Chapter 15 Vocabulary

1.

1 point

an alloy of iron and carbon used for frameworks in industrial and commercial buildings.

2.

1 point

breaking down certain hydrocarbons into simpler ones of lower boiling points by means of excess heat, distillation under pressure

3.

1 point

strips of steel used to form pipes.

4.

1 point

the outside layers of plywood.

5.

1 point

a rock consisting of aluminum oxides and hydroxides with various impurities: the principal ore of aluminum.

6.

1 point

a process that changes hydrocarbon molecules into different sizes, both smaller and larger

7.

1 point

a material produced using thermal processes by solidifying molten silica in an amorphous state.

8.

1 point

a type of steel coated with zinc used for automobile parts and containers.

9.

1 point

a petroleum-refi ning process that adds or removes chemicals to change the properties of petroleum products.

10.

1 point

the center layer of plywood

11.

1 point

a process used in petroleum refi neries that breaks petroleum into major hydrocarbon groups.

12.

1 point

the layers between the faces in plywood.

13.

1 point

an oven used to anneal glass.

14.

1 point

the first step in the process of making steel in a basic oxygen furnace. When being charged, the furnace tilts to one side to receive pig iron, scrap steel, and flux.

15.

1 point

the final step in the process of making steel in a basic oxygen furnace.

16.

1 point

short, rectangular pieces of steel used to produce structural shapes and rails.

17.

1 point

a conversion process that causes small hydrocarbon molecules to join together.

18.

1 point

long, square pieces of steel.

19.

1 point

a machine that uses a group of evenly spaced circular or scroll saw–type blades to cut many boards at once

20.

1 point

the thermal process using heat to extract metals from their ores

21.

1 point

the second step in the process of making steel in a basic oxygen furnace.

22.

1 point

a material consisting of extremely fine filaments of glass that are combined in yarn and woven into fabrics, used in masses as a thermal and acoustical insulator,.

23.

1 point

wide, flat pieces of steel.

24.

1 point

a thin sheet of wood that is sliced, sawed, or peeled from a log.

25.

1 point

processes that break down or build up materials by changing their chemical composition

26.

1 point

aluminum oxide. It is the input to the second phase of making aluminum.

27.

1 point

the square center section of a log.

28.

1 point

a type of lumber produced from trees that lose their leaves at the end of each growing season.

29.

1 point

an oily, flammable, nonuniform mixture of a large number of different solid and liquid hydrocarbons.

30.

1 point

the process of breaking heavier hydrocarbons into smaller ones.

31.

1 point

a ________ furnace is commonly used in iron smelting