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In the pipe contraction shown in Fig. P3.70, water flows steadily with a velocity of V1 = 0.5 m/s and V2 = 1.125 m/s. Two piezometer tubes are attached to the pipe at sections 1 and 2. Determine the height H. Neglect any losses through the contraction.
create a model of a turbine. inputs are mass flow rate temp in press in press out isentropic efficiency. plot for 5
What portion of its volume (in%) would be above the surface if ice were floating in pure water?
air enters a machine at 373 k with a speed of 200 msec and leaves it at the temperature of the standard sea level
A rocket has an empty weight of 500 lb and carries 300 lb of fuel. If the fuel is burned at the rate of 1.5 lb>s and ejected with a velocity of 4400 ft>s relative to the rocket, determine the maximum speed attained by the rocket starting from rest..
Determine the shear stress, acting on plane AB and the principal stresses at the point and find the friction coefficient.
Suppose that there is one input, labor (L), and that there are two outputs, goods 1 and 2. The production function for good 1 is y1 = f1(L), and the production function for good 2 is y2 = f2(L).
the pliers shown in the figure of the book are used to grip a 0.3-in.-diameter rod. knowing that two 60-lb forces are
The initial time rate of change in the temperature of the wafer, (dTw /dt)i, is also of interest. Approximating the surfaces of the hot plate and the wafer as blackbodies and assuming their diameter transfer modes and the effect of the gap distan..
a solar-thermal power plant uses ideal rankine with r-134a. mass flowrate is 5000 kgs. the sat. vapor enters the
consider a gas-turbine power plant whose pressure ratio is 8. the isentropic efficiencies of the compressor and the
a fluid flows at 10oc flows over a 3-cm-od and 2-m long tube whose surface is maintained at 100oc. if the heat transfer
a six-cylinder four-stroke spark-ignition engine operating on the ideal otto cycle takes in air at 14 psia and 65
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