L6/7 Quizzes

Question 1

High early strength concrete is known as type _

Answer 1

III

Question 2

The first pass made towards levelling the surface of a newly poured concrete slab is called _

Answer 2

Screeding

Question 3

The on-site test to test for a concrete mix’s wetness and workability is called a _ test

Answer 3

Slump

Question 4

T/F When placing concrete using a crane and bucket, formwork is NOT required

Answer 4

False

Question 5

In order to ensure that concrete reaches its design strength, it needs to be kept moist for AT LEAST _ days

Answer 5

7

Question 6

Given concrete’s zero design strength in terms of tension and shear, _ are required to be installed near the points of support to handle the shear stresses

Answer 6

Stirrups

Question 7

In casting a site cast concrete wall, _ _ penetrate through the formwork and prevent the forms from bursting outwards or collapsing inwards

Answer 7

Form ties

Question 8

T/F A limitation of one-way structural slab is that the columns must be placed in square or near-square configurations

Answer 8

False

Question 9

A one way floor system that seeks to reduce floor-to-floor heights is called a _ slab

Answer 9

Banded

Question 10

As a method for strengthening the slab to column connection, the waffle slab features _, which form the same purpose as drop panels in flat slabs

Answer 10

Heads

Question 11

T/F Arguably the best solution for minimising the floor-to-floor height of a high-rise building is a two-way flat plate

Answer 11

True

Question 12

Lift-slab construction uses which type of site cast concrete floor framing system (solid, banded, ribbed, flat, flat plate, waffle slab, none)

Answer 12

Flat plate

Question 13

L-shaped and inverted tee girders feature _, which support slabs or beams

Answer 13

Ledger

Question 14

In order to avoid problematic concrete-to-concrete connections, _ _ are installed to separate pre-cast framing elements

Answer 14

Bearing pads

Question 15

T/F A concrete topping creates an important diaphragm within pre-cast framing systems that works towards resisting lateral forces

Answer 15

True

Question 16

The slope of a low-slope roof needs to be at least _ %

Answer 16

2

Question 17

When roof insulation is placed between the membrane and the deck, _ vents are needed to prevent insulation decay and membrane blisters

Answer 17

Topside

Question 18

T/F From top to bottom, the correct order of elements in a protected membrane roof are: ballast, membrane, insulation and deck

Answer 18

False

Question 19

Which method for creating roof slope is generally NOT suitable for large, expansive roofs?

Answer 19

Roof structure contains slope eg. truss

Question 20

At four times the strength of annealed glass, _ glass forms small square sections when shattered

Answer 20

Tempered

Question 21

Which of the following is NOT a primary function of cladding?

• Keeping water out
• Weathering gracefully
• Controlling light
• Controlling radiation of heat
• None of the options

Answer 21

Weathering gracefully

Question 22

The force capable of moving water through an opening which can be mitigated by including a properly placed drop is called

Answer 22

Surface tension

Question 23

A _ is a compartmentalised cladding solution that aims to neutralise air pressures through use of an air barrier

Answer 23

Rainscreen

Question 24

In brick veneer cladding systems, water that passes through the porous brick travels down through an air cavity and is purged through _ _, or omitted vertical mortar joints

Answer 24

Weep holes

Question 25

T/F Stick system is the mode of assembly of metal and glass cladding systems that is easily shipped in pieces (low bulk)

Answer 25

True

Question 26

Which of the following is NOT a key benefit associated with air-entraining concrete?

• Improves workability
• Increases permeability
• Reduces damage caused by freeze/thaw cycles
• All of these are key benefits of air-entraining

Answer 26

Increases permeability

Question 27

T/F It is critical to ensure adequate concrete cover around rebar in a concrete slab

Answer 27

True

Question 28

T/F Precast concrete elements are nearly always prestressed at the casting plant to make them lighter and stronger

Answer 28

True

Question 29

A flat plate concrete framing system facilitates minimum floor-to-floor heights and is an example of a

• One-way framing system
• Two-way framing system
• Three-way framing system
• None

Answer 29

Two-way framing system

Question 30

Which roofing membrane types can potentially be associated with non-penetrating fasteners or welding machine?

Answer 30

Single-ply membranes

Question 31

The primary strategy behind rainscreen systems in stopping rain from breaching the cladding involves

Answer 31

Air pressure differences