Chapter 6
Which one of the metallic elements is the most abundant on the earth
aluminum
Which one of the following metals has the lowest melting point
tin
Which one of the following metals has the lowest density
magnesium
Which of the following metals has the highest density
platinum
Plain carbon steels are designated in the AISI code system by which of the following
10XX
From which of the following ores is aluminum derived
bauxite
Which one of the following elements is the most important alloying ingredient in steel
carbon
Which of the following alloying elements are most commonly associated with stainless steel
chromium, nickel
Which of the following metals is noted for its good electrical conductivity
copper
Traditional brass is an alloy of which of the following metallic elements
copper, zinc
The predominant phase in the iron-carbon alloy system for a composition with 99% Fe at roomtemperature is which one of the following
ferrite
Which of the following is the most important cast iron commercially
gray cast iron
Which of the following properties or characteristics are inconsistent with the metals
high electrical resistivity, ionic bonding
A steel with 1.0% carbon is known as which one of the following
hypereutectoid
The strength and hardness of steel increases as carbon content
increases
Solid solution alloying is the principal strengthening mechanism in high-strength low-alloy (HSLA) steels
true
Which one of the following is not a common alloying ingredient in steel
zinc
