Materials and Construction 'Age hardening' of duralumin is due to Neither A nor B Copper Magnesium Both A & B Neither A nor B Copper Magnesium Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest? Cementite Austenite Pearlite Ferrite Cementite Austenite Pearlite Ferrite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction An alloy of iron containing 4% carbon is called None of these Wrought iron Mild steel High carbon steel None of these Wrought iron Mild steel High carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material of construction for the storage of concentrated nitric acid is Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Monel Karbate Aluminium or chromium alloys (Cr > 18% for cold acid) Cast iron Monel Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of manganese in alloy steel improves its Elasticity & creep resistance Abrasion resistance & toughness Cutting ability Corrosion resistance Elasticity & creep resistance Abrasion resistance & toughness Cutting ability Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its Compressive strength Tensile strength Corrosion resistance Machinability Compressive strength Tensile strength Corrosion resistance Machinability ANSWER DOWNLOAD EXAMIANS APP
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