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Mechanical Behaviour Testing Materials
Mechanical Behaviour Objective
Quiz 1
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Q.1
Malleable cast iron consists of _____
a) Graphite flakes
b) Graphite nodules
c) Graphite clusters
d) Spheroidite
Q.2
The ability of a material to undergo plastic deformation without rupture, when a compressive force is applied, is known as ______
a) Ductility
b) Formability
c) Compressive strength
d) Malleability
Q.3
Which metal has maximum malleability?
a) Platinum
b) Gold
c) Silver
d) Aluminium
Q.4
Which metal shows good malleability but poor ductility?
a) Silver
b) Gold
c) Lead
d) Aluminium
Q.5
With an increase in temperature, malleability of material ______
a) Increases
b) Decreases
c) Remains constant
d) Varies independent of temperature
Q.6
Malleability is the property of a material to be formed into ______
c) Bars
d) Billets
a) Wires
b) Sheets
Q.7
Malleable iron is made by heating white iron between _____ for a long time period.
a) 200-300°C
b) 400-500°C
c) 800-900°C
d) 1100-1200°C
Q.8
Crystal structure of a material is an important factor, which affects the malleability.
a) True
b) False
Q.9
Which statement is false regarding malleability?
a) Presence of interstitials decreases malleability
b) With an increase in temperature malleability of material decreases
c) FCC crystals generally have good malleability
d) Materials with weak metallic bond tend to have good malleability
Q.10
Materials with stronger metallic bonds exhibit high malleability.
a) True
b) False
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