METALS II

Question 1

Who designed the Crystal Palace in 1851?

Answer 1

Joseph Paxton

Question 2

What was the first use of aluminum for structural purposes?

Answer 2

Le Corbusier’s design for the glass curtain walls of the United Nations headquarters in New York

Question 3

What percentage of steel is eventually recycled?

Answer 3

66%

Question 4

Water run off from copper roofs is…

Answer 4

Safe and environmentally friendly

Question 5

Aluminum requires more ______ to produce.

Answer 5

Electricity

Question 6

Copper and aluminum are inherently _______-resistant

Answer 6

Corrosion

Question 7

Rivet have been replaced by

Answer 7

Bolts

Question 8

What is smelting?

Answer 8

Extracting any metal from its ore

Question 9

List metals in order of galvanic activity

Answer 9

Aluminum zinc iron and steel stainless steel tin lead brass copper bronze gold

All zebras isolate and sublimate soulless secrets, tinkering leaderless before coming back to Grandiosity

Question 10

What is a metals hardness

Answer 10

Resistance to abrasion

Question 11

What characterizes a metals ductility?

Answer 11

Ease of drawing

Question 12

Structural steel has what percent carbon?

Answer 12

1%

Question 13

To be classified as steel, it has to have less than what percent of carbon?

Answer 13

2%

Question 14

How do you make stainless steel?

Answer 14

But some chromium and nickel in there

Question 15

What is the definition of weathering steel?

Answer 15

Contains up to 0.5% copper, which develops a tightly adherent oxide coating. It requires no finish.

Question 16

What is heat-treated steel?

Answer 16

Steel that is really heated and cooled slowly, or annealed, for improved workability

Question 17

Brass is an alloy of

Answer 17

Copper and zinc

Question 18

Characteristics of brass

Answer 18

Corrosion resistant, easily worked

Question 19

Bronze is an alloy of

Answer 19

Copper and tin

Question 20

In general, wrought iron is better in what, and cast-iron is better in what?

Answer 20

Tension… Compression

Question 21

Characteristics of lead

Answer 21

Corrosion resistant, easily worked, impenetrable to radiation, heavy, soft, toxic, low strength

Question 22

Zinc

Answer 22

Low strength, corrosion resistance, use for roof coverings and flashing him for protecting coatings and steel… I.E.galvanizing

Question 23

Monel is an alloy of

Answer 23

Nickel and copper

Question 24

What does sherardizing mean?

Answer 24

Coating with zinc dust

Question 25

What is anodizing?

Answer 25

An aluminum finish in which you insert the material into an electrolyte and apply an electric current, which results in a wide choice of hues

Question 26

How do you express how much zinc you coated onto galvanized steel?

Answer 26

In ounces per square-foot of sheet

Question 27

What are kalamein doors and what are they used for?

Answer 27

Galvanized metal covered would core doors used for high fire resistance

Question 28

What was the first large-scale tensile structure and who designed it?

Answer 28

A pavilion for the Nizhny Novgorod Fair of 1896 by Ivan Schukov

Question 29

Cellular steel decking has the additional advantage of…

Answer 29

Providing raceways for electrical lines

Question 30

Most floor decking is now

Answer 30

Has a metal decking, which has deformed or pattern ribs that bond to the concrete