"

Front 12

In platform frame construction, the ends of all the joists are fastened to the __________.

A. Studs

B. Beam

C. Trimmer Joists

D. Header Joists

Back 12

D. Header Joists

Front 13

When installing cross-bridging, nail the bottom of the bridging in place first, but do not nail the top in place until the subfloor is installed.

True

False

Back 13

False

Front 14

Which of the following is NOT a purpose of the subfloor?

A. To add rigidity to a structure

B. To act as a barrier to cold & dampness

C. To provide a surface upon which to build the wall frames

D. To support the sill plate

Back 14

D. To support the sill plate

Front 15

When checking the foundation for squareness, if the measured lengths of the opposite walls are equal and the diagonal measurements are unequal, the foundation is square.

True

False

Back 15

False

Front 16

The distance between the end of a sill and the first anchor bolt should be no greater than __________.

A. 12"

B. 24"

C. 36"

D. 48"

Back 16

A. 12"

Front 17

The nail size to be used when constructing built-up girders is __________.

A. 6D

B. 8D

C. 10D

D. 16D

Back 17

C. 10D

Front 18

When laying out joist locations, mark an "X" on the sill plate to indicate __________.

A. The center of the joist

B. The actual joist position

C. The actual stud location

D. The center of the beam

Back 18

B. The actual joist position

Front 19

When installing joists, ensure the crown points __________.

A. To the left

B. Down

C. Up

D. To the right

Back 19

C. Up

Front 20

In a 15' joist span, bridging should be installed at __________.

A. 4'

B. 6'

C. 7½'

D. 8'

Back 20

C. 7½'

Front 21

When installing a subfloor, the panels should be positioned so the joints are staggered.

True

False

Back 21

True

Front 22

If joists are to be cantilevered 4' beyond a foundation wall, the joists should be at least __________.

A. 6' Long

B. 8' Long

C. 10' Long

D. 12' Long

Back 22

D. 12' Long

Front 23

How many lineal feet of sill sealer are required for a building measuring 24' x 38' ?

A. 48 lineal feet

B. 76 lineal feet

C. 86 lineal feet

D. 124 lineal feet

Back 23

D. 124 lineal feet

Front 24

For a 24' x 38' building, how many lineal feet of 2x10's are needed to construct a built-up beam consisting of 3 plys?

A. 38 lineal feet

B. 76 lineal feet

C. 114 lineal feet

D. 152 lineal feet

Back 24

C. 114 lineal feet

Front 25

For a 20' x 40' building, how many 2x8 joists are required if they are spaced 16" OC and two rows of joists are required?

A. 20

B. 42

C. 62

D. 108

Back 25

C. 62

Front 26

For a 20' x 40' building, how many pieces of metal cross-bridging are required if one row of bridging is required for each span?

A. 20

B. 30

C. 60

D. 120

Back 26

C. 60

Front 27

For a 20' x 40' building, how many subfloor panels are required?

A. 16

B. 22

C. 25

D. 30

Back 27

C. 25

Front 28

Metal troughs that are embedded in concrete floor and used as feeder ducts for electrical power and telecommunication lines are referred to as __________.

A. Trench Ducts

B. Pedestals

C. Long Pans

D. Dome Pans

Back 28

A. Trench Ducts

Front 29

Which of these items would NOT be found in the specifications?

A. Methods of construction

B. Detail drawings

C. Types & qualities of building materials

D. Location of the structure

Back 29

B. Detail drawings

Front 30

On which construction drawing would you find the location and dimensions of grade beams?

A. Floor plan

B. Mechanical, electrical, and plumbing plans

C. Foundation plan

D. Site plan

Back 30

C. Foundation plan

Front 31

The drawings used in the construction of a building are legally the property of __________.

A. The city or other local government body

B. Various subcontractors

C. The general contractor

D. The building owner or architect

Back 31

D. The building owner or architect

Front 32

An item that requires special framing, such as HVAC ductwork, is shown on __________.

A. The architect's renderings

B. The floor plan

C. The mechanical, electrical, and plumbing plans

D. The foundation plan

Back 32

C. The mechanical, electrical, and plumbing plans

Front 33

What would NOT be included in a typical set of prints?

A. Architectural drawings

B. Structural drawing

C. TSOL drawings

D. MEP drawings

Back 33

C. TSOL drawings

Front 34

In balloon framing, the second floor joists sit on a __________.

A. Plate nailed to the top plate of the wall assembly below

B. 2x4 ledger nailed to the studs

C. Sill attached to the top of the wall assembly below

D. 1x4 or 1x6 ribbon let in to the wall studs

Back 34

D. 1x4 or 1x6 ribbon let in to the wall studs

Front 35

Shrinkage in wood framing members occurs mainly __________.

A. Lengthwise

B. Both lengthwise & across its width

C. Across its width

D. In the middle

Back 35

C. Across its width

Front 36

The platform frame used in modern residential and light construction is also known as the __________.

A. Stick-built frame

B. Chicago frame

C. Western frame

D. Stud and plate frame

Back 36

C. Western frame

Front 37

The method of construction that experiences a relatively large amount of settling as a result of shrinkage is __________.

A. Platform framing

B. Brace framing

C. Balloon framing

D. Post-and-beam framing

Back 37

A. Platform framing

Front 38

The construction method that features widely spaced, heavy framing members is __________.

A. Brace framing

B. Balloon framing

C. Platform framing

D. Post-and-beam framing

Back 38

D. Post-and-beam framing

Front 39

In a set of construction drawings, the details about the floor used in a building most likely will be defined in the __________.

A. Architectural drawings

B. Structural drawings

C. Mechanical plans

D. Site plans

Back 39

B. Structural drawings

Front 40

Large trusses, supported by posts at the building perimeter, are used in __________.

A. Post-frame construction

B. Clear-span construction

C. Post-and-truss construction

D. Tilt-up construction

Back 40

A. Post-frame construction

Front 41

For a given size, the type of girder with the least loadbearing strength is the __________.

A. Built-up

B. Solid lumber girder

C. LVL girder

D. Glulam girder

Back 41

A. Built-up girder

Front 42

For a given total load, if the span between its support columns is increased, the size of the girder __________.

A. Can be decreased

B. Must be increased

C. Can remain the same

D. Must be decreased

Back 42

B. Must be increased

Front 43

Concrete joist systems allow thinner floor slabs with high bearing capacities to be created.

True

False

Back 43

False

Front 44

Which of the following panels creates the least rigid subflooring?

A. Plywood

B. Oriented stand board (OSB)

C. Tongue-and-groove plywood

D. 1x6 boards

Back 44

D. 1x6 boards

Front 45

In areas where termites are a problem, a metal shield should be installed __________.

A. On top of the footing

B. Below the sill plate

C. Between the sill plate & the rim joist

D. Under the bottom wall plate

Back 45

B. Below the sill plate

Front 46

Building codes specify that, with a live load, downward deflection at the center of a joist must not exceed __________.

A. ¹/¹²⁵ of the span

B. ¹/²⁴⁰ of the span

C. ¹/³⁶⁰ of the span

D. ¹/⁴⁵⁰ of the span

Back 46

C. ¹/³⁶⁰ of the span

Front 47

Floor trusses consist of two primary components - chords and __________.

A. Webs

B. Flanges

C. Spacers

D. Stiffeners

Back 47

A. Webs

Front 48

A combined subfloor underlayment system used where direct application of carpet or tile is intended is referred to as __________.

A. Single-layer floor system

B. Two-layer floor system

C. Raised floor system

D. Access floor system

Back 48

A. Single-layer floor system

Front 49

The first task that should be performed when constructing a floor is to __________.

A. Lay out and install sill plates

B. Build & install girders and supports C. Check the foundation for squareness

D. Lay out sill plates & girders for joist locations

Back 49

C. Check the foundation for squareness

Front 50

When laying out the sill for joist locations 16" OC, the first measurement on the sill should be at __________.

A. 14¼"

B. 15⅜"

C. 16"

D. 15¼"

Back 50

D. 15¼"

Front 51

Use special nails when fastening treated lumber, because treatment chemicals can cause ordinary fasteners to __________.

A. Become brittle

B. Corrode

C. Stain the wood

D. Shrink

Back 51

B. Corrode

Front 52

The first floor should not be framed before the foundation is backfilled to allow the foundation to flex.

True

False

Back 52

False

Front 53

The number and size of nails and the nailing pattern for framing members is specified by the __________.

A. Construction Contract

B. International Residential Code

C. Building Inspector

D. American Residential Code

Back 53

B. International Residential Code

Front 54

Local codes regarding nailing schedules may vary.

True

False

Back 54

True

Front 55

Metal framing anchors may be used to attach the header and end joists to the sill plate in areas subject to _________.

A. EarthquakesB. HurricanesC. Flash FloodsD. Heavy Snow

Back 55

A. Earthquakes & B. Hurricanes

Front 56

When installing solid bridging, why are pieces staggered from one joist to the next?

A. To minimize squeaks

B. To permit end-nailing

C. To make most efficient use of material

D. To provide greater support

Back 56

B. To permit end-nailing

Front 57

How many lineal feet of sill material are needed for a building that measures 26' x 42'?

A. 84'

B. 94'

C. 136'

D. 188'

Back 57

C. 136'

Front 58

For a building that measures 26' x 42', how many 4' x 8' panels of subflooring material are needed?

A. 35

B. 48

C. 72

D. 96

Back 58

A. 35

Front 59

The air handling equipment placed in a commercial building would be considered part of the __________.

Back 59

Dead load

Front 60

Studs and joists are commonly installed at 16" __________.

Back 60

On center

Front 61

Before installing hardwood flooring, __________ would most likely be installed over the subfloor.

Back 61

Underlayment

Front 62

Masonry __________ may be used to support other structural members such as girders and beams.

Back 62

Piers

Front 63

A joist can be secured to the structure using a __________.

Back 63

Joist hanger

Front 64

The distance between structural supports of a floor system is known as the _________.

Back 64

Span

Front 65

The __________ is created with the header joists and end joists.

Back 65

Rim joist

Front 66

__________ lumber should be used for construction lumber.

Back 66

Seasoned

Front 67

In balloon framing, the studs must be blocked with approved _________.

Back 67

Fire stop

Front 68

Lumber in a floor system must be installed with the __________ up.

Back 68

Crown

Front 69

In platform construction, the ends of the common joists are attached to a __________ to form the band joist assembly.

Back 69

Header

Front 70

A __________ can be applied over a joint to strengthen it.

Back 70

Scab

Front 71

A metal or fiberglass __________ is used to create a one-way joist system.

Back 71

Long pan

Front 72

Notches in studs or joists used to support another piece are known as __________.

Back 72

Let ins

Front 73

In addition to the prints, the __________ should be referenced for additional information regarding the construction project.

Back 73

Specifications

Front 74

__________ is exerted against a foundation by the ground around it.

Back 74

Lateral pressure

Front 75

Every building is supported by a __________.

Back 75

Foundation

Front 76

The bottom horizontal member of a wall frame is known as the __________.

Back 76

Sole plate

Front 77

A metal or fiberglass __________ is used to create a 2-way joist system.

Back 77

Dome pan

Front 78

A rim and joist assembly is created with the header joists and one __________ on each side.

Back 78

End joist

Front 79

When framing rough openings, a __________ is installed at a 90° angle to the common joists and is commonly doubled.

Back 79

Header joist

Front 80

People and furniture are considered to be a __________ on a structure.

Back 80

Live load

Front 81

When carpet is the finished flooring material, a __________ could be used.

Back 81

Single-layer floor system

Front 82

Concrete structural members may be cast in place or __________ at a casting yard.

Back 82

Pre-cast

Front 83

When framing a stairway opening in a floor system, the __________ dimension is typically provided on the prints.

Back 83

Rough opening

Front 84

Above-grade concrete slabs are supported by __________ until the concrete sets.

Back 84

Shoring

Front 85

__________ run from an opening to a bearing.

Back 85

Tail joists

Front 86

Full length __________ reinforce rough openings in a floor system.

Back 86

Trimmer joists

Front 87

__________ are created when underlayment is installed over a subfloor.

Back 87

Two-layer floor systems

Front 88

The door __________ determines how the door opens into a room.

Back 88

Swing