Exam 2 Flashcards
USCG:
Defn: A void or empty space separating two tanks
Cofferdam
USCG:
_______ ________ are used to prevent flames from entering tanks.
Flame screens
USCG:
When planning the loading or discharging of a VLCC (100,000 DWT+) what is the most important consideration?
Limits of the bending moments
USCG:
To determine the weight capacity of a deck in a cargo hold, you would refer to the _________
Deck capacity plan
USCG:
Battens are fitted in cargo holds across the frames of the vessel from the turn of the bilge upward. The purpose of these cargo battens is ___________.
To prevent cargo from coming in contact with the vessel’s frame or shell plating.
USCG:
A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by ____________.
Drilling a hole at each end of the crack
USCG:
The best information on the location of the blocks when dry docking a vessel is contained in the _____________.
Ship’s docking plan
USCG:
While in dry dock your vessel will be belt-gauged. This process involves ___________.
Drilling or sonic-testing the hull to determine the plate thickness.
USCG:
(T/F) Every ton of weight bearing on the blocks acts as if a ton of weight was removed at keel level.
True
USCG:
A large basin cut into the shore, closed off by a caisson, and used for dry docking of ships is known as a _______
Graving dock
USCG:
Wale shores would be used when dry docking a vessel with __________.
Excessive deadrise
USCG:
A “liner” in riveted construction of a vessel is a(n) __________.
small plate which fills the aperture between riveted strakes and the vessel framing.
USCG:
The use of liners in riveted construction is eliminated by using _____________.
joggled construction
USCG:
The type of joint formed when an edge of plate is laid over the edge of the plate to which it is riveted is a ___________.
lap joint
USCG:
The distance between rivets in a row is known as the _________.
pitch
What is the path of energy as it is generated to where it is used? (general description)
Fuel -> Generator -> Main bus -> Transformers -> loads (CB’s)
What are the (3) main objectives of the IMO?
- Maritime safety
- Accident prevention
- Prevention of pollutition
Standards and rules adopted by administrative agencies that govern how laws will be enforced.
Regulations
What year was IMO established?
1948
What is the phrase “Safe, secure and efficient shipping on clean oceans”
IMO Theme
__________ _________ participate in the work of the IMO as technical advisors to various delegations.
Classification societies
To provide inspection and certification for compliance and advise companies on IMO regulations is the main function of what?
Classification societies
Does the IMO (U.N.) have an enforcement body?
No
Defn: The practice of maritime nations exercising regulatory oversight of visiting vessels flying flags other than that of the host nation.
Port State Control
Defn: The practice of maritime nations exercising regulatory oversight of their vessels flying their flag.
Flag State Control
A country being responsible for enforcing the laws and rules applicable to ships sailing under their flag is an example of what type of control?
Flag State Control
What (2) organizations are responsible for regulatory inspections in the United States?
- USCG
2. Classification Societies
The inspection of foreign ships in national ports to verify that the condition of the ship and its equipment comply with the requirements of international regulations is an example of what type of control?
Port State Control
Nations of a. __________ tend to combine Flag State and Port control into a target goal of b. ______ % inspection of all ships that entire their combined ports.
a. Europe
b. 25%
The IMO is a smaller part of what larger organization?
the United Nations
Where is the IMO’s headquarters located?
London, England
What does SMS stand for?
Safety Management System
(T/F) The IMO creates national laws for its signatory nations to follow.
False
(T/F) The IMO is in place to ensure maritime safety, a clean maritime environment and with commercial viability.
False; it is concerned with safety, clean environment, and accident prevention
What does ISM stand for?
International Safety Management
What year was ISM adopted?
1994
In addition to regulations, what (3) things does the ISM Code seek to accomplish?
- Enhance top management buy-in
- Set up management systems within shipping companies
- Promote transparency and worker empowerment
What does SOLAS stand for?
International Convention on the Safety Of Life At Sea
What does COLREGS stand for?
Convention on the International Regulations for Preventing Collisions at Sea
USCG:
The type of joint formed when a third small plate is riveted over two plates butted together is called a ________.
Strap joint
USCG:
Rivets are usually made of ________.
Mild steel
USCG:
The “grip” of a joint represents the _________.
Thickness of the connected members.
USCG:
When riveted joints occur at the ends of plating they are called __________.
Butts
USCG:
(T/F) When conducting repairs on the hull of a vessel welding must be completed before the riveting begins.
True
USCG:
After riveting is completed, the joints on the shell of a vessel are generally made watertight by _________.
Caulking
USCG:
By definition, a “spar deck” is the what?
The upper or weather deck above the main strength deck.
USCG:
When loading a cargo of taconite, proper sequencing of loading by hatch number is necessary to ___________.
Prevent excessive longitudinal stresses.
USCG:
What is the difference between net tonnage and gross tonnage?
Net tonnage is the gross tonnage minus certain deductible spaces.
USCG:
A tonnage tax is levied according to the ___________.
Net tonnage of the vessel
USCG: Which space(s) is (are) exempt when measuring gross tonnage?
- Auxiliary machinery spaces above the uppermost continuous deck
- Steering gear room
- Part of the wheelhouse used to control the vessel
USCG:
The figure obtained by dividing the total volume of the ship in cubic feet (after omission of exempted spaces) by 100 is the ___________.
Gross tonnage
USCG:
What is NOT required to be approved or certified by the USCG before being used on inspected vessels?
Steel plate used in hull construction
USCG:
The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the _________.
Skeg
USCG:
On a single-screw vessel the stern frame does what?
Furnishes support to the rudder, propeller shaft, and transom frame.
USCG:
The ratio of the height of a vessel’s rudder to its width is referred to as the _________.
Aspect ratio
USCG:
A Kort nozzle is a(n) ________.
A hollow tube surrounding the propeller used to improve thrust.
USCG:
The pitch of a propeller is a measure of the _________.
The number of feet per revolution the propeller is designed to advance in still water without slip.
USCG:
The terms “cant frame” and “counter” are associated with the vessel’s what?
Stern
USCG:
The term “pintle” and “gudgeon” are associated with what part of a ship?
The rudder
USCG:
A “contra-guide” is a type of?
Rudder
USCG:
The horizontal flat surfaces where the upper stock joins the rudder are the what?
Rudder palms
USCG:
In ship construction, keel scantlings should be the greatest where?
Amidships
USCG:
A term applied to the bottom shell plating in a double-bottom ship is __________.
Outer bottom
USCG:
The “margin plate” is the __________.
Outboard strake of plating on each side of an inner bottom.
USCG:
The “inner bottom” is the…?
Tank top
USCG:
(T/F) Solid floors may have lightening, limber, or air holes cut into them.
True
USCG:
The floors in a vessel’s hull structure are kept from tripping, or folding over, by what?
Bottom longitudinals
USCG:
Vertical structural members attached to the floors that add strength to the floors are called _________.
Stiffeners
USCG:
(T/F) Double bottom ships are less expensive to construct because of increased access space.
False
USCG:
(T/F) The total area of the vents or the overflow shall be at least 125% of the area of the fill line in order to protect double bottom tanks from excessive pressure.
True
USCG:
An advantage of using watertight longitudinal divisions in double bottom tanks is?
It cuts down on free surface effect
USCG:
What is used to prevent accidental flooding of a double bottom or peak tanks in the event of a pipe rupture due to collision?
Suction lines are fitted with a non-return valve
