Materials and Construction Atmospheric corrosion of metals result from their Fast hydration Fast oxidation Slow oxidation Slow dehydration Fast hydration Fast oxidation Slow oxidation Slow dehydration ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Especially resistant to solutions containing H₂SO₄ All of these Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Especially resistant to solutions containing H₂SO₄ All of these Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Trough of an apron conveyor is made of Lead lined concrete vessel Either B or C Wood Metal Lead lined concrete vessel Either B or C Wood Metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following crystal structures characterises the austenitic stainless steel? Body centred cubic None of these Face centred cubic Simple hexagonal Body centred cubic None of these Face centred cubic Simple hexagonal 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) Molybdenum stainless steel Mild steel 18/8 stainless steel High silicon iron (14% Si) Molybdenum stainless steel Mild steel 18/8 stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Alinco, which is a aluminium-cobalt-nickel steel, is used for making Surgical instruments Boiler tubes Chemical equipments Powerful magnets Surgical instruments Boiler tubes Chemical equipments Powerful magnets ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS