ENGINEERING MATERIALS QUIZ

Adding carbon up to 2.8%

Adding carbon up to 6.3%

Adding small quantities of copper

Adding carbon up to 0.83%

Lead and bismuth

Silicon

Copper

Magnesium

Make the steel ductile and of good bending qualities

All of these

Raise the yield point

Make the steel tougher and harder

Open hearth furnace

Cupola

Blast furnace

Bessemer converter

At which crystals grow bigger in size

At which change of allotropic form takes place

At which crystals first start forming from molten metal when it is cooled

At which new spherical crystals first begin to form from the old deformed one when a strained metal is heated

Babbitt metal

Phosphor bronze

Nichrome

Monel metal

Less than

More than

None of these

Equal to

Malleability

Brittleness

Ductility

Plasticity

0.35 to 0.45%

0.0004

0.6 to 0.8%

0.4 to 0.6%

1400°C to 1530°C

900°C to 1400°C

400°C to 600°C

600°C to 900°C