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An air-standard Brayton refrigeration cycle maintains a refrigerated space at -230C while rejecting heat to the surroundings at 27oC. The pressure ratio is given as 3, with a mass flow rate of 0.08 kg/s. Determine:
a) The maximum and minimum temperatures of the cycle (oC)
b) Coefficient of performance
c) Rate of refrigeration (kW)
a student plays two notes on the piano keyboard simultaneously. the white key has a frequency of 352 hz and the black
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why is the correct tightening of friction grip bolts important?
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