Materials and Construction Coke oven walls are lined with __________ bricks. Silica Fire clay Tar-dolomite Low thermal conductivity Silica Fire clay Tar-dolomite Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest? Cementite Ferrite Austenite Pearlite Cementite Ferrite Austenite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Work hardening of a material Decreases its ductility Increases its ductility Decreases its tensile strength Does not affect its ductility Decreases its ductility Increases its ductility Decreases its tensile strength Does not affect its ductility 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 Which of the following is the most prone to atmospheric corrosion? Silver Iron Copper Tin Silver Iron Copper Tin ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Alkali metals (K, Na, Li) Aluminium Zinc Noble metals (Ag, Pt, Au) Alkali metals (K, Na, Li) Aluminium Zinc Noble metals (Ag, Pt, Au) ANSWER DOWNLOAD EXAMIANS APP
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