(Total Marks for question 10: 14) 10.1 What effect does an increase in carbon co
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Question
(Total Marks for question 10: 14) 10.1 What effect does an increase in carbon content have on the properties of steel? Circle all of the correct statements a) Increases the strength b) Decreases the strength c) Increases the ductility d) Decreases the ductility e) Increases the corrosion resistance 10.2 Consider a structural steel member that is subject to a fire. Circle the single most significant effect that the fire will have on the structural performance of the steel member. a) The steel melts b) The steel increases in length c) The steel buckle:s d) The stiffness of the steel is reduced e) The stresses in the steel increase f) The steel corrodesExplanation / Answer
Answer 10.1- (a) Increse the strength
(c) Increse the ductility
Answer 10.2- (d) The stiffness of steel is reduced.
Answer 10.3- (b) Introduce alloying element into the steel to increse the resistance of the steel to incresed temperatue.
Answer 10.4- True- (b), (d), (f)
Answer 10.5-True- (b), (d),(e),(f),(g)
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