Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Antimony Both B and C Bismuth Arsenic Antimony Both B and C Bismuth Arsenic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following mechanical properties of a material is most structure insensitive? Modulus of elasticity (young Percentage reduction of area Tensile strength Toughness Modulus of elasticity (young Percentage reduction of area Tensile strength Toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Balls in a ball mill are usually made of Cast iron Stainless steel Bronze Steel Cast iron Stainless steel Bronze Steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow plastic deformation of metals under a constant stress is termed as __________ failure. Fatigue Endurance Creep None of these Fatigue Endurance Creep None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel pipes are normally manufactured by __________ process. Electroforming Forging Cold working Extrusion Electroforming Forging Cold working Extrusion ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material for high pressure vessel operating at 500 atm. and 500° C is 18/8 stainless steel Molybdenum stainless steel High silicon iron (14% Si) Mild steel 18/8 stainless steel Molybdenum stainless steel High silicon iron (14% Si) Mild steel ANSWER DOWNLOAD EXAMIANS APP