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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