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MEO Class IV – NAVAL : 2023/APR/08
Question

Q8. (a) Define the terms 'pitch ratio', 'real slip ratio' and 'blade area ratio'. (6)
(b) The pitch of a ship's propeller is 6m. At 105 rev/minute the apparent slip is 10% and the real slip is 24%. Calculate the slip and the wake fraction. (10)

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