Materials and Construction Presence of high amount of silicon in cast iron Increases the contraction of the metal Suppresses the decomposition of Fe₃ C Increases the formation of graphite Reduces its fluidity Increases the contraction of the metal Suppresses the decomposition of Fe₃ C Increases the formation of graphite Reduces its fluidity ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass container is suitable for storing Phosphoric acid (95%) Aqueous ammonia H₂SO₄(95%) Beer Phosphoric acid (95%) Aqueous ammonia H₂SO₄(95%) Beer ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Gunmetal and bronze are not corroded by the action of Hydrochloric acid (10%) Nitric acid (< 25%) Synthetic detergent solution Wet chlorine Hydrochloric acid (10%) Nitric acid (< 25%) Synthetic detergent solution Wet chlorine ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of 0.3 to 0.5% arsenic in copper increases its Tenacity & hardness Electrical conductivity Malleability Ductility Tenacity & hardness Electrical conductivity Malleability Ductility ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Titanium metal Is used in oceanographic and space exploration applications Exists in three allotropic forms None of these Can not be welded Is used in oceanographic and space exploration applications Exists in three allotropic forms None of these Can not be welded ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is added in stainless steel to prevent inter crystal corrosion. Vanadium Nickel Niobium Chromium Vanadium Nickel Niobium Chromium ANSWER DOWNLOAD EXAMIANS APP
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