Podcast
Questions and Answers
What is the primary function of a ship propulsion engine?
What is the primary function of a ship propulsion engine?
- To enable the ship to move by rotating a propelling device. (correct)
- To filter and purify the ship's water supply.
- To generate electrical power for the ship.
- To control the ship's steering mechanisms.
Steam turbine gear drives are characterized by a low power-to-weight ratio.
Steam turbine gear drives are characterized by a low power-to-weight ratio.
False (B)
On what types of vessels are gas turbines commonly used?
On what types of vessels are gas turbines commonly used?
- Patrol craft, destroyers, and frigates (correct)
- Submarines and tankers
- Sailing yachts and fishing boats
- Cargo ships and tugboats
In a diesel gear drive engine, a key component for controlling propeller pitch is the ________-pitch propeller unit.
In a diesel gear drive engine, a key component for controlling propeller pitch is the ________-pitch propeller unit.
What is the purpose of auxiliary machinery aboard a ship?
What is the purpose of auxiliary machinery aboard a ship?
Which of the following is the primary purpose of a refrigeration plant on a ship?
Which of the following is the primary purpose of a refrigeration plant on a ship?
Air conditioning equipment on naval ships is primarily intended for aesthetic purposes rather than for maintaining personnel efficiency and safety.
Air conditioning equipment on naval ships is primarily intended for aesthetic purposes rather than for maintaining personnel efficiency and safety.
What is the main function of distilling plants on a ship?
What is the main function of distilling plants on a ship?
A/an _______ is a piece of deck machinery used for paying out and heaving in an anchor chain.
A/an _______ is a piece of deck machinery used for paying out and heaving in an anchor chain.
What is the function of a capstan on a ship?
What is the function of a capstan on a ship?
What is the purpose of a lube oil purifier in the engine room?
What is the purpose of a lube oil purifier in the engine room?
Cranes are exclusively used for handling airplanes on a ship.
Cranes are exclusively used for handling airplanes on a ship.
Which of the following is NOT a common use of air compressors on a ship?
Which of the following is NOT a common use of air compressors on a ship?
An air compressor with a discharge pressure of 150 psi or less is classified as a ________ pressure compressor.
An air compressor with a discharge pressure of 150 psi or less is classified as a ________ pressure compressor.
What are the two basic types of steering gears?
What are the two basic types of steering gears?
Match the type of air compressor with its corresponding discharge pressure range:
Match the type of air compressor with its corresponding discharge pressure range:
Electromechanical steering gears are commonly used on large combatant ships.
Electromechanical steering gears are commonly used on large combatant ships.
What is a common characteristic of steam turbine gear drives?
What is a common characteristic of steam turbine gear drives?
Auxiliary oilers often use _______ turbines for propulsion.
Auxiliary oilers often use _______ turbines for propulsion.
What parts make up the diesel gear drive engine?
What parts make up the diesel gear drive engine?
Which auxiliary machinery system provides cooled water and ice?
Which auxiliary machinery system provides cooled water and ice?
Distilling plants are used to eliminate impurities from lube oil.
Distilling plants are used to eliminate impurities from lube oil.
Which type of vessel would most likely rely on an electromechanical steering gear?
Which type of vessel would most likely rely on an electromechanical steering gear?
The vertically mounted, spool-shaped machine used for heaving heavy mooring lines is called a ________.
The vertically mounted, spool-shaped machine used for heaving heavy mooring lines is called a ________.
Name three uses of air compressors on a ship.
Name three uses of air compressors on a ship.
Flashcards
Ship Propulsion Engine
Ship Propulsion Engine
Engines used aboard ship to enable movement via rotating devices like oars or propellers.
Steam Turbine Gear Drive
Steam Turbine Gear Drive
A propulsion system utilizing steam turbines connected to a reduction gear for high power-to-weight ratio.
Gas Turbine Gear Drive
Gas Turbine Gear Drive
A propulsion system that uses gas turbines, commonly found in patrol craft and larger vessels.
Diesel Engine Gear Drive
Diesel Engine Gear Drive
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Auxiliary Machinery
Auxiliary Machinery
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Refrigeration Plant
Refrigeration Plant
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Air Conditioning Equipment
Air Conditioning Equipment
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Distilling Plants
Distilling Plants
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Anchor Windlass
Anchor Windlass
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Capstan
Capstan
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Lube Oil Purifier
Lube Oil Purifier
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Cranes
Cranes
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Air Compressor
Air Compressor
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Low Pressure Compressor
Low Pressure Compressor
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Medium Pressure Compressor
Medium Pressure Compressor
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High-Pressure Compressor
High-Pressure Compressor
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Electromechanical Steering Gear
Electromechanical Steering Gear
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Electro-hydraulic Steering Gear
Electro-hydraulic Steering Gear
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Study Notes
- After class discussion, students will be able to identify shipboard machinery and equipment
- Also, students will know about the different types of propulsion used by the navy
Ship Propulsion Engine
- Ship propulsion engines are used aboard ships to enable movement
- They rotate propelling devices like oars, paddles, wheels, or propellers
Steam Turbine Gear Drive
- Steam turbine gear drives are ruggedly constructed with a high power-to-weight ratio
- Individual propulsion units consist of main turbines and a main reduction gear
Gas Turbine Gear Drive
- Gas turbines are found on patrol craft, destroyers, cruisers, frigates, amphibious craft, and auxiliary oilers
Diesel Engines
- Diesel gear drive engines consist of the diesel engine, reduction gear, and either a controllable-pitch propeller unit or a motor/generator drive unit
- Examples of diesel engines are GM-6, GM-12, GM-16 and M-32
Auxiliary Machinery and Equipment
- Auxiliary equipment provides smooth operation, personnel safety and comfort aboard ships
Refrigeration Plant
- Refrigeration plants are utilized for food storage, water cooling, and ice making
Air Conditioning Equipment
- Air conditioning equipment is installed on naval ships in certain spaces
- These ensure personnel efficiency, health, and safety and protect equipment that could be endangered by high temperatures or humidity
Distilling Plants
- Distilling plants supply fresh water for shipboard uses and boiler feed water
Anchor Windlass
- Anchor windlasses are a piece of deck machinery
- They are mainly used to pay out and heave in an anchor chain
Capstan
- A capstan is a spool-shaped, vertically mounted drum
- It is used for heaving in heavy mooring line
Lube Oil Purifier
- Lube oil purifiers are normally located in the engine room
- They are used for contaminated lube oil, water, sediments, and impurities
Cranes
- Cranes raise, lower, and move loads in a horizontal direction
- They are used for handling airplanes, boats, torpedoes, minesweeping gears, missiles, trucks, and stores
Air Compressor
- Air compressors are driven by electric motors
- They are commonly used for operating pneumatic tools, ejecting gas from the ship's gun, starting diesel engines, charging and firing torpedoes, operating gun counter recoil, and providing pressure for the ship's horn
Types of Air Compressors
- Low pressure compressors have a discharge pressure of 150 psi or less
- Medium pressure compressors have a discharge pressure of 151 psi to 1000 psi
- High-pressure compressors have a discharge pressure of more than 1000 psi
Types of Steering Gears
- Electromechanical steering gears are used extensively on small, non-combatant ships
- Electro-hydraulic steering gears are used extensively on large combatant ships
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