Materials and Construction

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. Copper
B. Magnesium
C. Both A. & B.
D. Neither A. nor B.

A. Quartz
B. Gypsum
C. Feldspar
D. Fluorite

A. Mica flakes
B. Glass
C. Rubber
D. None of these

A. Surgical instruments
B. Powerful magnets
C. Chemical equipments
D. Boiler tubes

A. Acetic acid
B. Benzoic & boric acids
C. Phosphoric acid (95%) & sulphuric acid (95%)
D. Hydrochloric acid (concentrated)