Steam enters an adiabatic turbine steadily at 3 MPa and 300 *C and leaves at 70 Kpa and 100 *C. If the power output of the turbine is 2 MW, determine a) the isentropic efficiency of the turbine and b) the mass flow rate of the steam flowing through the turbine.

Regarding performance evaluations : Which of the following is not true regarding performance evaluations in the United States? |

How thick should the coating be : A jewelry maker has asked your glass studio to produce a sheet of dichroic glass that will appear red for transmitted light, how thick should the coating be |

Explain the dehydration of trans-2-methylcyclopentanol : The dehydration of trans-2-methylcyclopentanol with H2SO4 will give what major product? a) cyclopentene b) 1-methylcyclopentene c) 2-methylcyclopentene d) 3-methylcyclopentene |

What is the average current supplied to the cars motor : A 0.954-kg toy car is powered by three D cells (4.50 V total) connected directly to a small DC motor. What is the average current supplied to the car\'s motor |

Determine the isentropic efficiency of the turbine : Steam enters an adiabatic turbine steadily at 3 MPa and 300 *C and leaves at 70 Kpa and 100 *C. If the power output of the turbine is 2 MW, determine a) the isentropic efficiency of the turbine and b) the mass flow rate of the steam flowing throug.. |

Realistic-investigative-artistic-social-enterprising : Mike is a finance major. He likes coaching and playing all kinds of team sports. He wants to be sure to make a lot of money. He did two internships during his undergraduate career, appreciating the structured approach to entering his career. |

Explain most reactive in an e2 reaction with naoet in etoh : Which compound will be most reactive in an E2 reaction with NaOEt in EtOH? a) (CH3)3CF b) (CH3)3CCl c) (CH3)3CBr d) (CH3)3CI *Any explanation as to why the answer is correct would be helpful:) |

Find the angle through which the drill rotates : A dentist's drill starts from rest. After 2.90 s of constant angular acceleration it turns at a rate of 2.0 multiply.gif 104 rev/min. Determine the angle (in radians) through which the drill rotates during this period |

Determine entropy change of air during compression process : Air is compressed from an initial state of 100 kpa and 170 *C to a final state of 600 kpa and 57 *c. Determine the entropy change of air during the compression process by using a) property values from the air table and b) average specific heats |

## Determine the ntu values for each sampling port depthThe packed tower was 30 cm in diameter with sampling ports located at packing depths of 0,2,4,6,8,10, and 12 meters. The loading of water to the tower was 0.039 m^3/(m^2/s), and the temperature of groundwater was 10 degrees celcius. |

## Calculate the intensity ratio of sorcestwo cohernt sources produce interference patern intensity ratio of bright fringe to dark fringe is 9/1. calculate the intensity ratio of sorces. |

## What is the carbon concentration at 4 mm below surfaceA 1045 steel will be heat treated in air at 900 C. What is the carbon concentration at 0.4 mm below the surface after 6 hours |

## Superelevation rate for a roadwayWhat superelevation rate would you recommend for a roadway with a design speed of 100 km/hr and a radius of curvature of 500 m? Assume f = 0.11. |

## How to determine the friction drag on one side of the plateWater flows past a triangular flat plate oriented parallel to the free stream. Integrate the wall shear stress over the plate to determine the friction drag on one side of the plate. Assume laminar boundary layer flow. |

## Cause of pavement damageOn a flexible pavement with a 3 inch hot mix asphalt (HMA) wearing surface, a 6 inch soil cement base and an 8 inch crushed stone subbase, which truck will cause more pavement damage?(Suppose drainage coefficients are 1.0). |

## Find the steady-state concentration of pollutant in the lakeThe pollutant has a reaction rate coeeficient k of 0.25/day. Assuming is pollutant is well mixed in the lake, find the steady-state concentration of pollutant in the lake. |

## What is the ratio of the strain energy u1 in the tubea thin walled circular tube and a solid circular bar of the same material are subjected to torsion. the tube and the bar have the same cross-sectional area and the same length. |

## Determine the slenderness ratioDetermine the slenderness ratio of a 5 m column with built in ends if its cross- section is (a) circular with a radius of 40mm and (b) 50 mm square. Use the concept of effective length. |

## Determine what is the design speed of the curveAn equal tangent vertical curve connects a -2% and a +3% grade. The low point of the curve is at elevation 297.88 ft. If the PVI is at elevation 295 ft, what is the design speed of the curve |

## Determine what is the outlet air temperatureA total of 13,610 kg/h of air at 1 atm abs pressure and 15.6C is to be heated by passing over a bank of tubes in which steam at 100C is condensing. The tubes are 12.7mm OD, 0.61 m long, and arranged in-line in a square pattern with Sp=Sn= 19.05mm. |

## Calculate manning coefficient n for the given reachThe following data are obtained for a particular reach of the Provo river in Utah: cross sectional area A = 183 ft2, free surface width = 55 ft, average depth = 3.3 ft, Rh = 3.32 ft, V = 6.56 ft/s, length of the reach = 116 ft, and elevation drop .. |

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