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Water ?ows in a rectangular conduit 12-cm high and 60-cm wide having a maximum velocity of 20 m=s with the pro?les shown in Fig. 4.16. Assume the pro?le exists across the entire cross section with negligible end effects. Calculate the mass ?ux, the ?ow rate, and the average velocity.
An amount P must be invested now to allow withdrawals of $1,000 per year for the next 15 years and to permit $300 to be withdrawn starting at the end of year 6 and continuing over the remainder of the 15-year period as the $300 increases by 6% per ye..
a valve in a cylinder has a cross sectional area of 11 cm2 with a pressure of 735 kpa inside the cylinder and 99 kpa
consider a long cylinder of porous material of radius r in which a gas a is being generated throughout the cylinder at
The exposed surface (x = 0) of a plane wall of thermal conductivity k is subjected to microwave radiation that causes volumetric heating to vary as where q"0 (W/m3) is a constant. The boundary at x = L is perfectly insulated, while the exposed sur..
steam enters an adiabatic turbine at 5 mpa and 450degc and leaves at a pressure of 1.4 mpa. determine the work output
You are given a small dc motor and fully-charged D battery. How would you use that motor to help determine the unknown viscosity of an oiled sample? You can acquire any other materials needed. What other materials would you need and what procedure wo..
a furnace needs hot pressurized gas at 200 kpa. this gas is to be provided by the exhaust from a gas turbine operating
a 2.1-m long 0.2-cm diameter electrical wire extends across a room that is maintained at 200c. heat is generated in the
A metal specimen with an original diameter of 0.45 in. and a gage length of 2.75 in. is tested in tension until fracture occurs. At the point of fracture, the diameter of the specimen is 0.21 in. and the fractured gage length is 3.71 in. Calculate th..
a team of astronomers have proposed io construct a large parabolic telescope mirror by spinning a cylindrical container
a car engine produces 136 hp on the output shaft with a thermal efficiency of 30. the fuel it burns gives 35000 kjkg as
air at 35c 1 atm and 50 relative humidity enters a dehumidifier operating at steady state. saturated moist air and
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