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1.A 3000 lb car has a maximum speed of 140 mi/h with 16-in radius wheels, a gear reduction of 3.5 to 1, and a drivetrain efficiency of 92%. it is known that at the cars top speed the engine is producing 220 ft-lb of torque. if the cars frontal area is 25 ft^2, what is its drag coefficient?
2.Each month the speedy dry Cleaning company buys 1 barrel (0.160 m^3)of dry cleaning fluid . Ninety percent of the fluid is lost to the atmosphere and 10 percent remains as residue to be disposed of.The density of the dry cleaning fluid is 1.5940 g/ml .Draw a mass balance diagram and estimate the monthly mass emission rate to the atmosphere in kg/mo.
The tank contains water to depth of 2m and oil (SG=0.8) on top of the water to a depth of 1m. Determine the magnitude and location of the resultant force acting on one end of the tank (i.e. 3m high by 3m wide).
Estimate the power in watts that can be produced by the turbine. Hint: In a time interval Dt,the amount of mass that flows through the rotor is Dm=mDt ,and the corresponding amount of kinetic energy in this flow is (Dm*V square/2)
If the ball strikes the side of the building 2s after being thrown, at what height above the base of the building did the ball strike the building? What is the velocity of striking?
The moduli of elasticity of plain concrete and steal are 25 GPa and 207GPa respectively, and the corss-sectionial area of steel is 2% of that of the reinforced concrete.
1nbsp surveying iimagnetic compass the most common type of compass is the magnetic compass which is used to determine
A 2.5hr long uniform rainfall resulted in arunoff hydrograph that has the shape of an equilateral triangle.The base of the triangle is 64hr; the peak flow is 535cfs; thedrainage area is 5.7mi^2. Determine the corresponding unithydrograph if the base ..
flow of 600cfs is measured at a depth of 3.4 ft in trapezoidal channel with bottom width of 25ft and side slopes of 3:1(h:v). The channel reach has a slope of .002. Estimate the channel roughness.
Water flows in a river. At 8 a.m. the flow past bridge 1 is 2150cfs. At the same instant the flow past bridge 2 is 1800 cfs. At what rate is water being stored in the river between the two bridges at this instant? Assume zero seepage and negligible e..
An ocean outfall diffuser that discharges treated wastewater into the Atlantic Ocean is 5,000 m from a public beach. The wastewater contains 10^5 coliform bacteria per milliliter.
Steam at 800 kPa and 300 C is bled off from a large supply line, passed through a valve, and allowed to enter an initially evacuated, uninsulated tank with a volume of 0.3 m3.
A circular plate is loaded with a total load of 60 kips distributed uniformly over the surface at a pressure of 100 psi. Calculate the vertical stress at every combination of the following: (a) Depth: 12 and 50 (b) Radial distance from the center ..
For the soil and foundation conditions in fig. 1, determine the time required to reach 75% consolidation in the clay given the consolidation test results and determine the coefficient of consolidation
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