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