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A hydraulic jump occurs in a 4-m-wide rectangular channel at a point where the slope changes from 3 m per 100 m upstream of the jump to h m per 100 m downstream of the jump. The depth and velocity of the uniform flow upstream of the jump are 0.5 m and 8 m/s, respectively. Determine the value of h if the flow downstream of the jump is to be uniform flow.
if a car pasess point a with a speed of 20 ms and begins to increase its speed at a constatnt rate of atangential 0.5
Steam at 3 MPa,400 degree Celsius is expanded to 30 kPa, 92 percent isentropic efficency.The mass flow rate is 2 kg/s. Determine (a)the power output.
a closed system contains 2 kg of saturated steam at 3 mpa. the steam expands in a reversible process which can be
A 30-cm-OD pipe with a surface temperature of 90 degrees C carries steam over a distance of 100 m. The pipe is buried with its centerline at a depth of 1 m, the ground surface temperature is at -6 degrees C, and the mean thermal conductivity of the s..
air is compressed in a piston-cylinder assembly from an initial pressure and temperature of 16 psi and 530 or to a
water is pumped from a lower reservoir to a higher reservoir by a pump that provides 21 kw of shaft power. the free
steam enters an adiabatic turbine at 10 mpa and 500 degc and leaves at 10 kpa with a quality of 90. neglecting
Silicon rubber has a Poisson's ratio of 0.4. Consider a silicon rubber drain hose for a surgical procedure; the hose has an outer diameter of 4 mm and a wall thickness of 0.5 mm. How much does the lumen (interior space) of the catheter constrict if t..
A hot water heating system is used to distribute hot water at 70°C through heating pipes with an outside diameter of 60 mm. Estimate the convective heat transfer coefficient (based on unit area, and then on unit length) between the pipe surface and t..
a 4 kg object traveling at 60 ms enters an insulated vat of 20 kg of incompressible fluid c 2.0 kjkgk and comes to
What is the value after 5 years of a deposit of $10,000 in a bank savings account with 7% interest compounded yearly?
What is the difference between a force and a reaction - how many components of forces must be considered in pin and roller supports?
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