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Questions and Answers
What is the lifting capacity range for shipboard-based lifting gear on unspecialized ships?
What is the lifting capacity range for shipboard-based lifting gear on unspecialized ships?
- Up to 300 tons
- Up to 200 tons
- Up to 400 tons (correct)
- Up to 100 tons
What is the main purpose of shipboard lifting gear?
What is the main purpose of shipboard lifting gear?
- To secure cargo in the ship's holds
- To ventilate the ship's cargo spaces
- To lift cargo from the shore to the ship's holds (correct)
- To lower cargo from the ship to the shore
Which type of shipboard-based lifting gear has a variety of lifting capacity up to 400 tons?
Which type of shipboard-based lifting gear has a variety of lifting capacity up to 400 tons?
- Union Purchase
- Single Swinging Derrick
- Deck Cranes with level-luffing
- All of the above (correct)
What is the main function of a Single Swinging Derrick on Dry Cargo ships?
What is the main function of a Single Swinging Derrick on Dry Cargo ships?
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What is the primary purpose of Union Purchase on Dry Cargo ships?
What is the primary purpose of Union Purchase on Dry Cargo ships?
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Study Notes
Shipboard Lifting Gear
- Unspecialized ships typically have shipboard-based lifting gear with a lifting capacity range of up to 20 tons.
- The main purpose of shipboard lifting gear is to lift and transfer cargo, equipment, or other heavy objects on board.
- Heavy-lift shipboard-based lifting gear, such as floating sheerlegs, have a variety of lifting capacity up to 400 tons.
- A Single Swinging Derrick on Dry Cargo ships is primarily used for loading and unloading cargo over the ship's side.
- The primary purpose of Union Purchase on Dry Cargo ships is to move cargo or equipment over obstacles, such as hatch coamings or bulwarks.
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