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Red SEAL PREP > Soc Conc Formwork Test > Flashcards

Soc Conc Formwork Test Flashcards

1
Q

What is cement?

A

The binding agent in concrete the bonds aggregate together.

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2
Q

Whay Is hydration?

A

The chemical reaction between cement and water.

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3
Q

What is the name of the funnel shape widening at the top of round column?

A

Capital

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4
Q

What type of reinforcement are in stalled with vertical rebars when erecting round columns?

A

Spirals

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5
Q

What is slab on grade?

A

Is the slab that is poured on the ground

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6
Q

What is the diameter of number 6 rebar?

A

3/4 of an inch

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7
Q

What form ties are designed so the form can be reattached?

A

Coil ties

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8
Q

What is the name of the process of extending existing foundation to lower levels of the undisturb soil?

A

Underpinning

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9
Q

Formwork openings are built strong enough to withstand external pressure, But simple enough for what?

A

Ease of stripping

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10
Q

Where on a Wall form is the greatest pressure exerted?

A

At the bottom

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11
Q

What is done to keep concrete from sticking to the forms?

A

Apply oil to the forms.

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12
Q

What is the correct consistency for dry pack grout?

A

Squeeze it in your hand and it holds its shape.

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13
Q

Which of the following best defines the term dome Pan?

A

A form used to shape concrete floors slabs and Joists in a waffle pattern.

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14
Q

What are batter boards used for?

A

What touch building lines to

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15
Q

What are the minimum dimensions for planks to be used as scaffolding decking?

A

2 x 10 x 8

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16
Q

What is the name for members that hold sections of a form in a straight horizontal line?

A

WALERS

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17
Q

What is the caisson?

A

I steel pipe place in the ground and filled with concrete.

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18
Q

What are the bases of column forms generally positioned with?

A

Templates

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19
Q

What is used when construction and isolation joint between concrete stairs and a sidewalk?

A

Asphalt impregnated strip

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20
Q

Is the greatest advantage of snap Ties?

A

They can easily be broken off with a concrete

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21
Q

Where is the best location to brace a column form?

A

Near the top

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22
Q

What is the slump test perform for?

A

To test a consistency of concrete

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23
Q

What purpose does a poly vapour barrier serve under a slab on grade?

A

Stop this love from absorbing moisture through capillary action from the soil below

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24
Q

What volume of concrete would be required for around column that is 12’ 6” high and has a 1’ 8” in diameter

A

1.01 yd³ or 0.772 Cubic metre

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25
Q

What does the monolithic approach to Formwork Eliminate?

A

Construction joint

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26
Q

After plumbing a wall form at both ends, What is the best way to straighten a wall?

A

Use a string line and 3 even thickness spacer blocks

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27
Q

What is the location of a properly install weeping tile?

A

Outside the footing and below the bottom of the basement slab.

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28
Q

Taper tires are install to secure form, what remains in the world after it is stripped?

A

No tie steel remains cast into the concrete

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29
Q

What is the correct way to brace a rectangular column to prevent it from twisting?

A

2 angle braces perside on 2 sides 90ﾟ to each other

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30
Q

Which is the correct sequence for using assembling prefabricated column forms?

A

Rebar, Form, Anchor bolt template.

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31
Q

What is the minimum anchor bolt diameter used in residential construction?

A

Half an inch Or 12 . 7 mm

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32
Q

What do screeds do?

A

Guide finished level of concrete

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33
Q

At what depth the does and excavated trench with vertical side requires a letter to access it?

A

4’

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34
Q

In what location can footings be on omittedd according to the building code?

A

There piers

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35
Q

A batterd wallis 10’ long, 6’ high, 3’ wide at base, And 2’ Wide that the top. How much concrete you need to feel this form?

A

5.56 yd³ or 4.248 m³

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36
Q

How are Anchor bolts held in position until concrete has set?

A

Using templates.

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37
Q

Which of the following components are placed in forms to make racesses for beams?

A

Block outs

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38
Q

When forming starirs, what should the riser be sloped?

A

Acts as nosing on the finished stair.

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39
Q

How our door and window openings made in concrete walls?

A

By setting Bucs into the forms at the required positions.

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40
Q

Without making any cuts, How many 2’ wide 8’ tall panels would it take to form the outside of a foundation wall measuring 30 ‘X50’ ?

A

80

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41
Q

What should be done after pouring concrete?

A

Maintain temperature of concrete between 10ﾟc and 25ﾟc

42
Q

Which of the following can be used for laying out horizontal only angles and reading elevations?

A

Builders level

43
Q

What will happen if too much extra water is added on site to a concrete mix?

A

It will Become weaker

44
Q

Which of the following is used to shut off or stop a concrete pour in the wall?

A

BULK head

45
Q

According to the OHSA, What is the minimum height at which guardrails be provided on a scaffold?

A

8’

46
Q

What is a pilaster chamfer strip use for?

A

Keep corners from chipping

47
Q

Use the following information to answer question regarding a suspended slab form:
Slab Thickness = 6”
Aluminum joist and Stringer depth = 6 1/2 inch each
Form ply thickness = 3/4 Inch

If the elevation at the top of the slab needs to be 104.475’ , what should the elevation be for your U-heads?

A

102.829’

48
Q

Why are small removable sections provided at the bottom of forms?

A

To allow the form to be wash or blown out

49
Q

What is the purpose of providing bleeder holes in concrete formwork?

A

It allows trapped air to scape and voice that can be reach with a vibrator to be filled.

50
Q

Why are 3/4 inch square strips of wood sometimes use at inside corners of wall forms?

A

To keep stripping easier

51
Q

What is the best way to level fly forms?

A

Builders level

52
Q

A 20MX30M with rectangular building has a strip footing that is 600 mmwide and 200 Mm thick, With 200 MM thick wall centre on the footings. How many cubic metres of concrete will be required to build the footings?

A

11.9 m³

53
Q

What is the last operation when forming concrete stairs?

A

Attaching riser forms

54
Q

What is the minimum strength of concrete if it is to be used for our garage slab?

A

32MPA

55
Q

What are spandrel ties use for?

A

Secure vertical perimeter form in position

56
Q

What is the best description of ICF block’s?

A

FoAM face shells and plastic ties

57
Q

How are tilted a form panels usually lifted by a crane?

A

Coils inserts

58
Q

What is the correct forming procedure for suspended slab construction?

A

Mudsills, Screw jacks, Shoring frames, Cross braces, U heads, Stringers, Joist

59
Q

How would you align the size of a slab and grade foundation form?

A

With a dry line

60
Q

What should be done immediately following the placement of concrete into a column form?

A

Double check for plumb

61
Q

Why should concrete not drop from too great a height?

A

It will caus the concrete to segregate

62
Q

What allows fly forms to be leveled once they have Landed?

A

Screw jacks

63
Q

At what point must proper steps be taken to cure a slab on grade foundation?

A

Immediately after finishing

64
Q

Why is is important not to use too much form release agent?

A

If it drops into the rebar concrete will not bond to it

65
Q

What must be done with old concrete splatter before flying a form safely?

A

Foms must be clean so concrete doesn’t fall from the form while it is moving

66
Q

Why is grout using construction?

A

To fill voids and provide continuity between building elements

67
Q

After placing a Concrete slab, Why would wet burlap Be used?

A

To control the rate of hybration by curing the concrete

68
Q

What must be done after cutting a epoxy coated rebar

A

Go to edge of the rebar with liquid epoxy

69
Q

What is done to prevent snap tie wedges from coming loose during a pour?

A

Firmly install with a hammer, Secure with a tack nail

70
Q

When bracing the sides of an excavation, What is used to join steel soldier pile each other?

A

Wood lagging

71
Q

What is asphalt-impregnated fibre-board used for in concrete for?

A

Expansion joint material

72
Q

What is epoxy grout mostly commonly recommended for?

A

Corrosive environment

73
Q

What are 3 Methods of rebar splicing

A

Lapped, Mechanical and Welded

74
Q

What is the standard amount of time that it takes for concrete to reach its designated strength?

A

28 days

75
Q

How many steps are required in step footing with total rise of 7’ -10 1/2” (2400mm)?

A

4

76
Q

What is the first thing to once a tilt-up panel is raised before releasing the crane?

A

Attach braces and plumb

77
Q

Given the following specifications:
Wall thickness = 200mm ( 7 7/8”)
Plywood thickness = 19mm (3/4”)
Waler Dimension =38mm x 89 mm (1 1/2” x 3 1/2”)
Strongback dimension = 89mm x 89mm (3 1/2” x 3 1/2”)
How long would you need to cut your spreaders?

A

200mm (7 7/8”)

78
Q

Which is the proper sequence when installing champers strips into column forms?

A

Install chamfer strips, First Outside panel, Inside panel, then 2nd outside panel.

79
Q

Why is a curing agent applied to concrete?

A

To control the rate of a Evaporation.

80
Q

Which is the best method of releasing a form from green concrete?

A

Wooden wEdges

81
Q

How is concrete placed into the slump cone when performing a slump test?

A

Place in thirds, Rodding 25 times for 3rd

82
Q

What does the term ponding refer to in regards to placing concrete?

A

The total immersion of finish concrete in water to slow the rate of evaporation

83
Q

How much concrete is required for a 4” thick pad with 13’ diameter?

A

1.64 yd³ or 1.26 m³

84
Q

What should be installed at grade in preseved wood foundation PWF constuction?

A

12” wide pressure treated plywood

85
Q

What is the best description of term “honeycombing”

A

A defect on the surface of concrete due to poor consolidation

86
Q

Cracks are likely to happen in concrete. What kind of joint can be used to regulate where cracks will form?

A

Control joint

87
Q

After the outside corners of the building have been located on batter boards, Next up would be to plumb down and _____

A

Measure to the outside of the footing

88
Q

88.How much concrete would be required for a circular side walk
that is 3’ (914 mm) wide, 5” (125 mm) thick and has an inside
radius of 14’ (4267 mm)?

A

4.51 yd³ or 3.45 m³

89
Q

When pouring a concrete stair, How can riser face be reposition if lateral deflections have taken place?

A

By using an Inverted Stringer, Watching the riser stock back to the being straight and then continuing the pour.

90
Q

What is the purpose of putting a broom finish on a concrete surface?

A

To provide nonslipped surface

91
Q

Which is the best method to prevent a blowout at outside corners of wall forms?

A

Lock the corner with the whalers and kickers

92
Q

Where are spandrel beams located?

A

Perimeter walls

93
Q

What are dropped panel supported by?

A

Columns

94
Q

Which of the following is not an example of where you can use a slip form?

A

CAISSONS

95
Q

What would normally support a grade beam?

A

Piers

96
Q

What is a form liner used for?

A

To produce a textured surface

97
Q

What additive is used on in concrete that will be exposed to freeze/thaw cycles?

A

Air entrainment

98
Q

What can be installed at the construction joint to prevent water from leaking through the cracks at a bulk head?

A

Water stop

99
Q

What is place at the base of a poured concrete Wall prevent slippage?

A

A key way

100
Q

How should gang forms be controlled to prevent rotating while the crane is moving them?

A

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Red SEAL PREP (19 decks)

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