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For each of the cases shown in Fig. P7-24, determine the discharge velocity, the seepage velocity, and the seepage force per unit volume for
(a) a permeability of 0.1 cm/s and a porosity of 50% and
(b) a permeability of 0.001 cm/s and a void ratio of 0.67. (After Taylor, 1948.)
If the peak-hour factor is .90 and all of the drivers are regular users, what is the level of the service of this compound-grade freeway segment?
Water from a lower reservoir (water surface elevation) 500 m is pumping to the upper reservoir (water surface elevation 600 m) through a 5000 m long straight pipe with 0.5 m diameter.
A steady fire with an energy release rate of 500 kW occurs in a room 3m wide, 3m long, and 2.4 m high, with a door opening which is 1.8 m high and 0.6m wide. the ambient temperature is 20 degree celcius.
Determine the side slopes (i.e. 1:3, etc.) of a suppressed (n=0) trapezoidal sharp crested weir with width B and upstream head H so that the discharge through it is the same as that through a rectangular sharp crested
determine critical depth in a circular pipe of 36 inches diameter and roughness coefficient of 0.015 The flow rate is 15 cfs , So = 0.002
A two story school has interior columns that are spaced 15 ft apartin two perpendicular directions. If the loading on the flat roof isestimated to be 20 lb/ft^2 determine the reduced live loadsupported by a typical interior column at
The blade height is 1.0 m, and the inlet radius of the rotor is 7.0 m. The flow exits the turbine in a radial direction. (a) If the angle between the radial direction and the absolute velocity at the inlet is 30o
A mass of 200g of saturated liquid water is completely vaporized at a constant pressure of 100KPa. Determine a) the volume change b) the amount of energy added to the water
A deposite of soil is 16m deep and overlies an impermeable stratum , the coefficient of permiability is 10^-6 m/s. A sheet pile wall is driven to a depth of 12 m in the deposite. The difference in water level between the two sides of the piling i..
Water at 25°C is flowing in a buried irrigation ditch below ground. Every 100 feet there is a vent line 1.o inches in inside diameter and 1.0 foot long to the outside atmosphere at 25°C.
A person on the moon wishes to determine the mass of a rock. He has a spring scale calibrated to read pounds mass at a location where the acceleration of gravity is 32.186 ft/s 2 . The rock gives a reading of 18.76 on this scale.
A bicyclist travels on a level path. The frontal area of tje cyclist and the bicycle is 2 ft^2 and the drag coefficient is .8. The specific weight of aire is .075 lb/ft^3
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