1. Lower power consumption per unit of air delivered
  2. Higher volumetric efficiency
  3. Decreased discharge temperature
  4. All of the above
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1 Answers

Answer: Option 4

Advantages of multi-stage compressor over single stage compressor. -The fluid can be compressed to very high pressure. - The intercooler is more efficient than the cylinder wall cooling in a single stage compressor. -Pressure ratio per each stage is lowered and it reduces the leakage loss.

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