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MMLU-Pro / 11512 / Air at an initial pressure and temperature of 1 bar and 17°C respectively is…

Problem

Answer published by the source. Consult the official source to check your work against its answer.

question

Air at an initial pressure and temperature of 1 bar and 17°C respectively is contained inside a cylinder. The air is then compressedpolytropically, along a path for which n = 1.30, until the final pressure inside the cylinder is 5 bars. What is the heat transferred per kg of air for this process?

category

engineering

options

  1. - 31.33 kJ/kg
  2. 62.15 kJ/kg
  3. -93.45 kJ/kg
  4. 155.67 kJ/kg
  5. 124.78 kJ/kg
  6. 93.45 kJ/kg
  7. 0 kJ/kg (no heat transfer)
  8. 31.33 kJ/kg
  9. -62.15 kJ/kg
  10. -124.78 kJ/kg

src

stemez-Thermodynamics

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Source and history

upstream_id / Original problem ID
11512
task_id
bdbba36c-eb45-5216-bd4a-5f17b73848e0
task_key
default--test--11512
task_revision_id
1
config / split
default / test

Official source

initial import