Materials and Construction With increase in carbide/graphite ratio in cast iron, its Hardness & brittleness increases Ductility decreases Neither A nor B Both A & B Hardness & brittleness increases Ductility decreases Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is 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 Usually joined by burning (e.g. by melting to adjacent pieces with a torch) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Post weld heat treatment is done by Normalising Tempering Solution annealing Stress relieving Normalising Tempering Solution annealing Stress relieving ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron Rusts None of these Is heated Melts Rusts None of these Is heated Melts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Brass container is suitable for storing Phosphoric acid (95%) H₂SO₄(95%) Aqueous ammonia Beer Phosphoric acid (95%) H₂SO₄(95%) Aqueous ammonia Beer ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Bush bearings are made of None of these Phosphorous bronze Mild steel White metal alloys None of these Phosphorous bronze Mild steel White metal alloys ANSWER DOWNLOAD EXAMIANS APP
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