The CIMS Co. is considering a new milling machine. They have narrowed the choices down to three alternatives in addition to the Null alternative. The relevant data are shown in the table below. Alternative Economy Regular Deluxe First Cost $75,000 $125,000 $220,000 Annual Benefit $28,000 $43,000 $79,000 M & Costs $8,000 $13,000 $38,000 Salvage Value $3,000 $6,000 $16,000 All machines have a life of ten years. Using incremental rate of return analysis, which alternative should the company choose?

Find the final stress in the bar : A bar 25in long attached to one wall was heated by 100 degress F. There is a .5 in gap between the bar and the other wall. The area of the bar is .5 in^2.The coefficient for expansion is .0004/F and the modulus of elasticity is 230 ksi. Find the fina.. |

Cost concepts - compute variable manufacturing cost per unit : the relevant range, will the fixed manufacturing cost per unit increase, decrease, or remain the same? Explain - Compute Variable manufacturing cost per unit |

What is the probability that the operator will be unable : If an operator can handle at most five calls per minute, what is the probability that the operator will be unable to handle the calls in any 1-minute period? |

What is the nominal intrest rate on this loan : John Brooks a recent ME graduate from Central Michigan, bought an SUV for $30,000 with a down payment of $10,000. John had a little business on the side and did not have a girlfriend when he was at school and ehnce he was able to save the $10,000 for.. |

All machines have a life of ten years using incremental rate : The CIMS Co. is considering a new milling machine. They have narrowed the choices down to three alternatives in addition to the Null alternative. The relevant data are shown in the table below |

Find the joint probability density function of x1 and x2 : (a) Find the joint probability density function of X1 and X2. |

Find the mean and the standard deviation of x : (a) Find the mean and the standard deviation of X |

Which is the best alternative associated with three tomato : The following costs are associated with three tomato-peeling machines being considered for the use in a canning plant If the canning company uses an interest rate of 12%. |

Determine whether the increased life of the steel bridge : Two bridge designs have been proposed for the new interstate highway to cross Detroit Michigan to Windsor, Ontario. A bridge constructed from wood will cost $6000 and will last for eight years. |

## Calculate the flow rate imprted by the impellerA six bladed rushton turbine 2.0m in diameter rotating at 25 rev/min in a tank 4m deep, water temperature= 10 degree celcius. For this flocculation system calculate the following: a) Reynolds number |

## Compute the allowable load on a column with fixed endsCompute the allowable load on a column with fixed ends if it is 5.45 meters long and made from an S150 x 18.6(S6 x 12.5) beam. The material is ASTM A36 steel. Use the AISC formula. |

## What amount of depreciation will you claim for each calenderWhat amount of depreciation will you claim for each calenderyear during the period 1972-1975? |

## Displacement response of the systemVerify that the displacement response of the system - single-degree-of-freedom model below is subject to the pulse loading |

## Calculate the per capital contribution of domestic flowA rural town with sewered population of 4,500 has a daily wastewater flow of 1,590 m3/day with an average BOD of 280 mg/L including industrial wastes. The industrial discharges to the municipal sewers are 57 m3/day at 1,800 mg/L BOD from a slaughterh.. |

## What is the irreducible water saturation of the core plugA chalk core plug having a pore volume of 17.0307 cm3 is fully saturated with reservoir brine. A synthetic oil flood is conducted on this plug. It is found that 12.25 cm3 of reservoir brine was displaced from this plug by the synthetic oil. |

## Calculate the work necessary to compress air in cylinderCalculate the work necessary to compress air in an isolated cylinder from a volume of 6 ft^3 to a volume of 1.2 ft^3. The initial pressure and temperature are 30.0 psia and 50 degree F, respectively. |

## Compute the pw for the pessimistic and optimisticAn energy efficiency project has a first cost of $300,000, a life of 10 years, and no salvage value. Assume that the interest rate is 9%. The most likely value for annual savings is $60,000. |

## Find the tension in the cord when the radius is givenThe ball is kicked so that it has a velocity of 0.5 m/s and the cord is pulled in at a rate of 0.2 m/s. Neglect friction so that the only important force on the ball is the tension in the cord. Find the tension in the cord when the radius is 0.25 .. |

## What is the probability that the period is more than 15 minThe van leaves as soon as 6 people have arrived. On average, 24 passengers arrive each hour. What is the probability that the period between bus department is more than 15 minutes. |

## Design a horizontal curve with a 40-degree central angleDesign a horizontal curve with a 40-degree central angle (delta=40) for a two-lane road with 11-ft lanes. The design speed is 70 mi/h and superelevation is limited to 0.06ft/ft. Give radius, degree of curvature, and length of curve |

## Determine the modulus of elasticity and proportional limitA tension specimen has a gauge length of 8 inches and a diameter of .505 inches. A load of 9580 pounds was found to develope a stress in the specimen equal to the proportional limit of materials. ( assume that the proportional limit and the yield .. |

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