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Prepare a preliminary design of a system to collect dust from a plant under the following conditions:
Sample of Dust: 50% by wt. below 30 micrometers; 80% by wt. below 70 micrometers
Density= 2.5 g/cubic cm
Gas Flow Rate: 30,000 acfm (actual cubic feet per minute) +- 5000
Particle Loading: 0.5 to 4 grains/cubic feet, avg=1.5 grains/cubic foot
Emission Limit: 1.5 lb/hr
Design a cyclone collection system which might meet the minimum limits. Provide a reasonable pressure drop through the cyclone (i.e., 8-10 in H2O)
Collars A and B are connected by a 25 in long wire and can slide freely on frictionless rods. If a 60 lb force Q is applied to B. determine tension in wire when (black) x = 9 in and b) corresponding mag of force P required to maintain equilibrium ..
If the systems will reduce insurance claims by $100,000 two years from now, how much should the company be willing to spend now, it is uses an interest rat of 12% per year
Calculate the uniform flow rate in an earth-lined (n = 0.020) trapezoidal canal having bottom width 3 m, sides sloping 1V : 2H, laid on a slope of 0.0001, and having depth of 1.8 m.
At the reference temperature, three identical rods of length L form a pin jointed truss in the shape of an equilateral triangle, ABC. Determine the angle theta as a function of delta T, the temperature increase of the rod AB.
At a distance of 20 km downstream of the plant, the river has an ultimate CBOD of 10 mg/L. The state has set an ultimate CBOD discharge limit for the treatment plant of 2000 kg/day.
A 6 inch X 4 inch rectangular beam is subjected to a maximum shear force of 1900 lbf. Determine the shear stresses at each of the following points on the beam cross section:
When a 60 kg boy floats in the pool 93% of his body is submerged. How much force must he exert to stay submerged on the bottom of the pool to remain fully submerged
determine the slederness ratio of a 5m column with built in ends if its cross section is circular with a radious of 40mm abd b 50mm square use the concept of effective length
A 2 foot tall multi-stage weir placed in a channel to cause the water to flow over the contracted weir at a height of 0.75 feet. There are 2 contractions and the original length is 6 feet. What is the discharge, in cubic feet per second
is fabricated of two 300 mm X 25 mm flange plates and a 800 mm X 16 mm web plate. the plates are joined by four fillet welds that run continuously for the length of the girder. each weld has an allowable load in shear of 920 kN/m.
A WTP Operator is trying to size a pump that takes water from a WTPholding tank and sends it to a house on a hill above theplant. The operator's goal is to have 60 psi of waterpressure entering the house. The operator knows that the head loss (major+..
In the summer, the density at the top of the lake is 997 kg/m3, and at the bottom is 1000 kg/m3. Would you predict stratification to be present, and if so assume an epilimnion depth of 4m. Will the pesticides threaten the fish population during the s..
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