Class 1 Exam Q&A : 2022/AUG/07 – 2023/FEB/07 – 2024/MAR/04 – 2025/OCT/04 – 2024/OCT/07
Question
Q4. Improving efficiency of propellers is recognized as a growing means to improve energy efficiency of ships. Discuss any three of the following high-efficiency propellers with its merits and demerits:
a) Ducted Propellers (4)
b) Kappel Propellers (4)
c) Contra rotating Propellers. (4)
d) Azimuth Propulsion. (4)
Asked in Year/Month/Ques No.
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