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As an engineering expert on a state planning board, you have to decide which traffic safety projects (involving installation of traffic lights, road-widening, etc.) should be funded by the state. Previously these matters were decided politically: each region received roughly equal funding, which tended to maximize voter satisfaction and ensure re-election for the politicians. But now non-elected engineering experts such as yourself will decide these matters.
On what grounds should decisions such as these be made? What would be the soundest and most ethically justifiable way for you to allocate the funds?
In particular, would a utilitarian approach (the greatest good for the greatest number) be the best way to allocate funds? But there is a potential problem with this approach. Since the greatest number of people live in cities and suburbs and very few in rural areas, it is likely that scarce funds would always tend to be allocated to cities with this approach, with almost none going to sparsely-populated areas. This policy may tend to save the greatest number of lives or minimize accidents overall, but is it not very unfair to those living in or traveling through rural areas?
But on the other hand, how could you justify spending scarce resources in rural areas when you know that this would benefit far fewer people than if you spent the money in cities instead?
an ice chest is constructed of 0.4 mm thick plain-carbon steel plate a 1.9 cm thick layer of styrofoam k0.033 wm c and
Water at 20 C flows across a flat plate at a velocity of 0.25 m/s. compute the distance from the plate’s leading edge to where the laminar boundary layer thickness is 3 cm. Verfiy that the flow is indeed lamiar at this distance.
A cooler in an air conditioner brings 0.5 kg/s air at 35oC to 5oC, both at 101 kPa and it then mix the output with a flow of 0.25 kg/s air at 20oC, 101 kPa sending the combined flow into a duct. Find the total heat transfer in the cooler and the t..
Note that the direction of motion can be determined in this manner, by using level detection of one signal during the up-transition of the other signal.
Determine the amplitude of motion of the machine, the phase shift of the motion (with respect to a zero phase exciting force), the transmissibility ratio.
A quartzitic sandstone has a bulk modulus of 47.1 GPa and a shear modulus of 42.8 GPa. Find the values of the other moduli
a thermodynamic cycle consist of i 1-2 constant pressure process with p11.4 bar v1 0.028 m3 w1210.5 kj ii 2-3
two kilograms of air within a piston-cylinder assembly executes a carnot power cycle with maximum and minimum
Find the relative velocity of the systems.
a gas-turbine power plant operates on a simple brayton cycle with air as the working fluid. the air enters the turbine
What is the molar diffusive flux of O2 through the mem- brane? What are the molar concentrations of O2 on both sides of the membrane (outside the rubber)?
Classify these devices into long-range (up to several meters), intermediate range (up to 1 m), and short-range (up to a fraction of a meter) detection.
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