Chapter 2 Construction Materials

1. The ___ size is the dimensions of a piece of lumber before it is dried and surfaced.

• nominal

• actual

• finished

• standard

Moldings are a type of finished wood ___ member.

• trim

• frame

• panel

• beam

3. The ___ is a value used to indicate the ability of a material to resist heat flow.

• R-value

• C-value

• S-value

• Q-value

4. ___ pipe is the most common type of plastic plumbing pipe used in residential and light commercial buildings.

• PVC

• Copper

• Galvanized Iron

• PEX

5. A(n) ___ is a thin, moisture-resistant material placed over the ground or in walls to retard the passage of moisture into a building.

• vapor barrier

• insulation board

• drywall

• sheathing

6. ___ consist of three, four, or five individual layers of asphalt-saturated roofing felt bonded together with hot tar or asphalt.

• Built-up roofs

• Shingle roofs

• Metal roofs

• Green roofs

7. A(n) ___ is a wall-mounted distribution cabinet containing overcurrent and short-circuit protection devices.

• panelboard

• transformer

• conduit

• junction box

8. A(n) ___ is an enclosed channel for conductors.

• raceway

• conduit

• junction box

• panel

9. A(n) ___ is a device with a current and voltage rating, used to open or close an electrical circuit.

• switch

• resistor

• transformer

• fuse

10. A(n) ___ contains an evaporator, compressor, condenser, and expansion valve.

• air conditioner

• microwave oven

• water heater

• ceiling fan