Materials and Construction Reduction in the grain size reduces the __________ of the material. Fatigue resistance Creep resistance All of these Tensile strength Fatigue resistance Creep resistance All of these Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The hardest material just prior to diamond in Mhos scale is Topax Corrundum Calcite Carborundum Topax Corrundum Calcite Carborundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its High strength and corrosion & oxidation-resistance at elevated temperature Low temperature strength properties High strength to weight ratio Its ability to be cast, rolled, forged & stamped High strength and corrosion & oxidation-resistance at elevated temperature Low temperature strength properties High strength to weight ratio Its ability to be cast, rolled, forged & stamped ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A magnetic material becomes __________ above the Curie temperature. Diamagnetic Paramagnetic Ferromagnetic None of these Diamagnetic Paramagnetic Ferromagnetic None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following mechanical properties of a material is most structure insensitive? Toughness Modulus of elasticity (young Percentage reduction of area Tensile strength Toughness Modulus of elasticity (young Percentage reduction of area Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. None of these Semi-conductor Metal/alloy Dielectric None of these Semi-conductor Metal/alloy Dielectric ANSWER DOWNLOAD EXAMIANS APP