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The dam is to be built such that the estimated average flow over its crest will be Q = 3000 m^3/s. Determine the required flow over the crest of a model built to a scale of 1/25
For H2O, determine the specified property at the indicated state. Locate the state on a sketch of the T-v diagram. (A) T=140 degree Celsius, v=.5 m^3/kg. Find p, in bar (B) p=30 MPa, T=100 degree Celsius. Find v, in m^3/kg (C) p=10 MPa, T=485 degree ..
The ladder has a uniform weight of 80 lb and rests against the smooth wall at B. If the coefficient of static friction at A is mu(a)= 0.4, determine if the ladder will slip. Take theta= 60 deg
Water vapor initially at 3.0 MPa and 300 C is contained within a piston-cylinder assembly. The water is cooled at constant volume until its temperature is 200 C. The water is then condensed isothermally to saturated liquid. For the water as the syste..
a closed well insulated tank contains 10 kg of air at 300 k. an electric motor drives a propeller inside the tank
A 3.31 ft3 rigid tank contains saturated refrigerant-134 at 100psi. Initially, 14 percent of the volume is occupied by liquid and the rest by vapor. A valve at the top of the tank is now opened, and vapor is allowed to escape slowly from the tank. He..
1 water at 15 degrees celcius flows through a nozzle that contracts from a diameter of 10cm to 2cm. the exit speed is
a slab is insulated on one side and exposed to a surrounding temperature through a heat transfer coefficient on the
A 800 cm3 sample of oil is compressed in a cylinder until its pressure is increased from 1 atm to 100 atm. If the bulk modulus equals 2300 MPa, find the final volume of the oil in cm3
some hypothetical metal has the simple cubic crystal structure i.e. atoms positioned at each of the eight corners with
cast aluminum products often contain gas porosity and shrinkage cavities which can undermine the integrity of these
as a designer you are required to develop a new closed sealed thermal energy storage cell that has a maximum reversible
0.75 kg of Refrigerant 134-a is compressed in a compressor from 160 kPa and -10°C to 1.2 Mpa and 50°C, steadily. Determine the change in flow exergy of the refrigerant during this process, if the environment is at 100 kPa and 25°C.
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