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Air enters the compressor of a gas power cycle at 100kPa, 300K, and a volumetric flow rate of 5 m3/s. The compressor pressure ratio is 10. The turbine inlet temperature is 1400K. The turbine and compressor each have an isentropic efficiency of 80%. Assume variable specific heats.
Determine:
a) the thermal efficiency of the cycleb) The back work ratioc) the net power developed by the cycle in kW.
a cannon-ball of 5 kg acts as a piston in a cylinder of 0.15 m diameter. as the gun-powder is burned a pressure of 7
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calculate the change in entropy per kilogram as air is heated from 300 to 600k while pressure drops from 400 to 300kpa
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Knowing that the coefficient of restitution is 0.8 between B and C, and 0.5 between A and B, Determine the velocity of each car after all collisions have taken place.
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find (a) the power rating of the electric heater and (b) the temperature rise that the air experiences each time it passes through the heater.
a circular tube must support an axial load of 60 kn in tension and a torque of 1.0 knm. it has an inside diameter of
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