A. Zinc, copper and nickel
B. Cobalt, chromium and tungsten
C. Zinc, aluminium and nickel
D. Nickel, cobalt and vanadium
Materials and Construction
Materials and Construction
A. Plasticity
B. Creep
C. Elasticity
D. Ductility
A. Lead
B. Copper
C. Aluminium
D. Wrought iron
A. Surface coating
B. Heat treatment of high speed steel
C. Cold working on metals
D. None of these
A. Thermal & electrical insulator
B. Conductor of heat
C. Conductor of electricity
D. Both B. & C.
A. Ferrous oxide
B. Hydrated ferric oxide
C. Powdered iron
D. Ferric sulphide
A. Dilute H2SO4
B. Dilute HNO3
C. Dilute HCl
D. Hydrofluoric acid
A. Elasticity
B. Plasticity
C. Ductility
D. Malleability
A. Tensile
B. Compressive
C. Fluctuating
D. None of these
A. Tensile
B. Compressive
C. Fluctuating
D. None of these