A. cast iron
B. forged steel
C. mild steel
D. high carbon steel
E. H.S.S
Engineering Materials
Engineering Materials
A. ductile
B. malleable
C. homogeneous
D. isotropic
E. anisotropic
A. dipping steel in cyanide bath
B. reacting steel surface with cyanide salts
C. adding carbon and nitrogen by heat treatment of steel to increase its surface hardness
D. obtaining cyanide salts
E. making corrosion resistant steel
A. hysteresis
B. creep
C. visco elasticity
D. Boeschinger effect
E. inelasticity
A. 600 VPN
B. 1500 VPN
C. 1000 to 1100 VPN
D. 250 VPN
E. 2000 VPN
A. cast iron
B. mild steel
C. non-ferrous materials
D. wrought iron
E. stainless steel
A. RC 65
B. RC 48
C. RC 57
D. RC 80
E. RC 32.
A. substitutional solid solution
B. interstitial solid solution
C. intermetallic compounds
D. all of the above
E. none of the above
A. aluminium
B. tin
C. zinc
D. lead
E. silver
A. refine grain structure
B. reduce segregation in casting
C. improve mechanical properties
D. induce stresses-
E. relieve internal stresses