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A light rail route has 2 terminals and 4 intermediate stations. The demand (passengers/hr) for morning peak hour is:
North Terminal Station 1 Station 2 Station 3 Station 4 South Terminal
200 400 200 150 400 550
150 300 1200 300 200 1000
100 400 500 250 250 600
150 500 300 350 150 300
1300 250 500 700 500 1200
where the columns are the trip origins and the rows are the destinations (demand for travel fr om North Terminal to Station 3 is 100 pass/hr; from Station 4 to Station 2 is 250 pass/hr, etc.). Note that these data include both directions of travel. Vehicle capacity is 120 passengers. To meet demand in both directions,
a. Determine the minimum required vehicle frequency
b. Determine the maximum vehicle headway.
If there are 50 vehicles on a 4000-ft highway lane and the average time headway between two adjacent vehicles is 2.2 seconds. A) Calculate traffic density in vehicle/mile (vpm) and average space headway in feet/vehicle (fpv).
Air at 200 kPa and 950 K enters an adiabatic nozzle at low velocity and is discharged at a pressure of 80 kPa. If the isentropic efficiency of the nozzle is 92%, determine the temperature and velocity of the air at the exit.
(a) Calculate the annual costs ($/yr) of meeting the proposed effluent requirement of 0.1 mg P/L using alum to precipitate AlPO4(s). Assume the chemical formula for alum is Al2(SO4)3·18H2O (MW = 666).
Investigate the possibility of environmental problems that faced by the area of disaster.
Determine the deflection of the right end of the pointer and the maximum deflection of the beam.
As a project manager on site where work for 3 km long tunnel has been undertaken the site is remote and takes about 2 days to travel to nearest town supervisors technicians and skiled workers in dangerous work.
Estimate the steady state PM10 concentration assuming a PM10 deposition velocity of 0.12 cm/s, prevailing wind velocity of 2.5 m/s, and a constant emission flux of PM10 0.82 mg/m2-s.
The height (in meters) of a projectile shot vertically upward from a point 2 m above ground level with an initial velocity of 24.5 m/s is h2+24.5t-4.9t^2 after t seconds. a) When does the projectile reach its maximum height? b) What is the maximum..
Your engineering consulting firm has been asked to determine the specific weight of an unknown material. You decide to use the concept of buoyancy to figure this out. So you weigh the material in both air and water.
As an agronomist you have been approached by a large pepper farmer who wishes to determine an appropriate"yield goal" fot this season. He provides you with yield data for ten year period which indicates that his production has been slowly decreasi..
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.
Determine the force members BC, FC, and FE, and state if the members are in tension or compression.
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