ENGINEERING MATERIALS QUIZ

Nickel and copper

Nickel, Copper and zinc

Refined silver

Silver and some impurities

Thermal properties in all directions

Stresses induced in all directions

Electric and magnetic properties in all directions

Elastic properties in all directions

710

35

57

1015

Cast iron

All nonferrous materials

High speed steel

All of these

In which atoms align themselves in a geometric pattern upon solidification

Which emits fumes on melting

In which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid

Which is not attacked by phosphorous

70% copper and 30% zinc

85 - 92% copper and rest tin with little lead and nickel

70 - 75% copper and rest tin

90% copper and 10% tin

Decreases as the carbon content in steel increases

Is same for all steels

Increases as the carbon content in steel increases

Depends upon the rate of heating

Copper and zinc

Copper and nickel

Copper and iron

Copper and tin

Refines grain size and produces less tendency to carburisation, improves corrosion and heat resistant properties

Improves cutting ability and reduces hardenability

Improves wear resistance, cutting ability and toughness

Gives ductility, toughness, tensile strength and anti-corrosion properties

Germanium

Silver

Copper

Gold