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An ideal gas expands isentropically through a converging nozzle from a large tank at 120 lbf/in.2, 6008R, and discharges into a region at 60 lbf/in.2 Determine the mass flow rate, in lb/s, for an exit flow area of 1 in.2, if the gas is
(a) air, with k 5 1.4.
(b) carbon dioxide, with k 5 1.26.
(c) argon, with k 5 1.667.
An aircraft is propelled by a reversible gas turbine engine, or turbojet. It is flying at an altitude of 30,000 ft where temperature is -20oF and pressure is 2000 psfa. The compressor has a pressurization ratio p2/p1 of 16 and the kerosene fuel in th..
the gravitational force exerted on a baseball is 2.12 n down. a pitcher throws the ball horizontally with velocity 12.5
calculate the span of a differential pressure transmitter that is mounted 10 inches below the bottom instrument tap on
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Water, initially a saturated vapor at 4 bar, fills a closed, rigid container. The water is heated until its temperature is 400 degree celc. KE and PE effects can be ignored.
a rigid insulated tank contains 0.6 kg of air initially at 200 kpa 20degc. the air is stirred by a paddle wheel until
Complex loading (bending and compression), A steel chimney is 28m high, 1.4m external diameter, and 20mm thick. It is rigidly fixed at the base and is acted upon by a horizontal wind pressure of intensity 1.
an elevator weighs 1000lb and carries a load of 600 lbs and decends at 20fts. the cable that supports the elevator has
a vehicle starts from rest then moves rectilinear with a velocity of v 2t2 for 5 s until it reaches a velocity of 50
the concentration of silicon in an iron-silicon alloy is 0.55 wt. what is the concentration in kilograms of silicon per
A large plastic casting with thermal diffusivity 6.0 x10^7 m2 /s is removed from its mold at a uniform temperature of 150 degrees C. The casting is then exposed to a high-velocity air stream such that the surface experiences a sudden change in temper..
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