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ferryboat queuing lane holds 40 vehicles. If vehicles are processed (tolls collected) at a uniform deterministic rate of 5 vehicles per minute and processing begins when the lane reaches capacity
A hydrograph has a uniform rainfall intensity of 1.5 in/hr in the first hour, 2.0 in/hr in the second, and 0.75 in/hr in the third hour. Direct runoff (in inches) using the SCS method is 1.2in.
Assignment on kinematic chains - Type of chain whether it is locked,constrained or unconstrained?
An industrial off gas steam must be treated for both particulates and SOx. The gas is at 1500 degrees F and 1.5 atm of pressure containing 80 mg/cubis meter of particulates and 25 mg/cubic meter of
Design a cyclone that has a collection efficiency between 80% and 85% (use parcticle size distribution given below). you must assume a dpc of 4.2 microns,an inlet gas velocity of 25 m/s and a K of 1
A Chemical manufacturer emits air with 250 PPM of toluene at 1 atm and 30 degrees C at a flow rate of 10,000 cubic meters per minute.The air is routed to a biofilter to control total emissions to le
An afterburner has been selected to destroy 99.9% of the ethane (CH3-CH3)in a gas (mostly air) stream . if the residue time is 0.8 seconds and the pressure is 1.1 atmospheres in the after burner,
A 5.0-kg block is attached to a spring whose force constant is 125 N/m. The block is pulled from its equilibrium position at x = 0 m to a position at x = + 0.687 m and is released from rest.
an unconfined compression test was conducted on a cylindrical clay specimen with the following properties: Peak load at failure = 4.5lb, diameter of sample = 1.2 in.
two isotropically consolidated undrained (ciu) triaxial tests, CU1 triaxial tests, CU1 and CU2, were conducted on a normally consolidated (Nc) clay under effective consolidation stresses of 100 and
A rod is subjected to a tensile load of 25k and has a diameter or 2in, determine the principle strains at a point on the surface of the rod
A geological fault truncates the aquifer at a distance "L" upstream from the river. The hydraulic conductivity of the area between the fault and the river is 50 ft / day and hydraulic conductivity b
what is the definition of critical state. explain at which stage a critical state may be approached in a drained triaxial text on a overconsolidated clay using stress path and strain-strain plot.
A tracer study was conducted to assess groundwater velocity and showed that a slug of a conservative tracer took 34 days to travel the 10-m distance between two wells.
A volume of 1.5x106 m3 of water is then pumped out of the aquifer resulting in a decrease of the groundwater level to 208.8 m. Assuming that the water table in the aquifer responds similarly
This uniformly reduces 4X10-4 cm / s to a depth of 22 meters. If the water level is about 3 feet below the surface, determine the saturated hydraulic conductivity of the layer.
The piezometer A is located 4,000 ft south of piezometer B. Approximately 3,000 ft of piezometer B there is a river with an elevation relative to sea level of about 455 ft.
estimate the theoretical production of landfill gas (CH4 only) from the degradation of 20.3 kg of rapidly decomposable MSW. asssume the density of methane is 0.7177 kg/m^3.
A MSW landfill is being designed to handle solid waste generated by Binford at a rate of 50 Mg/d. It is expected that the waste will be delivered by compactor truck on a 5d/week basis.
The curve is to be redesigned for a 70 mph design speed in the year of 2025. Vehicle braking technology has advanced so that the recommended design deceleration rate is 25% greater that the 2011 val
A. List of all possible resistance combinations that can be formed with these springs. indicate drawings and calculation of each unique configuration. B. How many unique combinations can be formed
A proton feels a force of 2.0 micro-Newtons in the negative x-direction when it is moving in the positive y direction with a speed of 2.0 x 107 meters per second.
Locate the image using both the spherical mirror equation and a ray diagram and identify if it is real or virtual, upright or inverted, and smaller or larger.
A cohesionless soil sample was subjected to a triaxial test. The sample failed when the minor principal stress (confining pressure) was 1200 lb/ft^2 and the deviator stress was 3000 lb/ft^2.
At what coupon interest rate will a $20,000 bond yield a nominal 12% interest compounded quarterly if the purchaser pays $18,000 and the bond becomes due in 20 years