A gas initially at 850 mm Hg is compressed polytropically in an Engine. During the process, the final temperature is 1.5 times initial temperature and the final volume is one-third of initial volume. The final pressure is, a 5.03 b 6.03 c 4.03 d 7.03
A gas initially at 2000 L/kg is compressed polytropically in an Engine. During the process, the final temperature is 1.3 times initial temperature and the final pressure is 6 times the initial pressure. The compression ratio is,
a 4.62 b 4.82 c 4.12 d 4.22
A gas initially at 850 mm Hg is compressed polytropically in an Engine. During the process, the final temperature is 1.5 times initial temperature and the final volume is one-third of initial volume. The final pressure is,
a 5.03 b 6.03 c 4.03 d 7.03
0.45 kg gas is compressed polytropically in an Engine from 2 kg/cm2, 1 m3/kg to 5 kg/cm2 0.5 m3/kg. The nonflow work of compression is,
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