Materials and Construction Which one contains the least percentage of carbon? Pig iron High speed steel Cast iron Wrought iron Pig iron High speed steel Cast iron Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermoplastic resins are those polymers, which None of these Easily deform under pressure at high temperature Can not be moulded Has decreased plasticity at increasing temperature None of these Easily deform under pressure at high temperature Can not be moulded Has decreased plasticity at increasing temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following mechanical properties of a material is most structure insensitive? Tensile strength Percentage reduction of area Toughness Modulus of elasticity (young Tensile strength Percentage reduction of area Toughness Modulus of elasticity (young ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Arsenic Bismuth Antimony Both B and C Arsenic Bismuth Antimony Both B and C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials Never exhibit polymorphism Are poor electrical conductors due to lack of free electrons Are exemplified by clay and mica All of these Never exhibit polymorphism Are poor electrical conductors due to lack of free electrons Are exemplified by clay and mica All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A measure of toughness of a material is its Yield strength Area under stress-strain diagram Ultimate strength Percentage elongation Yield strength Area under stress-strain diagram Ultimate strength Percentage elongation ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS