Exam 3 Intro to Material Science 2025/ 2026 Complete Test Bank with Solution Questions and Answers

Exam #3 Intro to Material Science

Casting process are used for both True
simple parts as well as complex parts
with internal cavities
True
False

What type of casting process starts by Investment
making a wax replica of the part
Investment
Sand
Die
Centrifugal

Which casting process is limited to low Die
melting temperature alloys
Die
Sand
Investment
Centrifugal

Cast iron has lower % carbon than steel True
True
False

, Exam #3 Intro to Material Science
The excess carbon in White cast iron is Iron carbide
in form of
Iron carbide
Graphite flakes
Graphite spheres
None of these

The excess carbon is Gray Cast Iron is in Graphite Flakes
the form of
Graphite Flakes
Graphite Spheres
Iron Carbide
None of these

The excess carbon in Ductile Cast Iron is Graphite Spheres
in the form of
Graphite Spheres
Graphite Flakes
Iron Carbide
None of these

, Exam #3 Intro to Material Science
Which type of cast iron has the best Gray Cast Iron
ability to dampen mechanical vibrations
Gray Cast Iron
Ductile Cast Iron
White Cast Iron
All are the same

Which type of cast iron has the best Ductile Cast Iron
toughness
Ductile Cast Iron
Gray Cast Iron
White Cast Iron
All are the same

Which of the following are advantages Acts as a lubricant
of having a graphite phase in cast iron Holds oil which improves metal-to-metal wear resistance
Acts as a lubricant
Holds oil which improves metal-to-metal
wear resistance
Improves strength
None of these