Category: Materials and Construction

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