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An amusement park at the bottom of Niagara falls wants to install a water turbine to produce 100 kW power. Water (assume to be incompressible) would enter the pipeline leading to the turbine at 20 °C and 0.101325 MPa at the top of the falls, 51 m above the turbine exit, with a velocity of 3 m/s. The water should leave the turbine at 20 °C, 0.101325 MPa and with a velocity of 3 m/s. There is no considerable heat transfer in the pipeline and turbine. Make use suitable assumptions for the turbine and refer to the NIST online database to get the enthalpy and density of water for the given conditions. a. Determine the mass flow rate of the water in kg/min. b. Determine the diameter of the pipeline.
determine the force exerted by each cylinder in raising the crate for u = 60°, a 5 0.70 m, and L = 3.20 m. Show that the result obtained is independent of the distance d.
The purpose of this project is to introduce you to the application of FEA by using the ANSYS software to examine the deflection of an I-beam under a point load.
a mixture of nitrogen and carbon dioxide with a carbon dioxide mass fraction of 50 percent has a constant-volume
At what location S will the combined moment of the weights of the man and platform about point B be zero?
Hydrostatic relation, An empirical formula relating pressure and density for seawater w/ temperature held constant is
in a constant-pressure process steam at a 100 psia is presented to the piston of a pump and causes it to travel 3 in.
a normal shock wave exists in mach 2 stream of air having temperature and pressure of 45degf and 30 psia respectively.
A 90N force is applied to control rod AB as shown. Knowing the length of the rod is 225mm, determine the moment of the force about point B by resolving the force into components along AB and in direction perpendicular to AB?
One side of a right triangle is known to be 45 cm long and the opposite angle is measured as 30?, with a possible error of 1?.
Determine the average luminous exitance of the opaque interior surfaces of the room - what is the reflected component at this point?
a heat engine whose thermal efficiency is 40 percent uses a hot reservoir at 700 k and a cold reservoir at 280 k. a
An air compressor takes air from outdoors at 28deg C and 101.2kPa and compresses it to 790kPa and 50 deg C. The air input to the compressor is found to be 22.67m3/hr. Estimate the required Hp to operate the compressor.
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