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A well-insulated turbine operating at a steady state develops 23 MW of power from a steam flow rate of 40 kg/s. The steam enters at 360 degree C with a velocity of 35 m/s and exits as a saturated vapor at 0.06 bar with a velocity of 120 m/s. Neglecting Kinetic and Potential energies, determine the inlet pressure, in bar.
A satellite has been placed in a circular, sun-synchronous orbit at an altitude of 1300.0 km. The satellite has a mass of 5,000.0 kg. What is the K.E. of the satellite?
Determine (a) the velocity of the air at the duct inlet and (b) the temperature of the air at the exit.
a nozzle discharges a stream of water of cross-sectional area a with a velocity va. the stream is deected by a single
a venturi meter has an inlet of 250 mm and a throat of 150 mm diameter. its coefficient of discharge is .985. calculate
a 0.5-m3 rigid tank containing hydrogen at 20oc and 400 kpa is connected by a valve to another 0.5-m3rigid tank that
you balanced a pump impeller by placing a 5 gram weight at a radius of 100 mm. the original vibration amplitude was 10
an engineer proposes to buy a machine for 100000 today that will save 60000 in labor costs at the end of each of the
Calculate the force of attraction between a K+ cation and a O2- anion, the centers of which are separated by a distance of 1.5 nm.
A 1/10th scale model of an airplane is to be tested in a wind tunnel that operates with air at a pressure of 20 atmospheres. The plane is expected to fly at a speed of 500 [km/hr]. (a) What speed should the wind tunnel be run? (b) If the drag measure..
a refrigerator removes 1.5 kj from the cold space using 1 kj work input. how much energy goes into the kitchen and what
an outdoor track is 420 ft in diameter. a runner increases her speed at a constant rate from 14 to 24 fts over a
A satellite is in Earth with an altitude at perigee of 550 km and an altitude at apogee of 5000 km.
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