Materials and Construction Ability of a material to __________ is indicated by its damping capacity. Withstand compression Absorb vibration None of these Absorb shock Withstand compression Absorb vibration None of these Absorb shock ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Do not contain nickel or chromium or both Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance Do not contain nickel or chromium or both Are prone to temper brittleness Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material for high pressure vessel operating at 500 atm. and 500° C is High silicon iron (14% Si) 18/8 stainless steel Molybdenum stainless steel Mild steel High silicon iron (14% Si) 18/8 stainless steel Molybdenum stainless steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in carbide/graphite ratio in cast iron, its Ductility decreases Both A & B Neither A nor B Hardness & brittleness increases Ductility decreases Both A & B Neither A nor B Hardness & brittleness increases 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. Antimony Bismuth Arsenic Both B and C Antimony Bismuth Arsenic Both B and C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 18/8 stainless steel means, that it contains 18% nickel and 8% chromium 18% chromium and 8% nickel 18% chromium and 8% molybdenum 18% molybdenum and 8% chromium 18% nickel and 8% chromium 18% chromium and 8% nickel 18% chromium and 8% molybdenum 18% molybdenum and 8% chromium ANSWER DOWNLOAD EXAMIANS APP
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