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A steam powered catapult on an aircraft carrier sends a 60,000-lb aircraft 250 feet, from zero to 180 mph. Assuming that the acceleration is constant, A) determine the time for taxing. B) Determine the acceleration of the aircraft. C) Determine the force exerted by the catapult.
air enters the compressor of an air-standard brayton cycle with a volumetric flow rate of 60 m3s at 0.8 bar 280 k. the
a rankine heat engine with a net power output of 85000 hp has a thermal efficiency of 35. determine the rate of heat
air enters a nozzle at 0.5 mpa 420 k and a velocity of 110ms. approximating the flow as isentropic determine the
one kilogram 1 kg of superheated steam at 300 degrees c and 200 kpa is contained in a rigid tank. one thousand 1000 kj
Why is it appropriate to take velocity measurements at several diameters downstream of the fan?
A 3 liter vessel contains 2kg of water, 0.05kmol of steam, and 15cm^3 of ice (of density 990 kg/m^3). If the vessel is heated until its entire contents have vaporied, what is the density of the vapor?
consider a thermal energy reservoir at 1000 k that can supply heat at a rate of 100000 kjh. determine the exergy of
a mining engineer plans to do hydraulic mining with a high-speed jet of water. a lake is located h 300 m above the
Consider a piston-cylinder system with an initial volume of 0.04 m3 at 200 kPa. Calculate the work being carried out to increase the volume to 0.1 m3 for each of the following processes
a flowrate measuring device is installed in a horizontal pipe through which water is flowing. a u-tube manometer is
a 70kg rectangular door measures 1.2m wide by 2.3m tall. it closes automatically using two hinges with torsional
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..
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