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1. Compute the discharge for a rectangular channel that is 64.6ft (20m) wide, the flow depth is 4.8ft (1.5m), the channel is concrete lined, and the slope of the channel bed bed is 0.015 ft/ft(m/m.
2. Use Manning's equation to determine the average velocity of a stream if the roughness coefficient n is increased by weed growth from 0.03 to 0.05. Assume S and R do not change and the average velocity with a roughness coefficient of 0.03 is 6ft/s.
Four liters of water are equilibrated with a gas mixture containing carbon dioxide at a partial pressure of 0.3 atm. Henry's law constant for H2CO3* solubility is 2.0g/L-atm.
A glass tube with inside diameter of 2-mm is inserted vertically into a dish of mercury at 20°C. Determine the difference in mercury levels inside and outside the tube.
A hollow rectangular steel beam is 18 cm deep by 10 cm wide, outside dimensions. The walls are 2 cm in thickness. From the shear and moment diagram, the maximum vertical shear on the section is 180 kN
A city is subjected to occurrence of hurricane and tornado with the average probabilities of 0.3 and 0.2 per year, respectively. Assume occurrence of these events is statistically independent.
Ravg for a metal where the R values for the 0°, 45°, and 90° directions are 0.9, 1.7, and 1.8, respectively. W hat is the limiting drawing ratio (LDR) for this material?
If A cross product B = the vector C, calculate the angle "a" between the vectors A and C and between the angle "b" between the vectors B and C.
Determine the compositions and quantities of gas and liquid when 1 lb mole of a mixture of 30 mole percent methane and 70 mole percent ethanol is brought to equilibrium at 0 F and 500 psia.
The factor of safety is defined as the ratio of the stabilizing moment divided by the overturning moment. The densities of concrete and water are = 2.40 and = 1 , respectively. Assume that the dam does not slide.
Assume you are an observer standing at a point along a three-lane roadway. All vehicles in lane 1 are travelling at 30 mi/h, all vehicles in lane 2 are travelling at 45 mi/h, and all vehicles in lane 3 are travelling at 60 mi/h. There is also a const..
A spring is used to stop a 50 kg package which is moving down a 20 degree incline. the spring has a constant of 30kN/m and is held by cables so that it is initally compressed 50mm
in the first couple steps you are using the sine function to derive that the interior triange BCG is a right triangle. However, the sine function, by definition, is opposite divided by hypotenuse.
At what depth will water flow in a 10 m wide rectangular channel, if n=0.01, S=0.0015 and Q=9m^3/s
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