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3 An existing trunk sewer ABC has a diameter of 600 mm (see Fig. Q4). The length of sewers between successive manholes A to B and B to C is 50 m. The sewage flow from a new development at X (ground elevation = 536.35m) to the north of the trunk sewer is planned to be conveyed in a new sewer line XB (distance = 50m) to discharge in manhole B. The average flow is estimated to be 300 Lpcd, and the peaking factor is 3. The following limitations are given Vmin = 0.75 m/s, Vmax = 3.0 m/s, n = 0.013, minimum cover = 1.5 m. Determine the following:
(i) The maximum population that can be served from the new development without exceeding the capacity of the trunk sewer.
(ii) Diameter, slope, and invert elevations of sewer XB.
If t his house were heated instead by a heat pump that has an average COP of 2.4, determine how much money the homeowner would have saved that month. Assume the price of electric power is $0.085 per kW - hr.
Knowing that G = 11.2 x10^6 psi, determine the maximum shearing stress in each shaft when a torque of T of magnitude 420kip*ft is applied to the flange indicated. And the torque T is applied to flange B.
A survey of similar facilities indicates that one parking space must be provided for every one employee and that 60% of all automobiles driven to work are compact automobiles, six percent of the spaces should be allocated for the handicapped.
ship A leaves port sailing in a direction 60 degree C north of due east and sails for 12 hours at 10 knot . Sheep B leaves the same port 3 hours later and sails due east at 25 knot for 9 hours.
compute normal and critical depths in a concrete culvert(n=0.015)with a diameter of 36in.and a bed slope of 0.002ft/ft if the design discharge is 15cfs.is the slope steep or mild?reap for S= 0.02ft/ft.
The setting velocity of a particle is 0.002 m/s and the overflow rate of a settling tank is 0.008 m/s. (a) what percent of the particles does the settling tank capture. If the particles are flocculated so that thie rsettling rate is 0.05 m/s
A 50-ohm electrical resistor carries a current of 5 amperes. The resistor is maintained at a temperature of 30o C. Determine the rate at which heat must be transferred to the surroundings
Discuss how relative motion is a critical issue in the midair refueling of aircraft. Would control of this process be with the pilot of the tanker or the aircraft being refueled
The number of telephone call coming in the business switchboard average 4 minutes/call. Let x be the number of calls received, Poisson variable. a. What is the probability there will be at least one call in a given one minute period.
Beginning whith the 1-D, steady state, general mass(volume) balance equation Qin-Qout=0 derive the 1-D poisson equation.
A rectangular channel of 2 m depth and 5 m width carries 1 m deep running water. It is laid to a slope of 0.001 with Manning's n = 0.02. Some distance downstream there is a hump of height 0.5 m on the stream bed.
A sample of moist soil has a volume of 40.5 cc mass weight of 59.2 gms. After drying it has a mass weight of 48.3 grams. The specific gravity of the solids are 2.68.
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