Exam Questions And Answers Graded A+

How to tell types of steel {Ans: carbon content}Modulus of Elasticity of Wood {Ans: 900-2,200 ksi}bearing capacity {Ans: use ultimate bearing capacity equation then divide by factor of safety}High Strength vs High Toughness {Ans: High Strength: stress strain curve reaches a higher peak High Toughness: larger area under the curve Typically don't go together}Pig Iron {Ans: 90-94% iron, 4% carbon, also uses low % (under 5%) of silicon, phosphorous, and sulfur}1:2:3 gives weights of which constitutes {Ans: Cement, course & fine aggregates}