Hamad Materials and Construction 22/04/2020 A. 0.02 B. 0.2 C. 0.35 D. 0.5 Related Mcqs: Pick out the wrong statement?A. Wrought iron contains about 0.02% carbon B. Wrought iron cannot be easily forged and welded C. The chilled cast iron does not contain graphite D. Spheroidal grey cast iron contains graphite flakes... Reduction in the grain size reduces the _______________ of the material?A. Fatigue resistance B. Tensile strength C. Creep resistance D. All A., B. & C.... Amount of energy that a material can absorb before its fracture is a measure of its _________________?A. Toughness B. Resilience C. Malleability D. Ductility... Age hardening is concerned with_________________?A. Copper B. Brass C. Duralumin D. Silver... The presence of impurities in iron_________________?A. Increases its melting point B. Does not affect its melting point C. Decreases its melting point D. Makes it malleable...
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