1.A 5 cm diameter, 6 m high pole is fixed in concrete. The pole supports a circular 4 m diameter sign. Estimate the maximum moment that must be resisted by the concrete for a wind speed of 30 m/s (wind is assumed normal to the sign; density of air = 1.22 kg/m3; ˜ 1.5 x 10-5 ft2/s). List all assumptions.

2.A bacteria culture grows with constant relative growth rate. After 2 hours there are 600 bacteria and after 8 hours the count is 75000

a.) Find the intitial population.

b.) Find an expression for the population after "t" hours.

Discuss if you are going or not to stabilize the slope –why : Given that that there is no budget to built any type of artificial protection enclosure or retention wall but you still have some allowance for using earthmoving equipment, which of the techniques discussed in class would appropriate in case slope pr.. |

Recommend two different solutions that could allow the sites : Your next project site is an old landfill, which reaches a depth of 30 feet. Below, there are many layers of both competent and caving soils, but none of the competent soil layers capable of giving the needed bearing capacity under the 12’’ diameter .. |

The cheesecake factory overall market potential : What are your views regarding The Cheesecake Factory's overall market potential? |

Write and expression for a in terms of b that makes : For the following velocity profiles state whether they are steady or unsteady and whether they are 1-D, 2-D or 3-D. |

Find the inititial population : A 5 cm diameter, 6 m high pole is fixed in concrete. The pole supports a circular 4 m diameter sign. Estimate the maximum moment that must be resisted by the concrete for a wind speed of 30 m/s (wind is assumed normal to the sign; density of air = 1... |

Find the tensions in both sides of the rope for someone walk : You are given that a piece of rope is 90.5 ft long. The distance between the poles holding the rope is 90 ft. We are to find the tensions in both sides of the rope for someone walking across the rope and the deflection |

What are dtm and dem what is the difference between them : If the stage of a stream increases by 40% and the slope of the water surface becomes half of its original slope, then what will be changes in discharge of the stream? |

Center of the instrument and the target and the elevation : Determine the horizontal distance, given:Stadia Top=8.5 ,Stadia Bottom 6.21, vertical angle= -8 degrees 42 minutes. |

Property rights along bodies of water vary from : Property rights along bodies of water vary from the the thread of the stream to high water marks, and is based upon the navigability of the body of water and state law (true or false)? |

## What is the dry weight of sludge produced in kg per dayA water contains a suspended solids concentration of 10.30 mg/L.Coagulation reduce this to 1 mg/L.To accomplish this,an alum dose of 13.30 mg/L is necessary. |

## Evaluate company performance in relation to GRI standardsEvaluate company performance in relation to GRI standards and comment on Stigler's theory. |

## Scale of a spring balance problemThe scale of a spring balance reading from 0 to 235 N has a length of 13.0 cm. A fish hanging from the bottom of the spring oscillates.... |

## What is the height above ground level in the afternoonNatural gas is stored in very large vessels consisting of a floating tank and a liquid seal. The pressure in the tank is constant because the weight of the floating tank is constant. In the morning, the temperature of the natural gas is 300 K. |

## Determine the mass of b to maximize the impulse appliedTo apply shock loading to an artillery shell, a 20-kg pendulum A is released from a known hight and strikes impactor B at a known velocity Vo. inpactor B then strikes the 1-kg artillery shell C. |

## What hydrodynamic model would you use for the systemSolar cookers can be used in less developed countries for cooking and also for thermal disinfection of water. To disinfect water, the water must be heated to about 35 Celsius for 5 hours. Of course, it takes time to raise the temperature of the wa.. |

## Which table in the back of the text provides the energy dataFor each of the following, draw both the p - v and the T - v diagrams showing the location of the state and write below the diagrams a) what the condition the H2O is in (eg. Superheated vapor), b) which table in the back of the text provides the e.. |

## 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? |

## Conduiting with a roughness coefficientGiven an 18-in. concrete conduit with a roughness coefficient of n = 0.013, s = 0.02, and a discharge capacity of 15 cfs, what diameter pipe is required to triple the capacity? |

## Find the moment of inertia and natural frequency of pipeFind the moment of inertia and natural frequency of a vertical cantilever pipe 12 feet tall with outer diameter of 4.5 inches and an inner diameter of 4.25 inches. Modulus of Elasticity = 10*10^6 Mass = 50 lbs. |

## Calculate size of an anaerobic digester required to treatCalculate the size of an anaerobic digester required to treat the sludge from a primary clarifier designed to treat 38,000 m3/d of sewage. The quantity of dry volatile solids removed by the plant is 0.15 kg dry solids/m3 sewage. |

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