Exam 1 Flashcards
Vessel Prefix: GTS
Gas Turbine Ship
How many area coefficients are there in ship design?
2
What are the 2 types of volume coefficients in ship design?
- Block coefficient
2. Prismatic coefficient
PCTC
Pure Car and Truck Carrier
How many volume coefficients are there in ship design?
2
A _____ is the backbone of a ship.
Keel
Vessel Prefix: S/V
Sailing Vessel
The length of a ship measured from the extreme forward end to the aftermost point of the stern.
Length Over All (LOA)
Vertical distance from the projected line of the top of the deck to the waterline
Freeboard
What are the 3 types of linear ratios in ship design?
- Length and Breadth Ratio
- Length and Depth Ratio
- Breadth and Depth Ratio
Vessel Prefix: N/S
Nuclear Ship
VLCC
Very Large Crude Carrier
Vessel Prefix: M/V
Motor Vessel
Defn: difference between Loaded displacement and Lightship Displacement
= Loaded displacement - Lightship displacement
Deadweight
What are the 2 types of area coefficients in ship design
- Waterplane coefficient
2. Midship Section coefficient
____________ is the narrowing part of the underwater body of a ship, forward of the middle body section.
Entrance
_____ or ________ means towards the bow end of a vessel.
Fore, Forward
Vessel Prefix: S/S
Steam Ship
A vertical line through the intersection of the stem with the load waterline.
Forward Perpendicular
What is defined as the volume of the watertight portion of a ship above the waterline?
Reserve buoyancy
Displacement at maximum allowable load
Loaded displacement
Vertical distance from keel to the waterline.
Draft
_____ or _______ means towards the stern end of a vessel.
Aft, After
Total weight of the “empty” ship
Lightship displacement
How many linear ratios are there in ship design?
3
The purpose of a __________ _____ is to:
- Ensure that a ship has sufficient freeboard thus sufficient reserve buoyance
Plimsoll Mark
The vertical deflection of a ship’s hull where the hull is bent downward amidships.
Sagging
A vertical line through the rudder stock or rudder post.
After Perpendicular
What is the narrowing part of the underwater body of a ship, aft of the middle body section called?
Run
Horizontal surfaces on a ship are called:
Decks
A void or empty space separating two tanks on a vessel is referred to as a ____________.
Cofferdam
______________ _____________ states that a body immersed in a fluid is buoyed up by a force equal to the weight of the displaced fluid.
Archimedes’ Principle
Vessel Prefix: R/V
Research Vessel
What is the term used to describe preventing the passage of water?
Watertight
= Deadweight - Ballast, fuel, provisions
Cargo capacity
Vessel Prefix: M/T
Motor Tanker
The center portion of a vessel is called:
Amidships
Vessel Prefix: T/S
Training Ship
PCC
Pure Car Carrier
The vertical deflection of a ship’s hull where the hull is bent upwards amidships.
Hogging
Total weight of the ship and contents when afloat
Displacement
ULCC
Ultra Large Crude Carrier
The length of a ship measured from the forward perpendicular to the after perpendicular.
Length Between Perpendiculars (LBP)
______ is the vertical distance from the keel to the line of the top deck.
Depth
