Materials and Construction Presence of manganese in alloy steel improves its Cutting ability Abrasion resistance & toughness Corrosion resistance Elasticity & creep resistance Cutting ability Abrasion resistance & toughness Corrosion resistance Elasticity & creep resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Platinum and silver are corroded by Phosphoric acid Caustic soda solution Sulphuric acid (10%) None of these Phosphoric acid Caustic soda solution Sulphuric acid (10%) None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Hardening of steel is not possible unless it is heated __________ critical point. Between the second & third Between the first & second Above the lowest Above the highest Between the second & third Between the first & second Above the lowest Above the highest ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardened steel essentially contains Troostite Martensite Sorbite None of these Troostite Martensite Sorbite None of these 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 Acidic refractory Karbate Rubber Lead or acid-proof bricks Acidic refractory Karbate Rubber Lead or acid-proof bricks ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following undergoes granular fracture? None of these Wrought iron Cast iron Steel None of these Wrought iron Cast iron Steel ANSWER DOWNLOAD EXAMIANS APP
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