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Soda Ash and QuickLimeA lime-soda softening plant treats a flow of 150 MGD, and the water has 86mg/l Ca2+, 35 mg/L Mg2+, 299 mg/L HCO3- and 6mg/l CO2. The commercial grade of quicklime has a purity of 85% and the soda ash has a purity of 95%. Determine:a. The pounds of quicklime and soda ash required per million gallonsb. The tons of quicklime and soda ash required per month if a month is considered to be 30 days.
At what temperature does the liquid solidify? What is the composition of this last remaining liquid phase?
A 2000-lb wheel load is to be supported by aggregate over soil with a maximum bearing pressure of 1000 lb/sqft. What depth of aggregate is needed if the angle theta is 40 degrees?
Identical bricks 0.1m wide, and weighting 2kg are placed on a plate (assume the plate has neligible weight). Calculate the total weight (and force F required to balance the plate).
The scale of a spring balance reading from 0 to 235 N has a length of 13.0 cm. A fish hanging from the bottom of the spring oscillates....
A 30mm pipe X 460 mm rectangular duct carries air. What size square conduit is needed to transport 4m cube per sec of water at a distance of 45m and head loss of of 1.08m.
A cross section of a cottage, 20 ft wide, is an isosceles triangle. If the slope of a side is 1.75 and there is a second floor 8 ft above the ground floor, what isthe width of the second floor?
Three days later, Abu sees his solicitors and executed the transfer of his said bungalow to Abdul Samad at the said value. Two month later, Abdul Samad expelled Abu from the religious group. Abu now wants to set aside the sale of his bungalow.
Derive an equation that allows you to compute the diameter of the drain hole for a desired steady water height in the tank for the design condition inflow and pumping rates.
An object is thrown downward from a 150-ft cliff with a velocity of 45m/hr so that it makes an angle of 60° with vertical face of the cliff.
The 3.5-Mg engine is suspended from a spreader beam having a negligible mass and is hoisted by a crane which exerts a force of 40 kN on the hoisting cable. Determine the distance the engine is hoisted in 2.4 s, starting from rest.
What mass (in grams) of steam at 100°C must be mixed with 387 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 26.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, ..
Name three types of metamorphic foliations, and draw a small sketch that shows a situation. Where a metamorphic foliation could cause problems in an excavation.
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