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Air enters a nozzle steadily at 50 psia, 140°F, and 150 ft/s and leaves at 14.7 psia and 900 ft/s. The heat loss from the nozzle is estimated to be 6.5 Btu/lbm of air flowing. The inlet area of the nozzle is 0.1 ft^2. Determine (a) The exit temperature of air and (b) The exit area of the nozzle.
two oils are tested to establish their viscosity index. oil a and oil b have their viscosity measured at temperatures
1.8 ft3lb of ammonia at 130f is a two-phase liquid-vapor mixture. determine the quality of a two-phase liquid mixture
in a chemical processing plant glycerin flows over a 1 m long heated flat plate at free-stream conditions u infinity
a long flat bar has the s-n diagram. the bar is 6in wide by .5 in thick. it has a 2 in hole in the middle.a what is the
a 3-ft-diameter duct is used to carry ventilating air into a vehicular tunnel at a rate of 9000 ft3min. tests show that
the position of the l-shaped rod shown is controlled by a cable attached at b. knowing that the rod supports a load of
Pressure taps in a low speed wind tunnel reveal the difference between stagnation and static pressure to be .5 psi. Calculate the test section air velocity under the assumption that the air density remains constant at .0765 lbm/ft^3
air enters the compressor of an ideal closed air-standard brayton cycle at 100kpa with a volumetric flow rate of 5m3s.
A load of lumber of weight W = 20 kN is being raised by a mobile crane. Knowing the tension is 20 kN in all portions of the cable AEF and that the weight of the boom ABC is 3 kN, determine (a) the tension in rod CD (b) the reaction at pin B.
in a particular location the horizontal component of the earths magnetic field has a magnitude of 2.00 10-5 t. an
air at - 10 degree c flows over a smooth sharp-edged almost-flat aerodynamic surface at 240 kmhr. the surface is at 10
a cannonball with mass m is fired with an initial speed v0 at an angle theta ablve the horizontal. compute the time it
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