Engineering, 04.12.2020 19:20, 21hendlill
Lucy is assessing the failure of an apartment building's plumbing and lighting systems during a recent heavy storm that si
through the city. Structurally, the building handled the storm well, but its water and lighting systems were overwhelmed en
though other buildings nearby maintained full function. In addition to focusing on the problem of why building services we
interrupted, what areas of resilience would be best for Lucy to evaluate? (Select all that apply.)
focus on basic human needs
flexible and passive systems
durability
diverse and redundant systems
Answers: 2
Engineering, 03.07.2019 15:10, margaret1758
If you were designing a bumper for a car, would you prefer it to exhibit elastic or plastic deformation? why? consider the functions of a bumper in both a minor "fender-bender" and a major collision.
Answers: 1
Engineering, 04.07.2019 18:10, siri5645
At 12 noon, the count in a bacteria culture was 400; at 4: 00 pm the count was 1200 let p(t) denote the bacteria cou population growth law. find: (a) an expression for the bacteria count at any time t (b) the bacteria count at 10 am. (c) the time required for the bacteria count to reach 1800.
Answers: 1
Engineering, 04.07.2019 19:20, anggar20
Air enters a horizontal, constant-diameter heating duct operating at steady state at 290 k, 1 bar, with a volumetric flow rate of 0.25 m°/s, and exits at 325 k, 0.95 bar. the flow area is 0.04 m2. assuming the ideal gas model with k = 1.4 for the air, determine (a) the velocity at the inlet and exit, each in m/s, and (c) the rate of heat transfer, in kw flow rate, in kg/s, (b) the mass kg 0.3
Answers: 2
Lucy is assessing the failure of an apartment building's plumbing and lighting systems during a rece...
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