Deck 15: Ferrous Metals

Question 1

____ cast irons have low silicon content and are cooled rapidly.

A) Gray
B) Red
C) White
D) Malleable

Answer 1

C

Question 2

____ testing determines the stress level a metal can withstand without failure when subjected to an infinitely large number of repeated alternating stresses.

A) Tensile
B) Hardness
C) Impact
D) Fatigue

Answer 2

D

Question 3

____ steels have outstanding corrosion and oxidation resistance at a wide range of temperatures.

A) Carbon
B) Alloy
C) Structural
D) Stainless

Answer 3

D

Question 4

A(n) ____ separates iron from waste materials and sinters ore and flue dust.

A) electric arc furnace
B) blast furnace
C) induction furnace
D) casting furnace

Question 5

Name several of the steel identification numbering systems in use today.

Question 6

____ are permanent fasteners used to join two materials.

A) Washers
B) Reinforcing bars
C) Rivets
D) Steel bolts

Question 7

Describe steel floor decking and its advantages.

Question 8

What are the three most commonly used rolled structural steel shapes?

Question 9

Explain the properties and uses of the commercial iron product called pig iron.

Question 10

What elements and properties does alloy steel contain? What properties do these elements impart to the steel?

Question 11

The basic ____ furnace has a large pear-shaped vessel lined with refractory material.

A) blast
B) electric arc
C) oxygen
D) induction

Question 12

Structural steels fall into ____ major classifications.

A) three
B) four
C) five
D) six

Question 13

Define the processes of agglomeration and sintering.

Question 14

Describe what wrought iron is and its basic characteristics.

Question 15

Why is recycling in the steel industry so popular?

Question 16

The ____ sets standards for steel designations using an arbitrary number to indicate chemical compositions and specify minimums for strength and ductility.

A) American Society for Testing and Materials
B) American Welding Society
C) American Iron and Steel Institute
D) American Society of Mechanical Engineers

Question 17

The typical commercial iron product is called ____ iron.

A) pig
B) horse
C) cow
D) rooster

Question 18

How are stainless steels and heat-resisting steels classified?

Question 19

Describe an electric arc furnace and how it works.

Question 20

____ is used to reinforce concrete slabs.

A) Welded wire fabric
B) Expanded steel mesh
C) Corrugated steel
D) Metal lath