Types of Metal(SB-1)

Question 1

What term is used to describe the equivalent of the Steelworker rating in civilian
construction?

Answer 1

ironworker

Question 2

A material must be primarily composed of _____ to be considered a ferrous metal.

Answer 2

iron

Question 3

Ferrous metals are typically

Answer 3

magnetic

Question 4

Which type of iron is one of the main raw materials used to make steel?

Answer 4

pig

Question 5

What characteristic of pig iron limits its use?

Answer 5

It is comparatively weak and brittle.

Question 6

What material do Steelworkers use the most?

Answer 6

steel

Question 7

Cast iron is any iron containing greater than _____ alloy.

Answer 7

2%

Question 8

What process is used to produce malleability in cast iron?

Answer 8

annealing

Question 9

What group of steel is best suited for the manufacture of crane hooks and axles?

Answer 9

medium carbon

Question 10

What group’s specifications cover high-strength steels?

Answer 10

astm

Question 11

What group’s specifications cover stainless steels

Answer 11

aisi

Question 12

What stainless steel is normally nonmagnetic?

Answer 12

Austenitic chromium-nickel of the 300 series

Question 13

What common alloy steel is used to make high-quality hand tools?

Answer 13

chrome vandium steel

Question 14

Which of the following metals is nonferrous?

Answer 14

aluminum

Question 15

What combination of elements in proper proportion make bronze?

Answer 15

copper tin

Question 16

What action does the letter “T” signify when used in conjunction with a numbering system
that classifies different aluminum alloys?

Answer 16

heat treated

Question 17

What manufacturing marks can you look for when a metal’s color does not provide positive
identification?

Answer 17

all of the above

Question 18

When applying the spark test to a metal, you notice the spark stream has white shafts and
forks only. What does this condition indicate about the metal under test?

Answer 18

low carbon steel

Question 19

What metal produces a spark stream about 25 inches long with small and repeating
sparklers of small volume that are initially red in color?

Answer 19

grey cast iron

Question 20

Which of the following metals produces the shortest length spark stream?

Answer 20

nickel

Question 21

You perform the chip test by removing a small amount of material from the test piece with a

Answer 21

sharp cold chisel

Question 22

(True or False) You can depend on a magnetic test for 100% accuracy to determine a
ferrous metal.

Answer 22

false