Materials and Construction Presence of high amount of silicon in cast iron Increases the contraction of the metal Increases the formation of graphite Reduces its fluidity Suppresses the decomposition of Fe₃ C Increases the contraction of the metal Increases the formation of graphite Reduces its fluidity Suppresses the decomposition of Fe₃ C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of __________ in steel can help in increasing the depth of hardness. Chromium Nickel Vanadium Tungsten Chromium Nickel Vanadium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one occupies the lowermost position in the electromotive series of metals? Noble metals (Ag, Pt, Au) Zinc Alkali metals (K, Na, Li) Aluminium Noble metals (Ag, Pt, Au) Zinc Alkali metals (K, Na, Li) Aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium as a material of construction suffers from the disadvantage of Rather low tensile strength Very high cost Scarce availability Very low strength to weight ratio Rather low tensile strength Very high cost Scarce availability Very low strength to weight ratio ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow and progressive deformation of a material with time under constant stress is called Resilience Erosion None of these Creep Resilience Erosion None of these Creep ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chromel (Nichrome) is an alloy of Nickel and chromium Molybdenum and nickel Chromium and molybdenum Chromium and aluminium Nickel and chromium Molybdenum and nickel Chromium and molybdenum Chromium and aluminium ANSWER DOWNLOAD EXAMIANS APP
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