What is the typical temperature range for hot forming?

A$)$ Room temperature

B$)$ Above $0\mathrm{.}5$ Tm

C$)$ Below recrystallization temperature

D$)800-1200C$

What kind of rolling mill is used for high$-$precision

applications like automotive panels?

A$)$ Two$-$high

B$)$ Four$-$high

C$)$ Three$-$high

D$)$ Continuous

Which crystal structure is commonly associated with

materials that are strong and hard but less ductile?

A$)$ FCC

B$)$ HCP

C$)$ BCC

D$)$ Lattice

Aluminum is commonly used in which of the following

applications?

A$)$ Electrical wiring

B$)$ Aerospace components

C$)$ Heavy machinery

D$)$ Tool making

What is a key disadvantage of hot forming?

A$)$ Increased risk of cracking

B$)$ Higher energy consumption

C$)$ Higher springback

D$)$ Reduced ductility

The process of rolling metal to reduce its thickness

involves which type of force?

A$)$ Compressive

B$)$ Tensile

C$)$ Shear

D$)$ Torsional

What material property affects its formability in metal

forming processes?

A$)$ Yield strength

B$)$ Melting point

C$)$ Electrical conductivity

D$)$ Color

Which rolling process is suitable for producing thin,

high$-$quality automotive body panels?

A$)$ Hot rolling

B$)$ Cold rolling

C$)$ Warm rolling