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In an ideal constant pressure cycle, ( is the one in which both, QA as well as QRare at constant pressure ) using air, the overall volume ratio of the cycle is 8:1. Adiabatic compression begins at 2/7th of the compression stroke when the conditions of the air are 100kN/m2, 0.084m3 and 28oC. If g=1.4 and cp=1.006 kJ/kg.K,
Determine:
a) The pressure, volume and temperature at the state point of the cycle;
b) The heat received/cycle
c) The work done/cycle
d) The thermal efficiency of the cycle
a 90 percent efficient turbine accepts water at 400 kpa in a 16 cm diameter pipe. what is the maximum power output if
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Find the magnitude of the angular momentum of the second hand on a clock about an axis through the center of the clock face. The clock hand has a length of 15.0 cm and a mass of 6.00 g.
Air is compressed in an axial-flow compressor operating at steady state from 27°C, 1 bar to a pressure of 2.1 bar. The work required is 94.6 kJ per kg of air flowing. Heat transfer from the compressor occurs at an average surface temperature of 40..
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The concrete walls and roof of a garage are 15-cm thick. The inside dimensions of the garage are 8-m long, 6-m wide, and 2.5-m high. The door is made of 12-mm thick hardwood and is 6-m wide and 2.5-m high. The garage is modeled in the figure below. O..
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