A Diesel cycle engine is analyzed using the air standard method. Given the conditions at state 1, compression ratio (r), and cutoff ratio (rc) determine the efficiency and other values listed below.
Note: The gas constant for air is R=0.287 kJ/kg-K.

--Given Values--
T1 (K) = 306
P1 (kPa) = 140
r = 10
rc = 1.75

a) Determine the specific internal energy (kJ/kg) at state 1.
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b) Determine the relative specific volume at state 1.
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c) Determine the relative specific volume at state 2.
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d) Determine the temperature (K) at state 2.
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e) Determine the pressure (kPa) at state 2.
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f) Determine the specific enthalpy (kJ/kg) at state 2.
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g) Determine the temperature (K) at state 3.
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h) Determine the pressure (kPa) at state 3.
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i) Determine the specific enthalpy (kJ/kg) at state 3.
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j) Determine the relative specific volume at state 3.
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k) Determine the relative specific volume at state 4.
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l) Determine the temperature (K) at state 4.
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m) Determine the pressure (kPa) at state 4.
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n) Determine the specific internal energy (kJ/kg) at state 4.
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o) Determine the net work per cycle (kJ/kg) of the engine.
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p) Determine the heat addition per cycle (kJ/kg) of the engine.
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q) Determine the efficiency (%) of the engine.
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help A through Q