AE 333 EXAM 2 CONCEPT PORTION SU 2020 25 POINTS LAST NAME: FIRST NAME: 1. See Figure P4-5 on page 133 (bottom right corner) of Text Book: Which member or members are axially loaded: Member AB Member AD Member BC Type your answer here: 2. a) What is a statically indeterminate problem? Type your answer here: b) To solve an axially loaded statically indeterminate problem, an additional equation is formulated from: Type your answer here: c) Deformation in members due to temperature variation is measured by the formula: δT = αΔTL. Identify each term on the Right Hand Side, giving SI units as well: Type your answer here: Αlpha: ΔT: L: 1 AE 333 EXAM 2 CONCEPT PORTION SU 2020 3. A hundred mm long rod has a diameter of 15 mm. If an axial tensile load of 10 kN is applied to it, answer the following: Lateral strain will be positive/zero/negative Type Answer here: Poisson’s ratio will be positive/zero/negative Type Answer here: In few words, justify the need for a negative sign in the formula for Poisson’s Ratio: Type your answer here: ----------------------------------------End of Concept Portion------------------------------------- 2