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Turbojet is flying with a velocity of 100 m/s at a low altitude, where the ambient conditions are 1 MPa and 300 K. The pressure ratio across the compressor is 13, and the temperature at the turbine inlet is 1300 K. Assuming ideal operation for all components and constant specific heats for air at room temperature, determine
a. the pressure at the turbine exit,
b. the velocity and temperature of the exhaust gases,
c. the propulsive efficiency,
d. Using appropriate formula (NOT TABLE) to determine the Ma number at the exit of nozzle.
jus before it lifts off a 10500 kg airplane is traveling at 60 fts. the total horizontal force exerted by the planes
calculate the vertical displacement at D and the horizontal displacement at Free-Body Diagram should be recalculated with P and Q.
What’s the C.O.P. for a 5-ton of gas fired (absorption) chiller uses 15 kw electric and 5 thermo gas? What would be the advantage of using electric chiller and gas-fired chillers in combination? How would you sequence their operations? How much chill..
Determine if the shaft has infinite fatigue life. If not, determine the number of cycles to failure. Also determine the safety factor for first cycle yield and draw a free body diagram, shear and moment diagrams, and graph the loads on the shaft..
Calculate the work done and the final temperature for the following processes: Polytropic, n = 1.1, 4.0 lbm of Air, T1 = 1300 °F, v1=6.519 ft3/lbm. The pressure decreases to half the initial pressure during the process.
explain the tapping operation and the steps to follow peripheral milling is performed on the top surface of a
saturated water vapor is contained in a closed rigid tank. the water is cooled to a temperature of 110 o c. at this
consider a fin of rectangular cross section for heat rejection in an electronic system. the heat dissipation within the
Four gold mines in a mountainous region have been in continuous operation for five years. The output is measured in tons, and it has been declining each year in each mine. Estimate the output in each mine after ten years
Exhaust steam from a turbine exhausts onto a surface condenser at a mass flow rate of 8000lbm/hr, 2psia, and 92% quality and leaves the condenser as a saturated liquid. Cooling water enters the condenser at 74 degrees far. and leaves at the steam inl..
Water flows through a duct of varying area. The difference in stagnation pressures between two sections is 4.5 x 10^5 N/M^2. If the water remains at a constant temp, how much heat will be transferred in this lenght of duct?
Number 3 fuel oil (30 API) is transferred from a storage tank at 60 deg F to a feed tank in a power plant at a rate of 2000 bbl/day. Both tanks are open to the atmosphere and they are connected by a pipeline containing 1200 ft equivalent length of 1...
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