A. Increasing the product yield
B. Enriching the product
C. Limiting the inerts
D. Heat conservation

A. 0
B. 10
C. 7
D. 14

A. Nature of solvent
B. Concentration of solution
C. Nature of solute
D. All of these

(A) Boron
(B) Antimony
(C) Gallium
(D) None of these

(A) Orthorhombic
(B) Cubic
(C) Hexagonal
(D) None of these

(A) 2
(B) 4
(C) 6
(D) 8

(A) High alumina ceramic
(B) Metallic carbides
(C) Corundum
(D) Carborundum

(A) Aluminium
(B) Noble metals (Ag, Pt, Au)
(C) Zinc
(D) Alkali metals (K, Na, Li)

(A) Produced by adding 10-20% steel to the cupola charge
(B) Stronger than cast iron
(C) Both (A) and (B)
(D) Neither (A) nor (B)

(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