A. Aluminium
B. Stainless steel
C. High silicon (14%) iron
D. Copper
Materials and Construction
Materials and Construction
A. Bakelite
B. Polythene
C. Poly vinyl chloride
D. Polystyrene
A. Cans for food packing
B. Collapsible tubes for toilet preparations
C. Foil for wrapping cheese
D. All A., B. and C.
A. Has decreased plasticity at increasing temperature
B. Cannot be moulded
C. Easily deform under pressure at high temperature
D. None of these
A. Nuts
B. Bolts
C. Chisels
D. Studs
A. Milk and fruit juices
B. Alkaline solutions
C. Dilute H2SO4 at room temperature
D. Brine
A. Molybdenum and nickel
B. Nickel and copper
C. Molybdenum and aluminium
D. Molybdenum and zinc
A. Stainless steel
B. Wrought iron
C. Tin
D. Copper
A. Aqueous ammonia
B. Beer
C. H2SO4 (95%)
D. Phosphoric acid (95%)
A. Easily machinable
B. Soft on surface
C. Highly wear resistant
D. None of these