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A fireboat pump draws seawater (density=1.95 slugs/ft^3) from a 6 inch diamter submergred pipe that reaches 6 feet under the free surface and discharges 120 ft/s through a 2 inch diamter nozzle 10 feet above the free surface. If the pump is rated at 12 horsepower, how effiecient is the pump? Assume uniform steady flow and a total head loss of 3 ft through the pumping system.
An ogee spillway of a gravity dam is to be modeled using water. The spillway section is 40 feet high, its crest length is 60 feet and the maximum discharge is 3,000 CFS when the head on the crest of the spillway is 5 feet. Using a model scale of 1:10..
A process in a plant is to be revised such that the air flow rate through a system will increase from 8000 cfm to 10,000 cfm. The existing fan runs at 1600rpm and provides 6.0 in. H2O SP.
Determine the ASD reference and adjusted design values for the following members and loading conditions. All members are Select Structural Southern Pine and are fully braced to prevent lateral torsional buckling. Bending Occurs about the strong ax..
The first pipe of 0.4-m diameter is 500 m long, the second pipe 600 m long, size 0.3 m, and the last pipe is 500 m long of diameter 0.2 m. If the elevation difference between two reservoirs is 30 m, calculate equivalent pipe size and flow in the p..
A plate 6 inch wide and 1/2 inch thick is lapped over and welded to a gusset plate. determine the minimum length of a 5/16 inch, side fillet weld that will be necessary if the plate is subjected to an axial stress of 20 ksi
If the dry-rodded unit weight of an aggregate is 105 lb/ft3 (1680 kg/m3) and its specific gravity is 2.65, determine the void content.
Draw the shear force and bending moment diagrams for the beam, making sure to include values for the maximum positive and negative bending moments and their locations. Also determine the distance from the left hand end of the beam to the point whe..
After drawing a free body diagram, how do you determine what the forces are in the Ax, Ay directions, etc. without being given any numbers
A horizontal cylindrical tank 4 ft in diameter and 10 ft long is full of water. Find the work done in pumping the water to a point 4 above the top of the tank.
If the design speed of a multilane highway is 60 mph, what is the minimum sight distance that should be provided on the road if (a) the road is horizontal and (b) the road has a maximum grade of 5%? Assume the perception/reaction time is 2.5 seconds...
A large stream flowing through a highly industrialized area must serve as the source of a community's water supply. The turbidity of the water ranges from 30 to 60 NTU, alkalinity exceeds 100 mg/L.
A certain crop has a consumptive use requirement of 1.2 ac-ft of water per acre of crop land. The crop is planted on 780 acres of land. Precipitation falling during the growing season is 3.2 inches. The remainder of the 1.2 ac-ft /ac
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