Exam Question
(a) What is a right-handed and a left-handed propeller?
(b) With the aid of simple sketches explain Rake, Skew and Pitch of the propeller.
(c) What are the advantages and disadvantages of CPP?
Class 4 (4th Engineer)
SC&S
📅 Jul 2024
Reference Answer
### (a) Right-Handed and Left-Handed Propellers
A propeller's 'handedness' describes its direction of rotation when providing forward thrust, as observed from the stern of the vessel looking forward towards the bow.
* **Right-Handed (RH) Propeller:**
* **Definition:** A right-handed propeller rotates in a **clockwise** direction to produce forward thrust.
A propeller's 'handedness' describes its direction of rotation when providing forward thrust, as observed from the stern of the vessel looking forward towards the bow.
* **Right-Handed (RH) Propeller:**
* **Definition:** A right-handed propeller rotates in a **clockwise** direction to produce forward thrust.
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