The block is 6400. will rate The system shown is in equilibrium. It is known tha

Question

The block is 6400. will rate

The system shown is in equilibrium. It is known that the moment at E is 1200Ib-ft counterclockwise and that the weight of block (J) on the incline is 10001b. Find: a) W_a and W_b, b) tension coming off the pulleys at C, d) tension DG, e) force in bar GH and tension (T) attached to block J, f) normal force on the block, g) stiffness of spring 5, h) forces in each of the springs. Springs 1, 2, 3 and 4 have stiffness's of 40001b/ft, 30001b/ft, 2807.51b/ft, and 1422.51b/ft, respectively. Springs 1 and 5 are observed to deform 0.4' and 0.5', respectively.

Explanation / Answer

The reliability of the station must be 0.995 at the end of the first year.

a) Determine the percentage increase in reliability for each of the major subsystems needed in order to reach the system goal. Assign equal reliability goal to all subsystems.

b) If redundancy is the only means of achieving further reliability growth for each of the subsystems, what is the minimum number of redundant units of each necessary to achieve the component reliability goals?

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