Category: Materials and Construction

A. Lead
B. Alloy steel
C. Rubber or ceramic material
D. Cast iron

A. Cermet
B. Glass
C. Thermosetting plastic
D. Metallic alloy

A. Diamond
B. Graphite
C. Carborundum
D. Pumice stone

A. Chromium and molybdenum
B. Nickel and chromium
C. Molybdenum and nickel
D. Chromium and aluminium

A. Combined form
B. Free state as graphite
C. Both A. and B.
D. Neither A. nor B.

A. Ferritic
B. Martenistic
C. Austenitic
D. None of these

A. Monel
B. Karbate
C. Cast iron
D. None of these

A. Ductility
B. Tensile strength
C. Hardness
D. None of these

A. Bakelite
B. Polythene
C. Poly vinyl chloride
D. Polystyrene

A. Lead, tin and cadmium
B. Copper, tin and zinc
C. Copper and lead
D. None of these