A. ductile
B. malleable
C. homogeneous
D. isotropic
E. anisotropic
By severely deforming a metal in a particular direction it becomes _________________? Read More »
Engineering Materials A. dipg 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
Cyaniding is the process of________________? Read More »
Engineering Materials 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
Weld decay is the phenomenon found with _________________? Read More »
Engineering Materials A. RC 65
B. RC 48
C. RC 57
D. RC 80
E. RC 32.
Hardness of upper bainite (acicular structure) is about___________________? Read More »
Engineering Materials A. substitutional solid solution
B. interstitial solid solution
C. intermetallic compounds
D. all of the above
E. none of the above
Brass (alloy of copper and zinc) is an example of__________________? Read More »
Engineering Materials A. aluminium
B. tin
C. zinc
D. lead
E. silver
Argentite is the principal ore or raw material for _________________? Read More »
Engineering Materials A. refine grain structure
B. reduce segregation in casting
C. improve mechanical properties
D. induce stresses-
E. relieve internal stresses
Which is false statement about normalizing. Normalizing is done to _________________? Read More »
Engineering Materials A. in which atoms align themselves in a geometric pattern upon solidification
B. in which there is no definite atomic structure and atoms exist in a random pattern just as in a liquid
C. which is not attacked by phosphorous
D. which emits fumes on melting
E. none of the above
Amorphous material is one___________________? Read More »
Engineering Materials