Mechanical Engineering > QUESTION PAPER (QP) > Boazii UniversityMECHANICAL ME 324Selected Midterm 1 Problems (All)
Boazii UniversityMECHANICAL ME 324Selected Midterm 1 Problems
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Selected Midterm I Questions 1. The figure shows a forklift truck passing over two 15-deg ramps (one for each side) to drive onto a 120 cm-high loading platform. The truck weighs 44 kN. The distance ... between the wheels (b-a) is 105 cm. The cross-sections of the ramps have a channel shape as shown. Assume that the forklift travels over the ramps slowly such that the loading on the ramps may be taken as static. Design the ramps to have a safety factor of 3.0 against yielding for the worst case. Try to minimize their weights. Choose an appropriate steel or aluminum alloy. The distance between the center of mass and the front wheel (CGa) is 75 cm and the distance between the center of mass and the rear wheel (CGb) is 30 cm. The width of the ramp (w) is 30 cm. [Show More]
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