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Northern Tundra Telephone (NIT) has received a contract to install emergency phones along a new 100-mile section of the Snow-Moose Turnpike. Fifty emergency phone systems will be installed about 2 miles apart. The material cost of a unit is $125. NTT will need to run underground communication lines that cost NTT $7500 per mile (including labor) to install. There will also be a one-time cost of $10,000 to network these phones into NTT's current communication system. You are asked to develop a cost estimate of the project from Nit’s perspective. If NTT adds a profit margin of .35% to its costs, how much will it cost the state to fund the project?
A CU triaxial test with σc = 20 psi is performed on a sand and a deviator stress of 80 psi fails the specimen. Previous tests revealed that the effective friction angle for this sand is 35°. Calculate the pore water pressure at failure.
Steam enters the turbine of a single vapor power plant with a pressure of 10 MPa and a temperature of 580 C and expands adiabatically to 6 kPa. The isentropic turbine efficiency is 85%. Saturated liquid exits the condenser at 6 kPa and the isentropic..
Why is the torque on A and the torque on AB opposite? Wouldn't they be the same? How do we know which direction the torque is applied at A to begin with? It's not specified.
a closed tank contains two straified non misicble fluid layers and compressed air. the fluid of the tank is saline water (relative density 1.036) with a total depth of 3.5m. the top fluid layer is oil (relative density of 08.2) with a depth of 0.6..
Compute the maximum service load (25% dead and 75% live) acceptable for a structural tee WT12x38 when used in a truss location where it is braced in the plane of the truss at 20 ft intervals and braced transverse to the plane of the truss at 10 ft..
a piston moves a 25kg hammerhead vertically down 1m from rest to a velocity of 50m/s in a stamping machine. what is the total change in energy of the hammerhead
A heat pump is used to heat a room where the outside temperature is -10°C. If the heat pump requires a power input of 2 kW, and the room requires a heat input of 15 kW to maintain the temperature at 25°C,
The City of Leadville (dimensions 120 * 120 km ) is characterized by an average daily emission rate of 4700 kg/d of particulate lead into the atmosphere from auto exhaust and industrial processes.
As a tide enters a river and propagates upstream, the water depth at a given location is 3.7m . At this location the tide range is 1m . If the dominant tidal compeonent has a period of 12.4 hours, estimate the peak flood tidal flow velocity at thi..
For a 42-inch concrete stormwater pipe (n = 0.014), laid on a slope of 0.025%, carrying a flow rate of 10 cfs, what is the normal depth
If a W14x53 is 20 ft long (simply supported) and is loadeduniformly to its moment capacity what is the maximumdeflection? What will be the uniform load so to get the maximum deflection?
Consider a rectangular wastewater treatment cell having a length of 100ft, width of 20ft and depth of 20ft. If the flow into the cell is 50ft^3/min, calculate the residence time of the treatment cell.
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