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A hortizonal rectangular concerte channel terminates in a free outfall. The channel is 4 m wide and carries a discharge of waterr of 12 cubic meters per second.
During a shrinkage limit test on a silty clay, the volume of the dry soil pat was found to be 11.02 cm3 and its dry mass was 22.78 g. If the shrinkage limit was 10.9, what is the density of the soil s
A worker slowly moves a 50-kg crate to the left along a loading dock by applying a force P at corner B as shown. Knowing that the crate starts to tip at about the edge E of the loading dock when a=
estimate the concentration and the mass emission rate of NOx if a coal containing 1.5% nitrogen is combusted at 1400 k using an air/fuel ratio that is 1.5 times the stoichiometric ratio.
A combined footing is subjected to an exterior 16 in. x 16 in. column abutting the property line carrying a total service load Pw = 300,000 lb and an interior column 20 in. x 20 in.
A certain element of soil is subject to a mean normal stress of 420 kpa and a deviator stress of 280 kpa. The major principal plane is rotated 30 degrees counterclockwise from horizontal.
As the weather forecasters frequently state, the atmospheric pressure drops during stormy weather and it rises during clear and sunny days.
A refrigerator compressor compresses 0.5 kg/s of saturated R-134A vapor at -10C to 1000 kPa and 50C. The compresser has a point that is not insulated and losess heat to the surroundings,
Size an orifice and a weir for problem 2 on page 398 and 399 of the text book to achieve a flow rate of 1 cfs at an elevation of 102.5 feet and a total flow rate of 50 cfs at an elevation of 106 fee
Determine the maximum possible precipitation at New York City that may be encountered on a 100 mi^2 drainage area over a 96 hr period.
By continuous discharge measurements the discharge in stream was determine over a 3-year period. After the data were assembled, it was found that the discharge exceeded 120 cfs 3 percent of the time
A 300-acre forested watershed in fair hydrologic condition located on the clayey flat coastal region of Southern California receives 4.0 in. of rain in a 24 hr period.
A 2.5 hr long uniform rainfall resulted in runoff hydrograph that has the shape of an equilateral triangle. The base of the triangle is 64 hr; the peak flow is 535 cfs; the drainage area is 5.7 mi^2
A culvert under a road must be 35m long, have a slope of 0.0035 and carry 4m^3/s. The crown of the roadway is 4.2m above the culvert invert. Assume the outlet will discharge freely.
Compute the 50 year flood discharge on a large creek in Northern Ohio if the total discharge area is 75 mi^2. The average soil infiltration is 0.5 in./hr; the main channel slope is 0.008.
(1) a constant wind velocity that is twice the mean wind velocity and operating half the time; and (2) a constant wind velocity that is three times the mean wind velocity operating one-third of the
Determine a set of a rectangular beam design values b,d and As that will be needed to support a factored bending moment Mu= 450 Kip-ft. Use f'c= 4500 psi and fy= 40000 psi.
Design a one way slab to support a uniform live load of 300 psf. The beam is simply supported with a span of 20 ft. Use a reinforcement ration ( Ps) of 0.008 Use f'c=3000 psi and fy=60000 psi.
beam is 24 inch deep, the steel stirrup used is number 4,a 1 1/2 inch. concrete cover on both sides. Sketch how you will place the bars and calculate the location of the effective depth.
The following data apply to a closed link traverse. Compute preliminary azimuths, adjust them. and calculate departures and latitudes, misclosures in departure and latitude, and traverse relative pr
the outer diameter of this sleeve is 20 mm, and its inner diameter is 10 mm. if the yield stress for the steel is (sy)st = 640 MPa, and for the bronze (sy)br = 520 MPa determine the magnitude of the
A circulatr concrete column with a diameter of 8" has spiral reinforcing. Find the capacity of the column with 1% reingforcement. Find the capacity of the column with 8% reinforcement.
Rope BCA passes through a pulley at point C and supports a crate at point A. Rope segment CD supports the pulley and is attached to an eye anchor embedded in a wall.