EML6324 Quiz 1

1+2=?

• 1

• 2

• 3

• 4

1. 10+20=?

• 30

• 40

• 50

• 60

10+20-6x5=?

• 150

• 120

• 50

• 0

What element is traditionally alloyed with copper to form brass?

• Tin

• Zinc

Brass has alpha and beta crystal structures. Which is more deformable?

• alpha brass

• beta brass

What is the crystal structure of pure Fe at room temperature?

• BCC

• FCC

• HCP

• FBC

Titanium is known as an allotropic material. Wat is the crystal structure of Ti at room temperature?

• FCC

• BCC

• HCP

• FBC

Which structure of Fe has higher solubility of C: FCC or BCC?

• FCC

• BCC

How do you call the composition at Point A?

• Eutectoid

• Eutecroid

• Eutecpic

• Eutectic

Which statement is correct?

• At Point A, the composition does not transform from the liquid to the solid state at temperature T1.

• At Point A, the composition transforms fully from the liquid to the solid state at temperature T1, but it does not occur in the reverse direction.

• At Point A, the composition transforms fully from the liquid to the solid state at temperature T1, and it occurs in the reverse direction.

• At Point A, the composition transforms partially from the liquid to the solid state at temperature T1.