CE 2450 : Practice Exam
Document Summary
Fall 2013: write your name and section number on your bluebook and exam paper, no questions will be allowed once the exam begins. Indicate both magnitude and direction for all forces. Problem 1: calculate the minimum horizontal force p required to raise the. The coefficient of static friction between the rope and the dowels is 0. 40. Problem 3: the cross section of a fresh-water tank with a slanted bottom is shown. The rectangular door shown has a width of 0. 8m. The door is hinged at a and is opened against the pressure of the water by the cable under a tension p as shown. a) draw a fbd of the gate b) calculate p ( = 9810 n/m3) Problem 5: two l76 x 76 x 6. 4 mm angles are welded to a c250 x 22. 8 channel. Determine the moments of inertia about the centroidal x- and y- axes.
