Materials and Construction Alpha iron is stable __________ °C. Above 1800 Upto 910 Between 910 & 1403 Above 1403 Above 1800 Upto 910 Between 910 & 1403 Above 1403 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following crystal structures characterises the ferritic stainless steel? Simple hexagonal Body centred cubic None of these Face centred cubic Simple hexagonal Body centred cubic None of these Face centred cubic ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium storage vessel can be used to store Aqua regia Hydrochloric acid (10%) Ferrous sulphate None of these Aqua regia Hydrochloric acid (10%) Ferrous sulphate None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by condensation polymerisation? Polythene Poly vinyl chloride Polystyrene Bakelite Polythene Poly vinyl chloride Polystyrene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Molybdenum steels containing 0.15 to 0.40% molybdenum Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc Are prone to temper brittleness Do not contain nickel or chromium or both Have very poor fatigue resistance Are used for automobile parts like gears, axle, shaft, bearings etc Are prone to temper brittleness Do not contain nickel or chromium or both ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion High silicon iron Acid resistant, brittle and very hard All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion High silicon iron Acid resistant, brittle and very hard All of these ANSWER DOWNLOAD EXAMIANS APP
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