A. Decreases its tensile strength
B. Decreases its ductility
C. Increases its ductility
D. Does not affect its ductility
A. Calorising
B. Galvanising
C. Zincification
D. Tempering
A. Karbate
B. High silicon cast iron
C. Monel
D. None of these
A. Nickel lined steel tank cars
B. Galvanised or tin lined drums
C. Boxed glass carboys
D. Cast iron containers
A. Aluminium
B. Stainless steel
C. High silicon (14%) iron
D. Copper
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. 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.