Materials and Construction __________ is a donor impurity for semi-conductors. Gallium None of these Boron Antimony Gallium None of these Boron Antimony ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of Steel Graphite Zircalloy Concrete Steel Graphite Zircalloy Concrete ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron compared to steel is better in Strength Ductility Fluidity & castability Malleability Strength Ductility Fluidity & castability Malleability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ceramic materials are Always amorphous in nature Stronger in compression than in tension Organic in nature Always bad heat conductors Always amorphous in nature Stronger in compression than in tension Organic in nature Always bad heat conductors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium as a material of construction suffers from the disadvantage of Very low strength to weight ratio Scarce availability Rather low tensile strength Very high cost Very low strength to weight ratio Scarce availability Rather low tensile strength Very high cost ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow plastic deformation of metals under a constant stress is termed as __________ failure. None of these Endurance Creep Fatigue None of these Endurance Creep Fatigue ANSWER DOWNLOAD EXAMIANS APP