1.A polystyrene rod consisting of two cylindrical portions AB and BC is restrained at both ends and supports two 6 kip loads as shown. Knowing that E = 0.45 * 10^6 psi, determine the reaction C.

2.An axial force of 200 kN is applied to the assembly shown by means of rigid end plates. Determine the normal stress in the aluminum shell.

3.A nylon thread is to be subjected to a 10-N tension. Knowing that E=3.2 GPa, that the maximum allowable normal stress is 40 MPA, and that the length of the thread must not increase by more than 1%, determine the required diameter of the thread.

Use a numerical method to estimate the excess pore pressure : At the site of a large scale land reclamation project 2 m of sand overlie a silty clay layer 5 m thick, which overlies highly fractured permeable rock. |

Find the steady state concentration if the air in the box : Consider the air over a city to be a box 100km on a side that reaches up to an altitude of 1.0 km. The air is blowing into the box along one of its sides with a speed of 4 m/s |

Determine the force p that must be applied to the cylinder : The brass tube AB (E=105 GPa) has a cross-sectional area of 140 mm^2 and is fitted with a plug at A. The tube is attached at B to a rigid plate that is itself attached at C to the bottom of an aluminum cylinder |

Determine the required do concentration in the treatment : Given the following information, determine the required DO concentration in the treatment plant effluent discharge in order to ensure that at no point downstream the DO in the river drops below 4 mg/L: |

Determine the required diameter of the thread : A nylon thread is to be subjected to a 10-N tension. Knowing that E=3.2 GPa, that the maximum allowable normal stress is 40 MPA, and that the length of the thread must not increase by more than 1%, determine the required diameter of the thread. |

What will be the steady-state concentration of selenium : If the farmer irrigates continuously, what will be the steady-state concentration of selenium in the stream downstream from the farm (after the irrigation run-off returns to the stream)? |

Find the axial load and the total change in each cross : A flat bar of cross section 20mm by 70mm elongates 4.0mm in a length of 2.0m as a result of axial load. If the elastic modulus is 199x106 kN/m2 and Poisson's ratio is 0.25 for the material, find the axial load and the total change in each cross secti.. |

Determine magnitude and direction of resultant force : Calculate the area of the triangle - exponential functions using logarithms - Determine the magnitude and direction of the resultant force. |

Determine the normal stresses induced in the steel and in : The 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). |

## Determine the increment of vertical stress in the soilConstructing the foundation causes changes in the levels of vertical stress at all points in the soil. One such point lies at the centre of the footing plan, and is at a depth of 10 m. Determine the increment of vertical stress there. |

## Determine what is todays price for one share of the stockA corporation issues a new 10 year bond that has a coupon rate of 4.65% with quarterly dividend payments. Alex purchases 200 of these bonds at a price of $98.75, for a total investment of $19,750. Assuming he holds them to maturity, what will be h.. |

## Determine the void contentIf the dry-rodded unit weight of an aggregate is 105 lb/ft3 (1680 kg/m3) and its specific gravity is 2.65, determine the void content. |

## Calculate compressive capacity using australian standardA client has engaged your consultancy company to undertake a conversion of a warehouse to a residential dwelling in the northern city of Darwin. You are required to check the capacity of a proposed column to ensure it can support a mezzanine floor.. |

## Estimate the maximum risk of cancer due to the exposureSuppose 2.3 g/day of vinyl chloride, with a half-life of 1 day, leaks into a 20,000 m3 pond. Suppose an adult obtains his drinking water from the pond and consumes the water daily for 7 years |

## Compute the distance when the traffic signal turns redA driver with his passenger vehicle is driving at 35 mph, when the traffic signal in front of him changes to yellow. He is 100 feet from the intersection when he applies the brakes after a 1-second reaction time. |

## Suggest hen managentment strategy that will maximize profitEach week a hen can either lay 12 eggs or hatch 4 eggs, but not both. At the end of the four-week period all eggs and chicks will be sold: an egg will bring 10 cents, and a chick will bring 60 cents. |

## Determine the magnitude and location of the maximum bendingFor the beam and loading shown, write the equation of he shear and bending-moment curves and determine the magnitude and location of the maximum bending moment |

## Find the capacity of the main channel and the lateral extentField tests have shown that the Horton equation best describes the composite roughness of the channel. Find the capacity of the main channel and the lateral extent of the floodplains for a 100-year flow of 1590m^3/s. |

## How many rapid sand filters are needed for the plantA water treatment plant is being designed for a flow of 1.6 m^3/s. How many rapid sand filters, using only sand as the medium, are needed for this plant if cross-sectional area of each filter is 10 m x 20 m |

## Find what is the constant dollar amount of the paymentYou have a $1,500 monthly loan payment. If inflation is 3.5% annually (compounded monthly). What is the constant dollar amount of this payment in your 80th month |

## Determine the rise in water level within the drainage layerA rectangular landfill in the New England area is 175 m in width, and sloped at the uniform angle of 75 degrees. Its cover system includes a drainage layer constructed of clean, medium sand (Ks = 10^-2 cm/s). |

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