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Home > Exam Questions > ATPL - Airline Transport Pilot license > Aircraft General Knowledge - Airframe, Systems, Powerplant > For a fan jet engine, the by-pass ratio is the:

220 - ATPL - For a fan jet engine, the by-pass ratio is the:

Question 220 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Internal airflow mass divided by the fuel flow mass.

Internal airflow mass divided by the external airflow mass.

Fuel flow mass divided by the internal airflow mass.

External airflow mass divided by the internal airflow mass.

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