- (A) free carbon
- (B) graphite
- (C) cementite
- (D) white carbon
- (E) ferrite
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- (A) no graphite
- (B) a very high percentage of graphite
- (C) a low percentage of graphite
- (D) graphite as its basic constituent of composition
- (E) none of the above is true
- (A) paramagnetic
- (B) ferromagnetic
- (C) ferroelectric
- (D) dielectric
- (E) none of the above
- (A) hard’
- (B) soft
- (C) ductile
- (D) tough
- (E) malleable
- (A) face-centred cubic lattice
- (B) body-centred cubic lattice
- (C) hexagonal close-packed lattice
- (D) all of the above
- (E) none of the above
- (A) cementite
- (B) free carbon
- (C) flakes
- (D) spheroids
- (E) nodular aggregates of graphite
- (A) cementite
- (B) free carbon
- (C) flakes
- (D) spheroids
- (E) nodular aggregates of graphite
- (A) tin, antimony, copper
- (B) tin and copper
- (C) tin and lead
- (D) lead and zinc
- (E) lead and copper
- (A) nickel, chromium and iron
- (B) nickel, copper
- (C) nickel, chromium
- (D) nickel, zinc
- (E) nickel, lead
- (A) mild steel
- (B) cast iron
- (C) H.S.S.
- (D) high carbon
- (E) german silver
