Engineering Materials

How many atoms are there per unit cell for a face-centered cubic structure?

What is the most undesirable of all elements commonly found in steels?

Under very slow deformation and at high temperature, it is possible to have some plastic flow in a crystal at a shear stress lower than the critical shear stress. What is the phenomenon called?

What refers to the case hardening process by which the carbon content of the steel near the surface of part is increased?

What is the most common reinforcement for polymer composite?

The purpose of copper is steel alloying is to increase

What impurity in steel can cause “red shortness” which means the steel becomes unworkable at high temperature?

The property that characterizes a material’s ability to be drawn into a wire is its

Which of the following is not a ductile metal?

What is the most common reinforcement for polymer composites?

The rocks generally used for roofing is

Stainless steel resists corrosion due to

In Galvanized iron, a lining on iron is provided with

The property of a material which allows it to be drawn into a smaller section is called

The first metal used by man was

The color of zinc is

The iron that has been cooled quickly from a molten state is known as

Which metal is protected by a layer of its own oxide?

Copper when exposed to ordinary atmospheres becomes oxidized turning it into what color?

Constantan, an alloy used in thermocouples, is an alloy of