Question 331General Subjects - Assistant Engineer70% to pass
What is a shipboard application for a worm gear drive?
AI Explanation
The correct answer is C) Main engine turning gear.
A worm gear drive is commonly used in the main engine turning gear on ships. The turning gear is used to slowly rotate the main propulsion engine when the ship is in port, allowing the engine to be turned over without starting it. This prevents distortion of the engine components from sitting idle for long periods. The worm gear drive provides a high reduction ratio to enable the slow, controlled rotation of the large main engine. The other answer choices do not typically utilize worm gear drives for their applications.
Related Questions
#329 The gears used for virtually all marine propulsion reduction gear sets are of what type? #330 Which of the listed reduction gear sets has the input and output shafts in-line with one another? #332 For a parallel axis single reduction gear, what statement is true? #333 Of the following propulsion modes, which one would operate with a geared-drive featuring a double reduction? #334 What is an example of an epicyclic gear?