L39_FinalReview-10

# L39_FinalReview-10 - the principal stresses and orientation...

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EAS 209-Spring 2010 Instructors: Christine Human 4/23/2010 1 Lecture 39 – Review Lecture 39 Review Question 1 Two columns are used to support a block weight 3.25 kips in each of the four ways shown. (a) Knowing that the column of Fig (1) is made of steel with a 1.25-in diameter, determine the factor of safety with respect to buckling for the loading shown. (b) Determine the diameter of each of the other columns for which the factor of safety is the same as the factor of safety obtained in part a. Use E=29x10 6 psi.

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EAS 209-Spring 2010 Instructors: Christine Human 4/23/2010 2 Lecture 39 – Review Question 2 For the loading shown, and knowing that beams AB and DE have the same flexural rigidity, determine the reactions (a) at A , (b) at E .
EAS 209-Spring 2010 Instructors: Christine Human 4/23/2010 3 Lecture 39 – Review Question 3 Knowing that the inner and outer diamaters of the pipe are 1.5 in. and 1.75 in. respectively, determine

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Unformatted text preview: the principal stresses and orientation of principal planes at H EAS 209-Spring 2010 Instructors: Christine Human 4/23/2010 4 Lecture 39 – Review Question 4 Two 24-mm diameter aluminum rods are welded together to form the T shape hanger shown. Knowing that E=70 GPa and G=26 GPa, determine the deflection at (a) end A, (b) end B. EAS 209-Spring 2010 Instructors: Christine Human 4/23/2010 5 Lecture 39 – Review Question 5 A circular cylindrical steel tank contains a fuel under pressure. A strain gage at point A records the longitudinal strain in the tank and transmits this information to a control room. The ultimate shear stress in the wall of the tank is 82 MPa and a factor of safety of 2 is required. At what value of strain should the operators take action to reduce the pressure in the tank? (E=205 GPa, ν =0.3) Copyright 2005 by Nelson, a division of Thomson Canada Limited PROB. 8.3-6...
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## This document was uploaded on 12/19/2010.

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L39_FinalReview-10 - the principal stresses and orientation...

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