Materials and Construction Which of the following is the hardest? Cementite Austenite Ferrite Pearlite Cementite Austenite Ferrite Pearlite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Karbate Rubber Lead or acid-proof bricks Acidic refractory Karbate Rubber Lead or acid-proof bricks Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is used for making Die block Channels Drop forging Fish plates Die block Channels Drop forging Fish plates ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass lined vessels are not used for handling/storing Dilute H₂SO₄ Hydroflouric acid Dilute HNO₃ Dilute HCl Dilute H₂SO₄ Hydroflouric acid Dilute HNO₃ Dilute HCl ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction All materials obey Hooke's law within elastic limit. When elastic limit is reached, the tensile strain Decreases very quickly Increases very quickly Increases in proportion to stress Decreases in proportion to stress Decreases very quickly Increases very quickly Increases in proportion to stress Decreases in proportion to stress ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for making bearings should have Both B & C Low co-efficient of friction between journal and bearing Ability to retain lubricant on its surface High-co-efficient of friction between journal and bearing Both B & C Low co-efficient of friction between journal and bearing Ability to retain lubricant on its surface High-co-efficient of friction between journal and bearing ANSWER DOWNLOAD EXAMIANS APP