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 Percentage of silver in German silver is 10 5 20 0 10 5 20 0 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High carbon steel contains more than __________ percent carbon. 2.8 0.5 2.5 2.2 2.8 0.5 2.5 2.2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Titanium metal Is used in oceanographic and space exploration applications Exists in three allotropic forms Can not be welded None of these Is used in oceanographic and space exploration applications Exists in three allotropic forms Can not be welded None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The addition of antimony in tin-based alloys improves its Rupture strength and hot hardness Impact strength and bonding strength Deformation resistance Wear resistance Rupture strength and hot hardness Impact strength and bonding strength Deformation resistance Wear resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Eutectic Upper critical Lower critical Recrystallisation Eutectic Upper critical Lower critical Recrystallisation ANSWER DOWNLOAD EXAMIANS APP
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