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Air enters an adiabatic nozzle at 60 psia and 1020°F with low velocity and exits at 800 ft/s. If the isentropic efficiency of the nozzle is 90 percent, determine the exit temperature and pressure of the air.
the velocity of a body is given by vt 5e-t 6 where v is in ms and t is in seconds. use the secant method to find when
a rectangular intake air duct is 36 in. wide and 24 in. high. it runs for over 300 ft inside a warehouse and is at 50 f
air at 358c 1 atm and 50 relative humidity enters a dehumidifier operating at steady state. saturated moist air and
a piston-cylinder device initially contains 0.15-kg of steam at 3.5 mpa superheated by 5degc. now the steam loses heat
consider a coal-fired steam power plant that produces 350 mw of electric power. the power plant operates on a simple
The concrete walls and roof of a garage are 15-cm thick. The inside dimensions of the garage are 8-m long, 6-m wide, and 2.5-m high. The door is made of 12-mm thick hardwood and is 6-m wide and 2.5-m high. The garage is modeled in the figure below. O..
It is proposed to manufacture glass beads of 0.5mm by spraying them in 20 degree C air and allowing them to harden as they fall to the ground. Assume that the initial temp of the glass bead is 500 degrees C. The bead air heat coefficient h=324 W/m^2K..
Steam steadily flows through a turbine to produce mechanical work. At the inlet, the pressure, temperature and velocity of the steam are 10 MPa, 450 °C and 110 m/s, respectively. The water exits this turbine at pressure of 10 kPa with the quality of ..
a refrigeration cycle uses refrigerant 134-a as the working fluid. the refrigerant leaves the evaporator as a saturated
consider an internal combustion engine operating on the ideal dual cycle with thefollowing conditions two cylinder four
a 180-lb man and a 120-lb woman stand side by side at the same end of a 300-lb boat ready to dive each with a 16-fts
a hollow sphere is constructed of aluminum with an inner diameter of 4 cm and an outer diameter of 8 cm. the inside
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