Materials and Construction Presence of nitrogen in steel Increases its strength Increases its hardness Makes it brittle Is desirable Increases its strength Increases its hardness Makes it brittle Is desirable ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material for high pressure vessel operating at 500 atm. and 500° C is High silicon iron (14% Si) 18/8 stainless steel Mild steel Molybdenum stainless steel High silicon iron (14% Si) 18/8 stainless steel Mild steel Molybdenum stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The softest material just next to talc in the Mho's scale is Quartz Feldspar Gypsum Fluorite Quartz Feldspar Gypsum Fluorite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Copper is dissolved from its ore by H₂SO₄ in a percolation tank made of Wood Stainless steel Reinforced concrete lined with lead High silicon iron (14% Si) Wood Stainless steel Reinforced concrete lined with lead High silicon iron (14% Si) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain All of these Especially resistant to solutions containing H₂SO₄ Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain All of these Especially resistant to solutions containing H₂SO₄ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling Dilute HNO₃ Dilute HNO₃ Dilute HCI Hydroflouric acid Dilute HNO₃ Dilute HNO₃ Dilute HCI Hydroflouric acid ANSWER DOWNLOAD EXAMIANS APP