- (A) gamma iron (910° to 1400°C), Cu, Ag, Au, Al, Ni, Pb, Pt
- (B) Mg, Zn, Ti, Zr, Br, Cd
- (C) a iron (below 910°C and between 1400 to 1539°C), W
- (D) all of the above
- (E) none of the above
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- (A) silver
- (B) gold
- (C) copper
- (D) germanium
- (E) german silver
- (A) ferrite and cementite
- (B) cementite and gamma iron
- (C) ferrite and austenite
- (D) ferrite and iron graphite
- (E) pearlite and ferrite
- (A) cast iron
- (B) vitrified clay
- (C) asbestos cement
- (D) concrete
- (E) mild steel
- (A) ferrite and cementite
- (B) cementite and gamma iron
- (C) ferrite and austenite
- (D) ferrite and iron graphite
- (E) pearlite and ferrite
- (A) nickel, copper and iron
- (B) nickel, copper and zinc
- (C) copper, nickel and antimony
- (D) iron, zinc and bismuth
- (E) antimony, copper and zinc
- (A) 63 to 67% nickel and 30% copper
- (B) 88% copper and 10% tin and rest zinc
- (C) alloy of tin, lead and cadmium
- (D) malleable iron and zinc
- (E) none of the above
- (A) 94% aluminium, 4% copper and 0.5% Mn, Mg, Si and Fe
- (B) 92.5% aluminium, 40% copper, 2% nickel, and 1.5% Mg
- (C) 10% aluminium and 90% copper
- (D) 90% magnesium and 9% aluminium with some copper
- (E) 94% aluminium and 6% tin
- (A) 0.5% of phosphorous
- (B) 1% phosphorous
- (C) 2.5% phosphorous
- (D) 5% phosphorous
- (E) none of the above
- (A) copper, zinc and iron
- (B) iron, nickel and copper
- (C) iron, lead and tin
- (D) iron, aluminium and magnesium
- (E) copper, zinc and antimony
