Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 4 0.2 2 8 4 0.2 2 8 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Slow and progressive deformation of a material with time under constant stress is called Erosion Creep None of these Resilience Erosion Creep None of these Resilience ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Balls in a ball mill are usually made of Bronze Steel Cast iron Stainless steel Bronze Steel Cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A bearing metal should not have Enough plasticity Low thermal conductivity Low co-efficient of friction High toughness Enough plasticity Low thermal conductivity Low co-efficient of friction High toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Platinum and silver are corroded by Sulphuric acid (10%) None of these Phosphoric acid Caustic soda solution Sulphuric acid (10%) None of these Phosphoric acid Caustic soda solution 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 Wear resistance Deformation resistance Rupture strength and hot hardness Impact strength and bonding strength Wear resistance Deformation resistance ANSWER DOWNLOAD EXAMIANS APP