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Air undergoes a isentropic compression in a piston-cylinder assembly from p1- 1atm, T1 = 70 F TO P2 = 5 atm. assuming air is an ideal gas, with n=1.4, determmine the folllowing.
a) sketch the process on a p-v diagram
b) for the overall process determine the work, in BTU/lbm
c) for the over all process determine the heat transfer, in kj/kg
in an effort to increase thrust it is decided that an aft-fan should be added to this engine. the aft-fan creates a
a cold-air standard diesel cycle has a compression ratio of 16 and begins compressing air isentropically from an
a student plays two notes on the piano keyboard simultaneously. the white key has a frequency of 352 hz and the black
Water enters a hydraulic turbine through a 30-cm-dia pipe. The pressure drop in the turbine is measured by a mercury manometer to be 1.2 m. For a combined turbine-generator efficiency of 83%, determine the net electric output. Disregard the effect..
steam expands in a turbine steadily at a rate of 25000 kgh entering at 6 mpa and 450degc and leaving at 20 kpa as a
the dry bulb temperature of the air in a 4m by 3m underground opening is 26 degc. the corresponding moisture content is
the following data were observed in a step response experiment of a thermometer is under a step input from 0 degress c
what happens if a positive edge dislocation meets a negative edge dislocation on the same slip plane with a parallel
find the derivative of the following function.y5cos10xx3-2x2-6x10using backward difference and central difference
A 200 kg crate is to be supported by the rope and pulley arrangement shown. Determine the magnitude and direction fo the force P that must be exerted on the freee end of the rope to maintain equillibrium.
a reciprocating engine for light aircraft modeled after the avco lycoming 0.235nbspengine has the following
the heat supplied by a heat pump used to maintain a buildings temperature is often supplemented by another source of
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