Question 1

Critical path method (CPM)

Accepted Answer

A technique used to plan and control construction projects, showing the relationship between project tasks, durations, and dependencies.

Question 2

Falsework

Accepted Answer

Temporary structure used to support construction elements before they can carry their own weight.

Question 3

Slump test

Accepted Answer

A test to measure the consistency of fresh concrete by determining the distance the concrete settles.

Question 4

Shoring

Accepted Answer

Temporary support structures used to hold up a building or other structure during construction or repair.

Question 5

Screed

Accepted Answer

A straight-edged tool used to level and smooth freshly poured concrete.

Question 6

Efflorescence

Accepted Answer

The deposit of white, powdery salts on the surface of masonry or concrete caused by the migration of soluble salts.

Question 7

Rebar

Accepted Answer

Steel bars or rods embedded in concrete to provide reinforcement.

Question 8

Pile foundation

Accepted Answer

A type of deep foundation using long, slender columns driven or cast into the ground to support a structure.

Question 9

Formwork

Accepted Answer

Temporary molds used to shape and support concrete until it cures and can support its own weight.

Question 10

Grout

Accepted Answer

A dense fluid mixture of cement, sand, and water used to fill gaps and cavities, and provide structural support.

Question 11

Backfill

Accepted Answer

Material used to fill in an excavated area or trench after construction work is completed.

Question 12

Load-bearing wall

Accepted Answer

A wall that provides structural support by transferring loads from the roof and upper floors to the foundation.

Question 13

Footing

Accepted Answer

The lower part of a foundation that distributes the load of a structure to the ground.

Question 14

Pre-stressed concrete

Accepted Answer

Concrete that has been compressed before it bears any load, resulting in improved strength and durability.

Question 15

Weep holes

Accepted Answer

Small openings in masonry or concrete walls to allow water to drain and relieve pressure.

Question 16

Bearing capacity

Accepted Answer

The ability of the soil to support the load of a structure without causing excessive settlement.

Question 17

Aggregate

Accepted Answer

A mixture of sand, gravel, crushed stone, or other materials used in concrete or as a base for construction.

Question 18

Tensile strength

Accepted Answer

The ability of a material to resist being pulled apart.

Question 19

Shear strength

Accepted Answer

The ability of a material to resist being pushed or pulled in opposite directions.

Question 20

Modulus of elasticity

Accepted Answer

A measure of a material's stiffness or resistance to deformation.

Question 21

Live load

Accepted Answer

The weight of temporary, movable objects on a structure, such as people, furniture, and vehicles.

Question 22

Dead load

Accepted Answer

The weight of permanent, non-movable parts of a structure, such as walls, floors, and roofs.

Question 23

Soffit

Accepted Answer

The underside of an architectural element, such as a beam, arch, or eave.

Question 24

Frieze

Accepted Answer

A decorative band or panel near the top of a wall or structure, usually featuring carved or painted designs.

Question 25

Baluster

Accepted Answer

A vertical support for a railing or handrail.

Question 26

Newel post

Accepted Answer

The central, vertical support of a staircase around which the steps spiral or turn.

Question 27

R-value

Accepted Answer

A measure of a material's resistance to heat flow, used to evaluate insulation effectiveness.

Question 28

U-value

Accepted Answer

A measure of heat transfer through a building component, such as a window or wall.

Question 29

Vapor barrier

Accepted Answer

A material that resists the passage of water vapor, used to control moisture in buildings.

Question 30

Thermal bridging

Accepted Answer

Occurs when a more conductive material allows heat to bypass the insulation in a building, causing heat loss or gain.

Question 31

Scaffolding

Accepted Answer

Temporary platforms or structures used to support workers and materials during construction or repair.

Question 32

Swale

Accepted Answer

A shallow, landscaped depression designed to manage water runoff and promote infiltration.

Question 33

Green roof

Accepted Answer

provide insulation, reducing energy consumption and improving air quality.

Question 34

Building envelope

Accepted Answer

The physical separator between the interior and exterior of a building, including walls, floors, roofs, windows, and doors.

Question 35

Firestop

Accepted Answer

A system of materials or devices designed to prevent the spread of fire and smoke through penetrations or gaps in walls, floors, and ceilings.

Question 36

Gypsum board

Accepted Answer

Also known as drywall or plasterboard, a panel made of gypsum plaster sandwiched between thick paper sheets, used for interior walls and ceilings.

Question 37

Bearing plate

Accepted Answer

A steel plate used to distribute loads from structural elements to the supporting structure, preventing localized stress and potential failure.

Question 38

Expansion joint

Accepted Answer

A gap or space in a structure designed to accommodate movement caused by temperature changes, moisture, or other factors.

Question 39

Cantilever

Accepted Answer

A structural element supported only at one end, with the other end projecting horizontally into space.

Question 40

Diaphragm wall

Accepted Answer

A continuous, reinforced concrete wall constructed in the ground to provide lateral support and retain soil.

Question 41

Spalling

Accepted Answer

The flaking, peeling, or chipping of a material's surface, often caused by weathering or corrosion.

Question 42

Self-compacting concrete

Accepted Answer

A type of concrete that flows and spreads easily, without the need for mechanical vibration or compaction.

Question 43

Topping slab

Accepted Answer

A layer of concrete placed over an existing slab to provide a finished surface or additional strength.

Question 44

Caisson

Accepted Answer

A watertight retaining structure used in the construction of foundations, particularly in water or unstable soil.

Question 45

Tieback

Accepted Answer

A horizontal rod or wire used to anchor a retaining wall or other structure to stable soil or rock.

Question 46

Shotcrete

Accepted Answer

Concrete conveyed through a hose and pneumatically projected at high velocity onto a surface, used for structural repairs or new construction.

Question 47

Grade beam

Accepted Answer

A horizontal concrete beam that supports the load of a structure and transfers it to the piers or foundation.

Question 48

Sheathing

Accepted Answer

A layer of boards or panels attached to the exterior studs, joists, or rafters of a building, providing strength and support.

Question 49

Lintel

Accepted Answer

A horizontal structural element that spans the opening of a door, window, or other opening in a wall, supporting the weight above.

Question 50

Sill plate

Accepted Answer

A horizontal wood or metal member placed on top of the foundation wall to support the floor joists or studs.

Question 51

Parapet

Accepted Answer

A low wall or barrier at the edge of a roof or platform, used for safety or as an architectural feature.

Question 52

Curing

Accepted Answer

The process by which concrete or mortar hardens and gains strength through hydration, often aided by temperature and moisture control.

Question 53

Underpinning

Accepted Answer

The process of strengthening or stabilizing a building's foundation by extending it to more stable soil or rock.

Question 54

Control joint

Accepted Answer

A pre-planned crack or gap in concrete or masonry to accommodate movement and prevent random cracking.

Question 55

Parge coat

Accepted Answer

A thin layer of mortar applied to the surface of masonry or concrete to improve appearance, protect against weathering, or provide a smooth surface for finishing.

Question 56

Anchor bolt

Accepted Answer

A threaded rod embedded in concrete or masonry, used to attach and secure structural elements or other materials to the foundation.

Red Seal Exam: Construction Craft Worker Flashcards