Ship Handling Flashcards
The intersection of the vertical line through the center of buoyancy and the vertical centerline is called the ____________________?
Righting moment
Vessel axis
Epicenter
Metacenter
Metacenter
_____________________ can be considered a measure of a vessel’s weight?
Metacentric Height
Displacement
Gross Tonnage
Net Tonnage
Displacement
The outermost surface of the vessels hull is called _____________________?
Shell plating
Inner bottom plating
Transverse bulkhead
Stanchion
Shell plating
_________________ is a measure of carrying capacity, specifically the volume of interior spaces?
Displacement
Gross weight
Tonnage
Net weight
Tonnage
The ____________________ can be considered the “backbone” of the vessel.
Garboard strake
Keel
Mast
Rudder post
Keel
_____________________ occurs when torque builds from the blade of the prop striking the suction screw current at an angle?
Propwalk
Torque
Bank suction
Bank cushion
Propwalk
These frames are considered to be the “ribs” of the vessel?
Parallel frames
Transverse frames
Longitudinal frames
Vertical frames
Transverse frames
When moving astern with a right handed prop, the torque pushes the stern to ____________________?
Port
Starboard
Starboard aft
Port aft
Port
A watertight wall breaking the vessel into compartments is considered to be a ___________________?
Collision bulkhead
Scupper
Bulkhead
Forepeak
Bulkhead
A _____________________ is a cylindrical shroud surrounding the propeller that increases efficiency at lower speeds when going ahead, but less efficient when going astern.
Rudder post
Z-pod
Outdrive
Kort nozzle
Kort nozzle
A water tight box in which the propellor shaft passes through is called a ____________________?
Stuffing box
Stern bearing
Propellor log
Rudder post
Stuffing box
What provides lateral control of the bow at slow speeds?
Inboard/Outboard
Kort nozzle
Bow Thruster
Outboard
Bow Thruster
Where two plates or planks meet vertically is called a _______________________?
Seam
Side joint
Butt seam
Butt joint
Butt joint
When a vessel moves through shallow water an area of low pressure is created under the stern of the vessel causing the vessel to sink lower in the water, this is called ____________________?
Bank suction
Bank cushion
Squatting
Pushing
Squatting
Where two plates or planks meet horizontally is called a ____________________?
Joint
Seam
Connection
Deck plate
Seam
The vessel’s bow wave causes water to pile up between the bow of the boat and the shoreline or embankment. This build up of water will force the bow away from the bank otherwise known as ___________________?
Drifting
Squatting
Bank suction
Bank cushion
Bank cushion
Some hull designs may be described as being ____________________?
Flat bottom
Square bottom
Circular hull
All of the above
Flat bottom
The distance gained at right angles to a vessel’s original course after turning through 90 degrees is called ___________________?
Transfer
Head reach
Turning circle
Advance
Transfer
A __________________ deck is slightly arched in order for water to easily drain.
Sheered
Buckled
Cambered
None of the above
Cambered
The distance gained in the original travel direction when you are turning is called ______________________?
Advance
Head reach
Pivot point
Turning circle
Advance
__________________ is the curvature of the deck from fore to aft.
Veer
Cambered
Sheer
Vertical rise
Sheer
How many feet are in a fathom?
3
6
9
12
6
A hole in the bow of the vessel in which anchor chain can pass though is called a ____________________?
Deck strake
Windlass
Hawsepipe
Bit
Hawsepipe
When a vessel is horizontal to the waves and can lead to a vessel capsizing, other wise known as ____________________?
Heeling
Broaching
Seizing
Swaying
Broaching
Another name for a “safe load” mark which is at the water line on the exterior of your vessel is called a ___________________?
Safe line mark
Plimsoll mark
Equal load line
Balanced load mark
Plimsoll mark
Sideways rotational motion as a result of rough water is known as ____________________?
Surge
Pitch
Roll
Sway
Roll
The “T” on a safe load line marking indicates _____________________?
Top Heavy
Tropical fresh water
Tropical
Tropical salt water
Tropical
Prudent mariners should carry a lead line because technology can fail?
True
False
True
Stability is determined through an understanding of _______________________?
Weight and buoyancy
Balance and integrity
Free surface and meteorology
Construction and hull design
Weight and buoyancy
When the stern is pulled toward the bank because of the Bernoulli Effect from the suction of the propellers, this is called ____________________?
Bank suction
Bank cushion
Stern thrust
Squatting
Bank suction
