Materials and Construction Work hardening of a material Decreases its ductility Does not affect its ductility Increases its ductility Decreases its tensile strength Decreases its ductility Does not affect its ductility Increases its ductility Decreases its tensile strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Have very poor fatigue resistance Are prone to temper brittleness Do not contain nickel or chromium or both Are used for automobile parts like gears, axle, shaft, bearings etc Have very poor fatigue resistance Are prone to temper brittleness Do not contain nickel or chromium or both Are used for automobile parts like gears, axle, shaft, bearings etc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Lead or acid-proof bricks Karbate Acidic refractory Rubber Lead or acid-proof bricks Karbate Acidic refractory Rubber ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Failure of a material is termed as fatigue failure, if it fails below the yield point. The resistance to fatigue failure of a material is measured by the None of these Endurance limit Ultimate tensile strength (U.T.S.) Elastic limit None of these Endurance limit Ultimate tensile strength (U.T.S.) Elastic limit ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In order to be called steel, an alloy should have iron percentage greater than 80 70 90 50 80 70 90 50 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The metals occuring at the lower most position in the electromotive series Are very brittle Do not resist corrosion Resist corrosion very strongly Are heat insulators Are very brittle Do not resist corrosion Resist corrosion very strongly Are heat insulators ANSWER DOWNLOAD EXAMIANS APP
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