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Air is compressed by an adiabatic compressor from 95 kPa and 27°C to 600 kPa and 277°C. Assuming variable specific heats and neglecting the changes in kinetic and potential energies, determine (a) the isentropic efficiency of the compressor and (b) the exit temperature of air if the process were reversible.
Two copper slabs, 3cm thick and insulated on the outside are suddenly clamped tightly together. The one on the left side is initially at 100 C and the one on the right side at 0c. Determine the left-hand adiabatic boundary's temperature after 2.3s ha..
a cannonball is shot from a boat thats initially moving at 3 ms in the i direction and subsequently strikes the dock at
consider a single crystal cylindrical specimen of iron oriented such that a tensile load is applied along a 010
many diesel engines can be approximated by a limited-pressure cycle. in a limitedpressure cycle a fraction of the fuel
a carnot refrigerator is maintaining food stuffs in a refrigerated area at 2oc by rejecting heat to the atmosphere at
sufficient heating systems must be developed for a manned mission to the surface of mars. indeed the martian surface
the pressure in the steam condenser of a nuclear power plant is 1 psia. calculate the absolute pressure head the gage
A batter hits the baseball A with an initial velocity of v0 = 103 ft/sec directly toward fielder B at an angle of 34° to the horizontal; the initial position of the ball is 2.0 ft above ground level. Fielder B requires 0.43 sec to judge where the bal..
bullet moving at a velocity of 1000 ms through air at sea-level conditions. what are the maximum temperature and
A quick return mechanism is to be designed with a time ratio=1.22 and a cycle time of 0.2sec. What is the required crank speed (rad/s)? What are theta 1 and theta 2?
a hockey player strikes the 0.25 kg puck with an impulse force given by ft 100sin50t n for the duration of 0.04pi
water with a quality of 70 is contained in a cylinder with a weight on a piston that maintains a water pressure of 500
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