The volume of water in a reservoir is often expressed using the unit of acre-foot. A volume of 1 acre-foot is the amount of water covering an area of 1 acre to a depth of 1 foot. Lake Mead is the largest man-made lake in the United States. It holds approximately 28.5 million acre-feet of water behind the Hoover Dam. If the Army Corp of Engineers desires to discharge 1.25% of the lake volume in a period of 4 days (96 h), what flow of water in gallons per second is required?

Calculate the cost per kg charged by these two suppliers : Our laboratory plans to use one, 10-liter tank of refrigerant 134a every week. So off you go to check the cost of fill-ups at the two possible suppliers. At Chem Mart, the filled tank is returned to you at 10 bar and 90 C for $10.00. |

Explains the various types of income : Compose a professional note that explains the various types of income that is subject to taxation - A marginal tax bracket, how it is determined, and what it means |

Calculate the flow rate through the pipe and the force : A thin-walled pipe, of diameter 4 in., is held stationary in a river flowing at 6 ft/s parallel to its axis. The pipe contains a sharp-edged orifice, of diameter 3 in., with a contraction coefficient of 0.60 based on the area. |

What is the maximum possible overhang distance : A child is trying to stack two uniform wooden blocks, 12 cm in length, so they will protrude as much as possible over the edge of a table |

Find what flow of water in gallons per second is required : The volume of water in a reservoir is often expressed using the unit of acre-foot. A volume of 1 acre-foot is the amount of water covering an area of 1 acre to a depth of 1 foot. Lake Mead is the largest man-made lake in the United States. |

Determine the maximum current in the inductor : A 5.25 uF capacitor is initially charged to a potential of 15.0 V. It is then connected in series with a 3.55 mH inductor. What is the maximum current in the inductor |

What return period must an engineer use in the bridge : What return period must an engineer use in the design of a bridge opening for 50% risk that flooding will occur at least once in two successive years |

How to determine the efficiency of the pump : Water is pumped at a rate of 1.57 cfs from one large open tank into another through a 6 in diameter cast iron pipe 400 ft long. The water level in the second tank is 160 ft above the level of the first tank and the discharge end of the pipe is sub.. |

Find laser beam intensity will produce such a field : When a high-power laser is used in the Earth's atmosphere, the electric field associated with the laser beam can ionize the air, What laser beam intensity will produce such a field |

## Determine largest distance d the concrete pipe may be movedA crane is used to lift a concrete pipe weighing 10kN into place. For precision positioning, the worker at C can apply up a 800N force to cable AC. Determine the largest distance d the concrete pipe may be moved. |

## Determine the normal and shear stressesThe grains of wood in the board make an angle of 20 degrees with the horizontal as shown. Determine the normal and shear stresses that act perpendicular and parallel to the grains if the board is subjected to an axial load of 250 N.(Dimensions l=3.. |

## Design temperature and residence time have been establishedThe oven exhaust gases are available at 250 F. Assume that the design temperature and residence time have been established as 1300 F and 0.6 sec, respectively. The type of burner used in the process requires outside air at a moass ratio of 12:1 |

## Hydraulic behaviour in open channelDescribe how test flumes and associated equipment are used to assess and confirm hydraulic behaviour in open channel |

## Determine the initial speed v0 and angle-theta requiredThe receiver's velocity is constant at 10 yd/sec, and he catches passes when the ball is 6 ft. above the ground. If the quarterback desires the receiver to catch the ball 2.5 sec. after the launch instant, determine the initial speed v0 and angle,.. |

## Determine average time in the queue and in the systemThe time between truck arrivals at the station is exponentially distributed with a mean arrival rate of 1.5 veh/min. the time it takes vehicles to be weighed is exponentially distributed with a mean rate of 2 veh/min. |

## Determine the angle theta as a function of delta tAt the reference temperature, three identical rods of length L form a pin jointed truss in the shape of an equilateral triangle, ABC. Determine the angle theta as a function of delta T, the temperature increase of the rod AB. |

## Dimensions of symmetrical trapezoid plateThe plate is submerged in a liquid is a vertical position with the parallel sides horizontal and the shorter parallel side at the top and exactly in the surface of the liquid. |

## Required height of the roller coasterDetermine the required height h of the roller coaster so that when it is essentially at rest at the crest of the hill it will reach a speed v= 100km/hr when it comes to the bottom. |

## Problem related to horizontal cylindrical tankA horizontal cylindrical tank 4 ft in diameter and 10 ft long is full of water. Find the work done in pumping the water to a point 4 above the top of the tank. |

## Draw a footing detail showing all pertinent design parameterdesign a square individual footing to support a 16 inch square reinforced concrete column. service loads include a dead load of 180 kips and a live load of 140 kips. both column and footing have fc=3000psi and fy=60000 psi. |

## Determine the horsepower dissipated in the jumpwater flows at a velocity of 25 ft/s at a depth in a rectangular channel 16 feet wide. Determine the downstream depth necessary to form a hydraulic jump, the head loss through the jump and the horsepower dissipated in the jump. |

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