Class 1 Exam Q&A : 2022/JAN/07 – 2022/SEP/07 – 2023/JAN/01 – 2023/AUG/03 – 2024/APR/04 – 2024/SEP/09 – 2025/JUN/01
Question
Q1. Improvements in Rudder efficiency can considerably contribute in improving propulsion effectiveness. Discuss common rudder-efficiency improvement devices/ techniques currently in use, referring to the following:
(a) Rudder Thrust Fins (4)
(b) Asymmetric Rudders (4)
(c) Rudder Bulbs (4)
(d) Grim Vane Wheels (4)
Asked in Year/Month/Ques No.
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