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Air flows steadily through a one-inlet, one-exit control volume. At the inlet, which has a flow area of 28 cm2, the air is at 600 kPa, 500 K, and has velocity of 30 m/s. At the exit, the pressure is 300 kPa, the temperature is 456.5 K, and the velocity is 300 m/s. Assuming that the air behaves as an ideal gas, determine the following
a) the mass flow rate (kg/s), and
b) the exit flow area (cm2).
a speedboat travels at a constant speed of 15 ms while making a turn on a circular curve from a to b. if it takes 45s
The 60-W fan of a central heating system is to circulate air through the ducts. The analysis of the flow shows that the fan needs to raise the pressure of air by 50 Pa. The fan is located in a horizontal flow section whose diameter is 30 cm at both t..
an orifice meter is installed in a 12 foot ductile iron pipe carrying water at 60 deg f. a mercury manometer is used to
a rankine cycle operates between pressure limits of 500 and 2 psia. the temperature of the steam entering the turbine
Samples of ?? 4 items each are taken from a manufacturing process at regular intervals.
the electric power needs of a community are to be met by windmills with 10-m-diameter rotors. the windmills are to be
two structural members b and c are bolted to the bracket a. knowing that the tension in member b is 6kn and that the
Steam at 10bar and 0.95 dry flows at 130 m/sec in a pipe. It is throttled to 8 bar and the flow rate is 12 kg/sec. Assuming velocity in the pipe on the down stream side of the valve is 160 m/sec. Find the final condition of steam and the pipe diam..
calculate the static thrusts of the rocket and turbojet engine described in the figure. the thrust t is the force
locate the initial and final states on a sketch of the T-v digram. determine the mass of vapor present at the initial and final state, each in kg.
an adiabatic heat exchanger has 0.3 kgs of water passing through one flow path. the inlet temperature and pressure are
what is the specific volume of water at 50 mpa and 80 degrees celcius. what would it be if the incompressible liquid
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