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1.Calculate the maximum pressure developed when a 10 in. thick wall 10 ft high is to be poured at the rate of 3ft/hr at a temperature of 70 degrees F.
2.A sulfuric acid solution is added to scale-forming water to convert calcium carbonate to calcium bicarbonate. Writer the chemical equation for the reaction, and calculate the amount of sulfuric acid in milligrams per liter to neutralize 20 mg/l of calciums carbonate.
if water sample contains 40 mg/l of ca++ and 10 mg/l of mg++, what is the hardness expressed in milligrams per liter as CaCO3 .
what is the probability that less than 0.5 inches of precipitation will occur in any January? What is the probability that more than 2.5 inches wil
A corporation issues a new 10 year bond that has a coupon rate of 4.65% with quarterly dividend payments. Alex purchases 200 of these bonds at a price of $98.75, for a total investment of $19,750. Assuming he holds them to maturity, what will be..
If the effective stack height of the plant is 100 m, and the ground reflects the SO2 emission perfectly what is the SO2 concentration at a sampling point located 2 m above the ground in the town.
For the data given below, derive the 2-hr unit hydrograph for a watershed having a drainagearea of 216 km^2, assuming a constant baseflow of 20 m^3/s.
A meat packing plant manager is trying to decide between twodifferent methods for cooling cooked hams. the spray methodinvolves spraying water over the hams until the ham temperature isreduced to 30 degrees Celcius. With this method approximately 80l..
The slope of the hill is such that for each mile (5280 ft) of horizontal distance, the change in elevation is Δz. Determine the maximum value of Δz if the flow is to remain laminar and the pressure all along the pipe is constant.
a river diversion canal discharges into a concrete flume of rectangular section running down a steep slope. the walss and the floor of the flume are to be 300 mm thick, and the allowance fro freeboard is to be 300mm.
Design a parshall flume to handle 24mgd in a 10ft wide channel at a downstream depth of 3 ft. If the channel floor is at elevation 65.7ft, what is the water elevation upstream of the flume
A 12 foot W14 X 22 column with pinned ends is axially loaded. The max load it can carry is 34 ksi. Determine (a) Euler buckling stress, (b) Euler buckling load. (A = 6.49 in^2) (ry = 1.04 in) (Iy = 7.00 in^4)
The 30-Mg freight car A and 15-Mg freight car B are moving toward each other with the velocities VA= 20 km/h to the right and VB= 10 km/h to the left. the spring constant on car A is k= 3MN/m.
Land is extremely valuable in this area therefore to win this job you need to consider innovative approach to reduce the waste areas
The New Jersey Surety Association, in various documented publications discusses the Surety’s relationship with their clients, the best ways to better know your Surety and a brief overview of why the Construction Business can fail.
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