Sea water (density= 1025kg/m^3 , dynamic viscosity= 0.00108 Pa/s) is pumped through a granite tunnel, Ø2m and 400m long with wall roughness ks = 2mm, to a holding reservoir tank that holds sea water at a depth 10m above sea level. Google budgets for an energy consumption of the pump for this system of 2MW. If the pump 1 has an efciency of n= 87%, what is the ow rate of sea water through this tunnel?

## Determine what is the order and class of the levelingDifferntial Leveling between BM's A,B,C,D, and A gives elevation differences (in meters) of -15.632, 32.458, 38.214, and -55.025, and distances in km of 4.0, 6.0, 5.0, and 3.0 respectively. |

## Describe electron and hole motions in a p-n junctionBriefly describe electron and hole motions in a p-n junction for forward and reverse biases; |

## Compute the max possible moment at the centerlinecompute the max possible moment at the centerline of the beam and the absolute moment in the beam. |

## Design a curve for the highway by computing the radiusThe PI is at station 250+50, the design speed is 65mi/h, and a maximum superelevation of 0.07 ft/ft is to be used. If the central angle of the curve is 38 degrees, design a curve for the highway by computing the radius and stationing of PC and PT. |

## Determine what is the total force on the roof at collapsea storage tank has a diameter of 80 ft, a height of 25ft and contains oil to a height of 15ft. the suction pumps, which can handle 15000bbl/d, are started, but the safety valves are clogged and a vacuum is drawn in the tank. |

## Dimensions of an acceptable box of a largest areaA delivery company accepts only rectangular boxes the sum of whose length and girth (perimeter of a cross section) are equal to 108cm. Find the dimensions of an acceptable box of a largest area. |

## Design the thinnest possible slab allowed by the aci codeDesign a simply supported one-way reinforced concrete floor slab to span 10 ft and carry a service live load of 175 psf and a service dead load of 25 psf. Use fc' = 3000 psi and fy = 60,000 psi. Make the slab thickness to ½-in. increments. |

## Engineering societies based on the researchWhat are Engineering Societies based upon the research? List at least 10 discipline specific engineering societies along with their website addresses. |

## What is the effect of temperature on compressive strengthwhat is the effect of temperature on compressive strength of concrete? |

## Determine what is the book value at the end of year 3A hybrid car has a initial cost of $70,000 is to be depreciated by the straight-line method over a six years. The asset will a salvage value of $10,000. According to the straight line method, the book value at the end of year 3 is |

## Determine the amount of oil and money saved per yearThe maximum flow rate of a standard shower head is about 3.5 gpm and can be reduced to 2.75 gpm by switching to a low-flow shower head that is equipped with flow controllers. Consider a fam- ily of four, with each person taking a 6-minute shower e.. |

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