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Determine the hydrostatic force on one side of a vertical clrcular gate of diameter 1.5m when its centre is immersed at a depth of 6m neto-w tne free surface of water in a reservoir. Determine also the depth from the surface to the line of action of this force. you are reminded that the second moment of area for a circle about its centroid is given as:
Ic - nd4 /64 where d = diameter.
Explain briefly what additionalforce you would need to calculate if the gate were located in an embankment inclined at an angle 0
A channel of a rectangular section is to take a certain discharge Q at critical flow; prove that for the wetted perimeter, P=b+2y to be minimum, the water depth must be three-quarters of the width
An interesting application of the relative motion equations is the experimental determination of the speed at which rain falls. Say you perform an experiment in your car in which you park your car in the rain and measure the angle the falling rain..
using a prism and prism pole in conjunction with a total station, the bottom of the prism pole is placed on point A. the distance from the bottom of the prism pole to the center of the prism (HR) is 4.97 feet.
A 10cm long cylindrical rod of steel is elongated to become 12.1cm long by the application of a force of 10kN. 1- What is the ration of initial diameter to final diameter, assuming no net volume change
A weightless piston is placed on the liquid surface and the water level stabilizes (also in the small tube) to a level of h. Next, a weight of 10 kg is placed on the piston causing the liquid in the small tube to rise.
Calculate the length of 10 equal-sized aeration basins for secondary treatment of a wastewater flow of 10 MGD with 20,000 lb of BOD per day for a conventional activated sludge process with a maximum loading of 40 lb BOD/ 1000 ft3*d.
FOR WHAT REASON WOULD YOU NEED TO USE DARCY'S LAW IN THE FOELD RATHER THAN IN THE LABORATORY
Calculate the IEEE double precision floating number immediately greater than the minimum number in double precision in both binary and decimal form
A civil engineering student contends that 60 mph is safe in a van because of the higher drivers line of site. If all other design inputs are standard, what must the drivers eye height be in the van for the students claim to be valid
The National Institute for Occupational Safety and Health (NIOSH) sets standards for CCl4 in air at 12.6 mg/m^3 of air (a time average over 40 hr). The CCl4 found in a sample is 4800 ppb. Does the sample meet the NIOSH standard
a cantilevered bean has a lenght of L, a cross section area of A, and a flecural rigidity of EI. The free end is free to rotate and displace due to bending. derive the stiffnes of the cantilevered bean. Assume small deformations.
The arrival rate at a parking lot is 6 veh/ min. Vehicles start arriving at 6: 00 P. M., and when the queue reaches 36 vehicles, service begins. If company policy is that total vehicle delay should be equal to 500 veh-min, what is the departure ra..
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