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A very long rectangular channel (Fig. P10.54) has normal flow conditions at locations A and C, and a change in the bottom slope occurs at location B.
(a) Somewhere between locations A and C a hydraulic jump will take place. Explain why this statement is true.
(b) Classify and sketch the two possible water surface profiles that exist between locations A and C.
(c) By appropriate reasoning and calculation, determine whether the jump will occur upstream of location B, or downstream of location B
Find the rate of energy flow through a copper block of cross-sectional area 15 cm^2 and length 8.0 cm when a temperature difference of 30 degree C is established across the block
A column has the dimensions shown in the diagram below. What is the minimum length of the column at which buckling is likely to occur. If the column is the length determined in (a)
Then, estimate the simple payback and the payback with a 6% effective interest rate if the price of a sensor is $50 and the cost of installation is $40.
Determine the ratio of plastic to metal tube surface areas needed to transfer the same amount of heat. Determine the ratio of plastic to metal mass associ- ated with the two heat exchanger designs.
hot water flows through a pvc k.092 wmk pipe whose inner diameter is 2 cm and outer is 2.5 cm. the temperature of the
find a cylindrical container that is large enough that it takes at least one minute to drain you may have to create an
a steel pipe of 12-in. outer diameter is fabricated from 14in. thick plate by welding along a helix which forms an
two particles are moving along a straight line starting beginning from x0 0 with a velocity of v0 10 at time t 0.
A motor has a disk mounted on its shaft. The disk has a diameter of 1 foot and weighs 60 pounds. Starting from rest, the motor rotates at 350 rpm after 5 seconds. If the motor has a 92% efficiency, determine the input power in watts.
Estimate the energy that must have been supplied to cause the specimen to reach failure.
a long bar of rectangular cross section 0.4 m x 0.6 m on a side and having a thermal conductivity of 1.5 wm x k is
Express the total stator MMF as the sum of a forward and reverse traveling wave. This represents the situation in single-phase machines that have an auxiliary winding in series with a capacitor often used in residential applications.
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