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The 10-lb lamp fixture is suspended from two springs, each having an unstretcfhed length of 4 ft and stiffness of k=5lb/ft. Determine the angle theta for equilibrium.
On average each student produces 1 kg of carbon dioxide per day. The recommended ventilation rate of fresh air to avoid excessive carbon dioxide buildup is 8 L per second per student.
Why is the ‘time value of money' important for the evaluation of engineering projects? Provide at least one practical example to support your view (max 2 pages)
if point D is at (100,100) and the line DE to "E" is 300 feet long at an azimuth of 225 degree , what is location of point E in the XY coordinate system. what is the length and azimuth of the line connection points (100,100) to (300,500)
differential leveling between benchmarks A,B,C,D, and A gives elevation differences(m) of -15.632, 32.458, 38.214, and -55.025, and distances(km) of 4,6,5, and 3 respectively.
Maintenance expenses for a bridge in Georgia are estimated to be $200,000 for the first eight years followed by two separate million dollar expenditures in years 12 and 18. The expected life of the bridge is thirty years.
The inlet of loe pressure turbine is 500Kpa and 500°C. Condenser operates at 10 Kpa. Determine the mass flowrate through boiler needed to produce 5000KW of power.
A pipe 1ft in diameter bends through an angle of 135 degrees. The velocity of flow of gasoline ( S = 0.8) is 20ft/s and the pressure is 10psig in the bend. What external force is required to hold the bend against the action of the gasoline
A total of 13,610 kg/h of air at 1 atm abs pressure and 15.6C is to be heated by passing over a bank of tubes in which steam at 100C is condensing. The tubes are 12.7mm OD, 0.61 m long, and arranged in-line in a square pattern with Sp=Sn= 19.05mm.
If direct runoff hydrgraph derived from a unit hydrograph of a catchment (drainage area = 50 acre) is 120 acre-ft, back calculate the rainfall amount. Assume total abstraction in the area is 50%.
A vertical triangular orifice in the wall of a reservoir has a base 0.9m long,0.6m below its vertex and 1.2 m below the water surface. determine the theoretical discharge?
Geometric design and construction of a new two-lane two-way road has been recently completed and now it is time for design pavement near Ballarat, Victoria.
the rigid bar abcd is supported by a pin at B and restrained by identical steel bars at C and D, each of area 250mm^2. if the temperature is increased by 80C, determine the force P that will cause the bar at c to be stress-free.
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