Determine the corresponding mttf for each computer
Two identical and CFR computers are placed in a redundant configuration. If the system reliability is to be 0.95 at 3000 operating hours, determine the corresponding MTTF for each computer.
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A 0.12-ounce bullet hits at 2000 ft/s a suspended 10-lb block of wood and becomed embedded in it. The angle α through which the wires supporting the block rotate as a result of the impact is measured and determined to be?
What would have been the origins of the similitude and what would generate the differences between the two interference patterns?
The 50-lb package starts from rest, slides down the smooth ramp, and is stopped by the spring. The coefficient of static friction between the package and the ramp is μs=0.12.
A cat is laying in front of a convex lens in such a way that his body is aligned to the optical axis of the lens, its head closer to the lens than its waving tail.
Estimate the extent of reaction (monomer conversion) necessary to produce a number average molecular weight of 70,000. What will be the polydispersity index of this polymer?
10.0 kgm of air is contained in a cylinder by a free-floating, frictionless piston. Initially the air is at 27 C and occupies a volume of 2.87 m^3 and the piston is resting on a set of stops.
The amount of energy transfer to the gas by work is 45 Btu/lb of CO2. Determine the final temperature and heat transfer in Btu/lb gas.
In order to have the machine deliver 100,000 Nm/kg of air without any heat input, what is the exit air speed? What is the exit speed when the machine is idling?
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