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TONY: NC Contractor Exam > Carpentry & Building Construction > Flashcards

Carpentry & Building Construction Flashcards

1
Q

1 – When erecting batter boards, what is the minimum they should be set back from exterior walls?

A

4 feet

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2
Q

2 – Sometimes the top of the batter boards may represent which of the below?

A

Height of foundation walls

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3
Q

3 – Insulation has a paper vapor barrier, which side should the paper be placed?

A

Warm side

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4
Q

4 – When should a middle stringer be installed when building a set of stairs?

A

1 – When treads are less than 1 1/8 inch thick 2 – When stairs are more than 2’ 6” wide 3 – When the stairs are 30 inches wide 4 – Both 1 and 2

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5
Q

5 – When installing door stops, which should be installed first?

A

Lock side first

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6
Q

6 – As lumber dries it shrinks, which has the most shrinkage?

A

Width

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7
Q

7 – Reference point A is 5 feet and reference point B is 5 feet 6 inches. Which of the below are true?

A

B is 6 inches lower than A

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8
Q

8 – What is the correct order for hanging a bi-fold door?

A

– Install top track, fasten lower track to floor, insert pins in door, hang door and adjust

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9
Q

9 – When installing kitchen cabinets to a finished wall, what is the minimum the screws should penetrate the studs?

A

1 inch

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10
Q

10 – When is the correct time for installing batter boards?

A

After building corners are established

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11
Q

11 – A fascia board is attached to the:

A

Rafter Tails

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12
Q

12 – The layout for a rectangular building is square if the diagonal measurements are equal.

A

TRUE

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13
Q

13 – What is the minimum side lap for 6 inch beveled wood siding?

A

1 inch

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14
Q

14 – A contractor is installing some wall cabinets in a new home built with 2 x 6 studs. Some of the cabinets span only on a single stud. How are the cabinets attached to the wall?

A

With (2) # 10 screws in the single stud and at least (2) 3/16” x 3-1/2” toggle bolts

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15
Q

15 – All of the following are a part of the exterior wall except:

A

Bridging

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16
Q

16 – A stair stringer must have at least____ inches remaining after it has been notched.

A

3 ½

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17
Q

17 – A common rafter is designated 6/12, which of the following would be used for working with the hip rafter?

A

17-Jun

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18
Q

18 – What does the OSB stand for in reference to wall sheathing and sub flooring?

A

Oriented strand board

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19
Q

19 – The lumber that is found on a construction site that is used for general forming and framing is called:

A

Yard lumber

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20
Q

20 – On a 60 feet x 80 feet square building, what would the diagonal measure?

A

100 feet

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21
Q

21 – A triangle shaped truss with “W” shaped braces is known as:

A

Fink truss

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22
Q

22 – On a construction site when you install temporary corners for a building, they are known as which of the following?

A

Batter boards

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23
Q

23 – What is the procedure for correcting a warped stud?

A

1 – Use wedges 2 – Straighten with another stud 3 – Saw the hollow side 4 – All of these

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24
Q

24 – Which of the following would be the correct way to store gypsum board on a construction site?

A

Laid down flat in the center of largest room

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25
Q

25 – What is the average controlled temperature when finishing gypsum board?

A

55 to 70 degrees

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26
Q

26 – What is the size of a 3 inch nail?

A

10D

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27
Q

27 – Which of the following plywoods would be considered exterior grade?

A

BB

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28
Q

28 – When using a transit level, which of the following is not true?

A

1 – 60 minutes equals one degree 2 – 360 degrees is a full circle 3 – 120 degrees equals 2 minutes 4* – One quadrant equals ¼ pi (3.14)

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29
Q

29 – If you have a gypsum board wall that exceeds 8’1” in height, what would be the proper way to apply the gypsum board?

A

Horizontal to studs

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30
Q

30 – A builder is installing an extra large bathtub (or Jacuzzi) in a bathroom that holds 200 gallons of water. How much should the contractor allow for the additional load just for the water?

A

1668 poundsWater weighs at 8.34 pounds per gallon

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31
Q

31 – Which of the below would best describe a drawing term (architectural or structural) for 24,000 pounds?

A

24 kipsWhen dealing in pounds, 1,000 pounds is 1 kip

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32
Q

32 – What would help in decreasing “nail pop” in gypsum board due to the shrinkage of the wood stud?

A

Use screws / shorter nails

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33
Q

33 – Always check the quantity and inspect for damage when Gypsum board arrives at the jobsite.

A

TRUE

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34
Q

34 – What is the weight of 175 pieces of 4 feet x 12 feet x ½” gypsum board?

A

18,480 pounds½ “gypsum board weighs 2.2 pounds per square foot.

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35
Q

35 – The door to a room is hinged on the left and opens out. What kind of door is this?

A

Left hand reversed

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36
Q

36 – What would be the maximum spacing on a floor joist if it will support 80 pounds per linear feet and the building load is 40 pounds per square feet?

A

24 inches on center

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37
Q

37 – What is the saw cut in a batter board called to hold the string?

A

Kerf

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38
Q

38 – What is the actual size of a 2” x 8” piece of lumber?

A

1 1/2” x 7 1/4”

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39
Q

39 – When installing fire retardant cedar shakes on a roof system, the roof sheathing shall be ____ lumber spaced on 10 inch centers.

A

1 x 4

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40
Q

40 – How many sheets of 4’ x 8’ plywood would be required to sheet a room that is 8 feet wide by 24 feet wide by 12 feet high?

A

24

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41
Q

41 – When roof rafters are spaced at 24 inches on center and the ceiling joists are spaced at 16 inches on center, where must the trusses fall in relationship to the joists?

A

5 inches

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42
Q

42 – When nailing 4’ x 8’ sheathing boards at edges and ends, nails should be spaced:

A

6 inches on center

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43
Q

43 – Nails to fasten plywood soffit should be spaced approximately ____inches on center.

A

6 inches

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44
Q

44 – When are the batter boards installed?

A

After building corners are established

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45
Q

The lay-out of a rectangle building is square if:

A

– The diagonal is equal

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46
Q

46 – The window information on a set of plans is located in a:

A

Schedule

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47
Q

47 – What type of gypsum board should be used in damp or wet areas?

A

Moisture resistant

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48
Q

48 – What is the maximum length that gypsum board is manufactured in?

A

14 foot

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49
Q

49 – Insulation that comes in pre-cut lengths of 4 and 8 foot would be what type?

A

Batt insulation

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50
Q

50 – Insulation has an R factor of 20, what would be the U factor?

A

.05 Formula:1 divided by R factor = U factor1 divided by U factor = R factor

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51
Q

51 – Which of the below would not be correct about a set of drawings?

A

1 – A horizontal line shows elevations 2 – A curved line shows circular motion 3 – A vertical line can be measured perpendicular from horizontal4 – Unknown answer (The first 3 are correct, the incorrect answer would be other than these three but I do not know it)

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52
Q

52 – Which of the below is the last large construction operation in the construction of a single dwelling house?

A

Finish flooring

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53
Q

53 – Certain building codes require fireblocking in walls that are over:

A

10 feet

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54
Q

54 – What is the depth dimension of wall and base cabinets?

A

12 and 24 inches

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55
Q

55 – When is the proper time to damp proof foundation walls?

A

Before walls are backfilled

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56
Q

When is the door stops installed?

A

After the door is in place

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57
Q

57 – Which of the materials below would not be suited for hardwood slat flooring?

A

1 – Maple2 – Birch3* – Fir4 – Beech

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58
Q

58 – Which of the below would not be a correct joint location for nailing a fascia board?

A

1 – Rafter tails2 – At house corners3 – In the center of the house4* – In between rafter tails

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59
Q

59 – Which of the below is the only item left to construct after installing finish flooring?

A

Final interior trim

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60
Q

60 – How many days of acclimation does wood flooring need prior to installing?

A

4 to 5 days

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61
Q

61 – Which of the below materials would not require wall sheathing prior to final covering?

A

Plywood

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62
Q

Using a 1/4” scale, what does 3 1/2” represent?

A

14 feet

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63
Q

On a blueprint, lines that terminate with arrows are:

A

Dimension lines

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64
Q

Which blueprint page shows the building with boundaries?

A

Plot or site plan

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65
Q

Which blueprint page shows window and door placement?

A

Floor plan

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66
Q

Which page of the blueprint shows the external views of the structure?

A

Elevation

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67
Q

What part of the blueprint designates the brand and model number of a window?

A

Window schedule

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68
Q

The difference in elevation between the basement and the first floor is 9’4”. The top tread is a full tread, how many treads will the stairs have?

A

15

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69
Q

If the sheet of plywood has a 32/16 panel identification index, it may be used as a floor decking with a maximum span of?

A

16” inches

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70
Q

Concrete is made of what four parts?

A

Cement, sand, gravel, and water

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71
Q

What material impacts the strength of concrete the most?

A

Aggregate

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72
Q

In order to slow set up, what would be added to the concrete?

A

Retarding admixture

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73
Q

What is added to concrete to control strength, durability and watertightness?

A

Water

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74
Q

The wetter the concrete, the:

A

Greater the slump

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75
Q

The best way to remove air from concrete:

A

Vibrate

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76
Q

How thick is a #5 rebar?

A

5/8”

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77
Q

Which tool measures horizontal angles only?

A

Builders or dumpy level

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78
Q

When laying out a building, what do you use as a starting point?

A

Benchmark

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79
Q

If the layout for a rectangular building is square, then which is true?

A

The diagonals are equal

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80
Q

You do not install batter boards until:

A

The grading corners have been stablished

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81
Q

If the run of the standard rafter is 12’, what is the run of the king hip?

A

17’ Feet

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82
Q

The first board of tongue and groove flooring should be installed how many inches from the frame wall and which side of the board should face the wall?

A

1/2” inch, groove

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83
Q

What is the minimum distance batter boards can be placed from the point of excavation?

A

4’ Feet

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84
Q

What does the top of the batter board represent?

A

The height of the foundation wall

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85
Q

In surveying, if rod “A” reads 5’ and rod “B” reads 5’ 6”, then:

A

groundbpoint “A” is 6” higher than groundpoint “B”

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86
Q

What is the formula for estimating the excavation material volume in cubic yards?

A

L x W x D / 27

87
Q

Footings do not directly support:

A

Lintels

88
Q

The sides of footings are molded by boards referred to as:

A

Haunch boards

89
Q

What is used to hold foundation wall forms together?

A

Snap ties

90
Q

What is used over window and door openings in a concrete block wall?

A

Lintel

91
Q

A standard mortar joint in block construction is how wide?

A

3/8” inch

92
Q

The typical exposure while using roll roofing is how many inches?

A

17” inches

93
Q

What is the nominal size of a standard block?

A

8” x 8” x 16”

94
Q

Unused mortar should be discarded after:

A

2 1/2 hours

95
Q

When lumber dries, it tends to shrink:

A

More in width than length

96
Q

When a piece of lumber is cut along the natural age ring, it is called:

A

Ring Shake

97
Q

The curve or camber on glulam beams should be:

A

Placed up or on top

98
Q

What is the minimum quality of plywood that can be used for a concrete form?

A

B - B

99
Q

Horizontal members that carry the heaviest load of attached horizontal members are called:

A

Girders

100
Q

Subfloor plywood underlayment spacing is:

A

1/8” on ends and sides

101
Q

The main support under a wood deck is called a:

A

Girder

102
Q

A built-up girder should have how many inches clearance between the end of the girder and the masonry in a masonry pocket?

A

1/2” inch

103
Q

The standard height of an interior door is:

A

6’ 8”

104
Q

The correct order for hanging a bifold door is:

A

Top track first, then fasten the lower track to the floor directly under the top track

105
Q

What is the door hinge size for a 1 3/8” interior door?

A

3 1/2” x 3 1/2”

106
Q

Door installations call for installing the door stop:

A

Lock side first

107
Q

The proper installation of drip edge calls for it to be installed:

A

Under the underlayment at the eaves, but over the underlayment at the rake

108
Q

How many bundles of shingles are there in a square of 3 tab shingles?

A

3

109
Q

What is the strip nailed to the end of the rafter?

A

Fascia

110
Q

When installing plywood soffit, nails should be installed how far apart?

A

6” apart

111
Q

Metal gutters are attached to the:

A

Fascia

112
Q

Gutter splash blocks should be at least how long?

A

3’ long

113
Q

Siding boards cut during installation should be treated with:

A

Water repellant

114
Q

What should be installed between the foundation and the brick at finish grade?

A

Flashing

115
Q

A third stair stringer should be installed when stairs exceed what width?

A

2’ 6”

116
Q

How long should the screws be to fasten 3/4” thick cabinets to studs covered with 1/2” drywall?

A

2 1/4”

117
Q

When installing three tab shingles, no nails should be placed within how many inches of a valley?

A

6” inches

118
Q

When using roll roofing, the strip should be nailed so that it overhangs the edge by a minimum of:

A

1/4” inch

119
Q

A stair stringer must have ______ inches remaining after it has been notched.

A

3 1/2” inches

120
Q

In constructing a stack bond pattern block wall, what additional step is required that is NOT needed with a common bond wall?

A

Joint reinforcement must be added to every second course

121
Q

A contractor is building a 40’ x 24’ single story house with a 6/12 straight gable roof and 96” from sole plate to top plate. How many 4’ x 8’ sheets of wall sheathing are required? Do not deduct openings or add waste. — 37

A

37

122
Q

What angle does the valley rafter form with the main ridge board in a roof of uniform pitch?

A

45 degrees

123
Q

All of the following are part of an exterior frame wall EXCEPT:

A

Bridging

124
Q

A contractor is installing wall cabinets in a new home built with 2 x 6 studs. Some of the cabinets span only a single stud. How are the cabinets attached?

A

With two #10 screws into the single stud and at least two 3/16” x 3 1/2” toggle bolts through the drywall

125
Q

An 18’ long, 2” x 4” fir stud wall has double top plates, a single bottom plate and fourteen 8’ studs. Fir costs $520 per thousand board feet. How much does the lumber for this wall costs? Do not allow for waste.

A

$59Carpentry Page 63 Board feet calculation is on page 63. Number of pieces X thickness (inches) X width (inches) X length (feet) all divided by 12 18 x 3 = 54 54/8 = 6.75 = number of pieces for top and bottom plates (round up to 7 pieces) 14 studs So 21 pieces total 21 x 2 x 4 x 8 = 1344 1344/12 = 112 board feet total 1000 (board feet for pricing) / 112 (actual board feet) = 8.93 $520 (cost per 1000 bf) / 8.93 = $58.23 OR $520 / 1000 = $0.52 per board foot x 112 = $58.24

126
Q

The plans for a family room call for 12” x 24” acoustical ceiling tiles glued in place over gypsum board. The room is 13’ 6” x 18’ 6”. What size border tile are needed for the short wall?

A

6” inches

127
Q

When precise information is needed about a small or complex portion of the building, what would you look for on the plan?

A

A detail section

128
Q

How many board feet are in a 2 x 4 x 12?

A

8

129
Q

What type of door consists of stiles and rails?

A

Raised panel door

130
Q

Radiating stair treads are also known as:

A

Winders

131
Q

What is the horizontal length of a stairway called?

A

Total run

132
Q

How tall is a kitchen base cabinet?

A

34 1/2” inches

133
Q

How deep is a kitchen base cabinet?

A

24” inches

134
Q

How deep is a kitchen wall cabinet?

A

12” inches

135
Q

When installing insulation, how should the vapor barrier be installed?

A

To the warm side of the house

136
Q

How long should wood flooring be stored in the building in which it is going to be installed to allow for proper acclimation?

A

4 days

137
Q

What type of product is used as a base for tile and shower stalls?

A

Backerboard

138
Q

How do you calculate cubic feet?

A

Length in feet x width in feet x thickness in feet

139
Q

How do you calculate cubic yards?

A

Length in feet x width in feet x thickness in feet, divided by 27

140
Q

One square of 235 lb shingles will cover how many square feet and weigh how much?

A

100 sq feet, 235 lbs

141
Q

If you have sixteen 2X6 boards that are 8 foot long how many board feet do you have?

A

128 Board Feet

142
Q

A tool that can be used to cut crescent shaped grooves into the edge of molding to form a joint?

A

Plate or Biscuit Joiner

143
Q

What is a leveling rod used to measure?

A

The difference in elevation between two points

144
Q

When surveying, 2 degrees of measurement would equal?

A

120 Minutes

145
Q

What would the diagonal measurement be on rectangle building that is 60 foot wide by 80 foot long?

A

— 100 feet

146
Q

A widened base that supports foundation walls is a?

A

Footing

147
Q

Before you backfill a concrete wall you must?

A

Dampproof the wall

148
Q

In constructing a stack bond pattern block wall, what additional step is required that is NOT needed with a common bond wall?

A

Joint reinforcement must be added to every second course

149
Q

How many 8X8X16 concrete blocks would be needed on a 800 square foot wall?

A

880 blocks

150
Q

How much mortar would be required for a 600 square foot wall using 8X8X16 concrete blocks?

A

— 19.5 Cu. Foot

151
Q

What type of wood has the lowest resistance to decay?

A

Untreated Sapwood

152
Q

What does OSB stand for?

A

Oriented-Strand-board

153
Q

Glulam (Glue-Laminated) beams should not be _______ or _______ unless they were designed to be:

A

Notched or Drilled

154
Q

What type of wall is designed to add strength to a house?

A

— Shear Wall

155
Q

How long is a 16d nail?

A

3.5 inch

156
Q

What part of a joist may not be notched?

A

The middle 1/3

157
Q

How many sheets of 4’ X 8’ plywood are required to cover a room that is 8’ wide by 24’ long and 12’ high?

A

24 Sheets

158
Q

Fireblocking may be required if a wall is over _____ high?

A

10’ Feet

159
Q

The unit run measurement for a rafter that is attached to the ridge at a 90 degree angle is?

A

12” inches

160
Q

The unit run measurement for a rafter that is attached to the ridge at a 45 degree angle is?

A

17” inches

161
Q

The ends of all ceiling joist must rest on no less than?

A

1.5” bearing on wood framing, or 3” if bearing in masonry

162
Q

A triangle shaped truss with “W” bracing is called?

A

Fink Truss

163
Q

If the run of the standard rafter is 12’, what is the run of the king hip?

A

17’ Feet

164
Q

When installing roof sheathing nail spacing at the edge of the panel should be spaced?

A

6” Inches

165
Q

A door that is hinged on the right side and opens out is a?

A

Right hand door

166
Q

For roll roofing, roll paper endlaps should be offset by how many inches?

A

6” inches

167
Q

On a roof, what is the strip nailed to the end of the rafter?

A

Fascia

168
Q

If plywood is used as an exterior wall covering?

A

Sheathing is not required

169
Q

What type of insulation is thick and pre-cut to fit in-between framing members?

A

Batt

170
Q

Drywall that is used in bathrooms or high moisture areas?

A

MR (Green Board)

171
Q

Veneer plaster is applied to what type of drywall, which has an absorbent face?

A

Blue board (gypsum base)

172
Q

The last large construction operation in a home is what?

A

Installing of a finished floor

173
Q

Housewraps have high-density polyethylene fibers that allow _______ to pass through but not ________?

A

Vapors can pass but not water

174
Q

The measure of a materials ability to resist heat transmission?

A

R Value

175
Q

Nail pops are greatly reduced if the moisture content of the framing is less than ____ at the time the drywall is installed?

A

19%

176
Q

What is the drying time of joint compound if the temperature is 80 degrees and the relative humidity is 60%?

A

13.5 hours

177
Q

What influence do below freezing temperatures have curing concrete?

A

A longer time is needed

178
Q

In concrete work, a welded wire matt is placed where and for what reason?

A

Placed in the upper part of the slab to prevent cracks from opening

179
Q

Where are floor joist doubled when using a 1/2 inch subfloor?

A

Where a partition is to run parallel to the floor joist

180
Q

An enclosed area measuring 12’ x 16’ x 8’ high will need 1/2 inch plywood floor decking. An enclosed area measuring 16 x 16 x 8’ high will need 3/4 inch plywood floor decking. The costs are $12 per sheet for half inch plywood and $20 per sheet for the 3/4 inch plywood. What is the total cost for all the plywood?

A

Between $225 and $250

181
Q

What is a ledger?

A

The length of lumber that connects a deck to a house

182
Q

How should a wood door jamb be installed?

A

So the outer edges are flush with the finished wall

183
Q

What is used to fasten formed metal gutters to fascia?

A

Wrap around hangers

184
Q

How many straps are necessary to attach a gutter downspout

A

2 Straps

185
Q

What is the common thickness of load bearing walls

A

18G and 29G

186
Q

When does condensation form?

A

Warm air hits a cool surface

187
Q

Finish flooring should be installed immediately after the completion of what procedure?

A

All other work, except final interior trim

188
Q

If trusses are stored horizontally for more than one week, blocking should be spaced:

A

On 8 - 10 foot centers

189
Q

What is the maximum allowable deflection when handling wood trusses?

A

6 inches in 20 feet

190
Q

When unloading trusses with a crane, the operator should not:

A

Attach to web members

191
Q

The minimum size lumber used as Lateral Restraint and Diagonal Bracing for wood trusses is:

A

2 x 4

192
Q

The location of trusses along their bearing support must be within what tolerance of the plan dimension

A

+ or - 1/4”

193
Q

What is the out of plumb tolerance for a truss with a 6’ rise?

A

1 1/2”

194
Q

Which is the proper placement of plywood when stacking on trusses?

A

Place over load bearing walls

195
Q

Minimum temporary bracing should always include:

A

Lateral and diagonal bracing

196
Q

What is the proper way to nail diagonal web bracing?

A

Use (2) 16d nails at each nailing point

197
Q

What is the maximum allowable spacing for diagonal bracing along top chords?

A

20 feet

198
Q

Can loads be placed on unbraced trusses?

A

NO

199
Q

If jobsite modification of a truss is needed:

A

Consult a professional prior to cutting

200
Q

What is the maximum allowable spacing for diagonal bracing along bottom chords?

A

15 feet

201
Q

When lifting trusses, only connect to the:

A

Top chord with a closed loop attachment

202
Q

What is the minimum number of lift points for single trusses up to 30’?

A

2

203
Q

The minimum ground bracing connections should consist of:

A

Two 16d nails clinched

204
Q

A 25 foot truss should not be installed if it has an overall bow that is greater than how many inche

A

1 ½”

205
Q

What is the maximum spacing for TEMPORARY bottom chord lateral restraint?

A

15’

206
Q

What is the maximum spacing for PERMANENT bottom chord lateral restraint?

A

10’

207
Q

What is the minimum requirements for lateral restraints

A

2” x 4”, lapped over two trusses

208
Q

All later restraint and diagonal bracing material should be made of what type of lumber?

A

2” x 4”

209
Q

How many nails should be used to attach each brace and/or lateral restraint to each truss?

A

2

210
Q

How should web diagonal braces be installed

A

At 45 degree angles and nailed with a minimum of two nails at each end and at each intersecting truss web.

211
Q

Diagonal bracing is required at each end of truss row and every _____ truss spaces?

A

10 truss spaces

212
Q

Temporary restraint and bracing connections shall be made with a minimum of how many nails

A

Two 16d nails

213
Q

If trusses are stored for more than one week they shall be protected from the environment but must have what?

A

Adequate ventilation

214
Q

What is the minimum size restraint / bracing material?

A

2x4 stress-grade lumber

TONY: NC Contractor Exam (13 decks)

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