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Naval Arch > Exam 2 > Flashcards

Exam 2 Flashcards

1
Q

USCG:
Defn: A void or empty space separating two tanks

A

Cofferdam

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2
Q

USCG:

_______ ________ are used to prevent flames from entering tanks.

A

Flame screens

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3
Q

USCG:

When planning the loading or discharging of a VLCC (100,000 DWT+) what is the most important consideration?

A

Limits of the bending moments

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4
Q

USCG:

To determine the weight capacity of a deck in a cargo hold, you would refer to the _________

A

Deck capacity plan

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5
Q

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 ___________.

A

To prevent cargo from coming in contact with the vessel’s frame or shell plating.

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6
Q

USCG:

A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by ____________.

A

Drilling a hole at each end of the crack

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7
Q

USCG:

The best information on the location of the blocks when dry docking a vessel is contained in the _____________.

A

Ship’s docking plan

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8
Q

USCG:

While in dry dock your vessel will be belt-gauged. This process involves ___________.

A

Drilling or sonic-testing the hull to determine the plate thickness.

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9
Q

USCG:

(T/F) Every ton of weight bearing on the blocks acts as if a ton of weight was removed at keel level.

A

True

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10
Q

USCG:

A large basin cut into the shore, closed off by a caisson, and used for dry docking of ships is known as a _______

A

Graving dock

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11
Q

USCG:

Wale shores would be used when dry docking a vessel with __________.

A

Excessive deadrise

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12
Q

USCG:

A “liner” in riveted construction of a vessel is a(n) __________.

A

small plate which fills the aperture between riveted strakes and the vessel framing.

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13
Q

USCG:

The use of liners in riveted construction is eliminated by using _____________.

A

joggled construction

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14
Q

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 ___________.

A

lap joint

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15
Q

USCG:

The distance between rivets in a row is known as the _________.

A

pitch

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16
Q

What is the path of energy as it is generated to where it is used? (general description)

A

Fuel -> Generator -> Main bus -> Transformers -> loads (CB’s)

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17
Q

What are the (3) main objectives of the IMO?

A
  1. Maritime safety
  2. Accident prevention
  3. Prevention of pollutition
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18
Q

Standards and rules adopted by administrative agencies that govern how laws will be enforced.

A

Regulations

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19
Q

What year was IMO established?

A

1948

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20
Q

What is the phrase “Safe, secure and efficient shipping on clean oceans”

A

IMO Theme

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21
Q

__________ _________ participate in the work of the IMO as technical advisors to various delegations.

A

Classification societies

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22
Q

To provide inspection and certification for compliance and advise companies on IMO regulations is the main function of what?

A

Classification societies

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23
Q

Does the IMO (U.N.) have an enforcement body?

A

No

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24
Q

Defn: The practice of maritime nations exercising regulatory oversight of visiting vessels flying flags other than that of the host nation.

A

Port State Control

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25
Q

Defn: The practice of maritime nations exercising regulatory oversight of their vessels flying their flag.

A

Flag State Control

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26
Q

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?

A

Flag State Control

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27
Q

What (2) organizations are responsible for regulatory inspections in the United States?

A
  1. USCG

2. Classification Societies

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28
Q

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?

A

Port State Control

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29
Q

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

a. Europe

b. 25%

30
Q

The IMO is a smaller part of what larger organization?

A

the United Nations

31
Q

Where is the IMO’s headquarters located?

A

London, England

32
Q

What does SMS stand for?

A

Safety Management System

33
Q

(T/F) The IMO creates national laws for its signatory nations to follow.

A

False

34
Q

(T/F) The IMO is in place to ensure maritime safety, a clean maritime environment and with commercial viability.

A

False; it is concerned with safety, clean environment, and accident prevention

35
Q

What does ISM stand for?

A

International Safety Management

36
Q

What year was ISM adopted?

A

1994

37
Q

In addition to regulations, what (3) things does the ISM Code seek to accomplish?

A
  1. Enhance top management buy-in
  2. Set up management systems within shipping companies
  3. Promote transparency and worker empowerment
38
Q

What does SOLAS stand for?

A

International Convention on the Safety Of Life At Sea

39
Q

What does COLREGS stand for?

A

Convention on the International Regulations for Preventing Collisions at Sea

40
Q

USCG:

The type of joint formed when a third small plate is riveted over two plates butted together is called a ________.

A

Strap joint

41
Q

USCG:

Rivets are usually made of ________.

A

Mild steel

42
Q

USCG:

The “grip” of a joint represents the _________.

A

Thickness of the connected members.

43
Q

USCG:

When riveted joints occur at the ends of plating they are called __________.

A

Butts

44
Q

USCG:

(T/F) When conducting repairs on the hull of a vessel welding must be completed before the riveting begins.

A

True

45
Q

USCG:

After riveting is completed, the joints on the shell of a vessel are generally made watertight by _________.

A

Caulking

46
Q

USCG:

By definition, a “spar deck” is the what?

A

The upper or weather deck above the main strength deck.

47
Q

USCG:

When loading a cargo of taconite, proper sequencing of loading by hatch number is necessary to ___________.

A

Prevent excessive longitudinal stresses.

48
Q

USCG:

What is the difference between net tonnage and gross tonnage?

A

Net tonnage is the gross tonnage minus certain deductible spaces.

49
Q

USCG:

A tonnage tax is levied according to the ___________.

A

Net tonnage of the vessel

50
Q 
USCG:
Which space(s) is (are) exempt when measuring gross tonnage?
A
  1. Auxiliary machinery spaces above the uppermost continuous deck
  2. Steering gear room
  3. Part of the wheelhouse used to control the vessel
51
Q

USCG:
The figure obtained by dividing the total volume of the ship in cubic feet (after omission of exempted spaces) by 100 is the ___________.

A

Gross tonnage

52
Q

USCG:

What is NOT required to be approved or certified by the USCG before being used on inspected vessels?

A

Steel plate used in hull construction

53
Q

USCG:
The extension of the after part of the keel in a single-screw vessel upon which the stern post rests is called the _________.

A

Skeg

54
Q

USCG:

On a single-screw vessel the stern frame does what?

A

Furnishes support to the rudder, propeller shaft, and transom frame.

55
Q

USCG:

The ratio of the height of a vessel’s rudder to its width is referred to as the _________.

A

Aspect ratio

56
Q

USCG:

A Kort nozzle is a(n) ________.

A

A hollow tube surrounding the propeller used to improve thrust.

57
Q

USCG:

The pitch of a propeller is a measure of the _________.

A

The number of feet per revolution the propeller is designed to advance in still water without slip.

58
Q

USCG:

The terms “cant frame” and “counter” are associated with the vessel’s what?

A

Stern

59
Q

USCG:

The term “pintle” and “gudgeon” are associated with what part of a ship?

A

The rudder

60
Q

USCG:

A “contra-guide” is a type of?

A

Rudder

61
Q

USCG:

The horizontal flat surfaces where the upper stock joins the rudder are the what?

A

Rudder palms

62
Q

USCG:

In ship construction, keel scantlings should be the greatest where?

A

Amidships

63
Q

USCG:

A term applied to the bottom shell plating in a double-bottom ship is __________.

A

Outer bottom

64
Q

USCG:

The “margin plate” is the __________.

A

Outboard strake of plating on each side of an inner bottom.

65
Q

USCG:

The “inner bottom” is the…?

A

Tank top

66
Q

USCG:

(T/F) Solid floors may have lightening, limber, or air holes cut into them.

A

True

67
Q

USCG:

The floors in a vessel’s hull structure are kept from tripping, or folding over, by what?

A

Bottom longitudinals

68
Q

USCG:

Vertical structural members attached to the floors that add strength to the floors are called _________.

A

Stiffeners

69
Q

USCG:

(T/F) Double bottom ships are less expensive to construct because of increased access space.

A

False

70
Q

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.

A

True

71
Q

USCG:

An advantage of using watertight longitudinal divisions in double bottom tanks is?

A

It cuts down on free surface effect

72
Q

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?

A

Suction lines are fitted with a non-return valve

Naval Arch (4 decks)

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