Brackish water at 12°C with total dissolved solid content of TDS = 780 ppm (a salinity of 0.078 percent on mass basis) is to be used to produce fresh water with negligible salt content at a rate of 280 L/s. Determine the minimum power input required. Also, determine the minimum height to which the brackish water must be pumped if fresh water is to be obtained by reverse osmosis using semipermeable membranes.

What volume will the balloon occupy : A) A balloon filled with 2.00 L of helium initially at 1.55 atm of pressure rises into the atmosphere. When the surrounding pressure reaches 490. mmHg, the balloon will burst. If 1 atm = 760. mmHg, what volume will the balloon occupy in the instant b.. |

Prepare a paperabout balsa glider project : Prepare a paperabout Balsa Glider Project. The Glider Information section should include your research into gliding in general and balsa wood gliders in particular. |

What is an ideal solution : Comment on the volume change, enthalpy change, entropy change, and chemical potential change during the formation of ideal and non-ideal solutions. |

Develop a group emergency management plan : What are the functions and tasks that will be performed to fulfill the plans goals and missions - Who is in charge of specific functions and tasks? Why? |

Determine the minimum power input required : Determine the minimum power input required. Also, determine the minimum height to which the brackish water must be pumped if fresh water is to be obtained by reverse osmosis using semipermeable membranes. |

What strategy would you chose for an organisation : Compare and contrast BYOD, CYOD and COPE as a mobility strategy for an organisation. What strategy would you chose for an organisation with a travelling sales force of 150 people working across three (3) different time zones |

Tank at constant temperature : A) What pressure would it take to compress 150. L of helium gas initially at 1.00 atm into a 2.00 L tank at constant temperature?Express your answer with the appropriate units. |

Determine the amount of power that can be generated : Take the salinity of the ocean to be 3.5 percent on mass basis, and assume both the river and the ocean are at 15°C. |

Do any ethical theories support the actions that you discuss : Firstly, think of the possible courses of action (or inaction) that could be taken and then consider, do any ethical theories support (or not) the actions that you discuss? Which ethical principles, doctrines or concepts apply to the actions/inacti.. |

## What is the water elevation upstream of the flumeDesign a parshall flume to handle 24mgd in a 10ft wide channel at a downstream depth of 3 ft. If the channel floor is at elevation 65.7ft, what is the water elevation upstream of the flume |

## Determine the amount of cover over a culvertA vertical curve of 600 ft in length is used to connect two tangents with the following locations: Tangent 1.- Point 1, Sta = 59+00, El = 1250.0' Point 2, Sta = 72+00, El = 1190.0' Tangent 2.- Point 1, Sta = 72+00, El = 1190.0' Point 2, Sta = 84+0.. |

## How does the nature of the boundary layer affect liftSitting on the deck one evening. watching for that pesky bunny, jon and his brother see a twig floating down from an aspen tree. (wait - os that a bunny ?) they wonder just what the boundary layer looks like on the twig. |

## Determine the speed of the arrow after traveling from restA bowstring produces a force against a 2.0 oz arrow given by where a = 40 lbf, b = 3.2 ft-1 and x is in ft. x = 0 when the arrow is pulled fully back and increases as the arrow moves forward. |

## Find the total deflection due two weightsA cantilevered W12x136 (ASTM-A36) steel member beam is 18 ft in length. If a concentrated load of 12 kips is applied at a point 6.25 ft from the beam's free end, use the superposition technique to find: |

## Determine normal stresses induced in steel and in concreteThe concrete post (Ec=3.6*10^6 psi and Ac= 5.5*10^-6/degrees F) is reinforced with six steel bars. each of 7/8-in diameter (Es=29*10^6 psi and As=6.5*10-6/ degrees F). |

## Calculate volume of gasoline in the tanker at time of cashHypothetically, upon leaving the filling station, tire pressure for each tire on the 18-wheeler was measured as 105 psi (gauge), and the wheel contact area with the ground was a 6.0 in by 7.0 in rectangle. |

## Determine the depth of flow in the channel y2Water flows down a spillway at the rate q = 15 m^3/s into a horizontal channel where v1 = 20 m/s. Determine the depth of flow in the channel y2 that will casue the hydraulic jump to occur in the channel. Determine the headloss hL in the jump. |

## Minimize the effect of those environmental impactsIdentify the environmental impacts due to land transportation and highway construction - minimize the effect of those environmental impacts. |

## Compute the percent voids in total mix, percent voidsAn aggregate blend is composed of 53% coarse aggregate by weight (sp. gr. 2.702), 43% fine aggregate (sp. gr. 2.621), and 4% filler (sp. gr. 2.779)/ |

## Determine the crest and sag vertical curves requiredTwo level sections of an east highway (G=0) are to be connected. Currently, the two sections of highway are seperated by a 4000-ft (horizontal distance), 2% grade. The westernmost section of highway is the higher of the two and is at elevation 100 ft.. |

## Determine the normal stress in each portion of the rodA polystyrene rod consisting of two cylindrical portions AB and BC is restrained at both ends and supports two 6 kip loads. Knowing that E = 0.45 * 10^6 psi, |

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