- (A) Entropy
- (B) Gibbs free energy
- (C) Internal energy
- (D) All (A),
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- (A) A mixture of iron dust and saw dust
- (B) Carbon impregnated with resin (usually Bakelite)
- (C) An acid resistant material
- (D) Both
- (A) Ultimate tensile strength (U.T.S.)
- (B) Endurance limit
- (C) Elastic limit
- (D) None of these
- (A) Proximity between its elastic limit and ultimate breaking strength
- (B) Ductility
- (C) Tensile strength
- (D) All
- (A) Especially resistant to solutions containing H2SO4
- (B) Usually joined by burning (e.g. by melting to adjacent pieces with a torch)
- (C) Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain
- (D) All
- (A) Orthorhombic
- (B) Cubic
- (C) Hexagonal
- (D) None of these
- (A) High alumina ceramic
- (B) Metallic carbides
- (C) Corundum
- (D) Carborundum
- (A) Cracks and blow holes are eliminated
- (B) Ductility and impact strength improves
- (C) Appreciable strain hardening is produced
- (D) Yield stress, hardness and fatigue strength is not at all affected
- (A) Quartz
- (B) Gypsum
- (C) Feldspar
- (D) Fluorite
- (A) Mica flakes
- (B) Glass
- (C) Rubber
- (D) None of these
