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MEO Class II – NAVAL : 2011/OCT/10 – 2023/AUG/10
Question
Q10. A. List the components of residuary resistance. B. The following data are available for a twin-screw vessel:
V (Knots) | 15 | 16 | 17 | 18 |
Epn (KW) | 3000 | 3750 | 4700 | 5650 |
QPC | 0.73 | 0.73 | 0.72 | 0.71 |
Calculate the service speed if the brake power for each engine is 3500Kw. The transmission is 3% and the allowances for weather and appendages 30%.
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