A four-lane freeway (two lanes in each direction) is on mountainous terrain with 11ft lanes, a 5ft right-side shoulder, interchange spacing of one every 10 miles, and a 60mph base free-flow speed. During the peak hour, there are 12% large trucks and buses and 6% recreational vehicles. The PHF is .88 and the driver population adjustment is determined to be .90. The freeway currently operates at capacity during the peak hour in the direction of question. If an additional 11ft lane is added (each direction) and all other factors stay the same, what will be the new level of service?

## Duplex system with no redundancyWhat is the salt usage for each regeneration if the system regenerated every 10 days? What size resin tanks (diameter, height) would be required for a duplex system with no redundancy? |

## Shear tension and bending of the fixed i-beamTo satisfy desige limitation it is necessary to determine the effect of the 2- kN tension in the cable on the shear tension and bending of the fixed I-beam. |

## Density of traffic stream in laneAssume you are observing traffic in a single lane of a highway at a specific location. you measure the average headway and average spacing of passing vehicles as 3 seconds and 150 ft, respectively. calculate the flow, average speed, and density of.. |

## Determine the rankine earth pressure diagramA ten-foot high wall will retain a medium dense sand backfill. Determine the Rankine earth pressure diagram and the total active force on the wall. |

## Foundation raft of water towerA circular rc girder for the foundation raft of water tower has dia 10m.the udl load transmittedby 8 coloumn on te girder being 300 kn/m.the width of the beam is 500 mm and the over depth. |

## Magnitudes of fac and fadThe 70 m tall tower is supported by three cables that exert forces FAB, FAC, and FAD on it. The magnitude of the force FAB is 2 kN. The x and z components of the vector sum of the forces exerted on the tower by the three cables are zero. What are .. |

## Power plant efficiency problemA 600 MWe power plant has an efficiency of 36% with 15% of the waste heat being released to the atmosphere as stack heat and the other 85% taken away in the cooling water. |

## Average waiting time in the queueWhat is the average length of queue, the average time spent in the system, and the average waiting time in the queue? |

## Evaluate the pressure head at pointEvaluate the pressure head at point a and determine the vertical effective stress at point b and evaluate the lateral pressurein the brown clay |

## Falling-head permeability testA falling-head permeability test was carried out on a clay soil of diameter 100 mm and length 150 mm. In 4 minutes the head in the standpipe of diameter 5mm dropped from 680 to 350 mm. |

## Radioactive waste from a clinical laboratoryA radioactive waste from a clinical laboratory contains 0.2 μCi (microcuries) of calcium-45 (45Ca) per liter. The half-life of 45Ca is 152 days. |

## Develop a simple urban constructed wetland designDevelop a simple urban constructed wetland design. |

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