Materials and Construction Presence of high amount of silicon in cast iron Suppresses the decomposition of Fe₃ C Increases the formation of graphite Increases the contraction of the metal Reduces its fluidity Suppresses the decomposition of Fe₃ C Increases the formation of graphite Increases the contraction of the metal Reduces its fluidity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tin in its pure form is used for making Cans for food packing Collapsible tubes for toilet preparations Foil for wrapping cheese All of these Cans for food packing Collapsible tubes for toilet preparations Foil for wrapping cheese All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is All of these Acid resistant, brittle and very hard High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these Acid resistant, brittle and very hard High silicon iron Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion 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 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 Have very poor fatigue resistance Are prone to temper brittleness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bronze is an alloy of copper and Zinc Tin Lead Nickel Zinc Tin Lead Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Monel Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Monel ANSWER DOWNLOAD EXAMIANS APP
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