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LL

International Convention on Load Lines, 1966, as amended

Related Terms

INTERNATIONAL LOAD LINE CERTIFICATE

A certificate which gives details of a ship's freeboard and states that the ship has been surveyed and the appropriate load lines marked on her sides. The certificate is issued by a classification society or coastal authority such as a coast guard.

AFTER PERPENDICULARS

A vertical line at the intersection of the summer load line and the after side of the rudder post or sternpost, or the centerline of the rudder stock if there is no rudder post or sternpost

LOAD LINE

The line on a ship which indicates the maximum depth to which it can sink when loaded with cargo. Also known as marks.

TONNAGE OPENINGS

Nonwatertight openings in the shelter deck and in the tween deck bulkheads immediately below in order to exclude spaces from tonnage measurement and thus obtain reduced gross and net tonnage. The openings could be closed by nonwatertight wood shifting boards or metal covers meeting the tonnage and load line regulations

ILLC

International Load Line Convention

TIMBER LOAD LINE

a special load line assigned to ships complying with certain conditions related to their construction set out in the international convention on load lines and used when the cargo complies with the stowage and securing conditions of this code.

False brinelling

False brinelling of needle roller bearings is actually a fretting corrosion of the surface since the rollers are the I.D. of the bearing. Although its appearance is similar to that of brinelling, false brinelling is characterized by attrition of the steel, and the load on the bearing is less than that required to produce the resulting impression. It is the result of a combination of mechanical and chemical action that is not completely understood, and occurs when a small relative motion or vibration is accompanied by some loading, in the presence of oxygen.

AXIAL-LOAD BEARING

A bearing in which the load acts in the direction of the axis of rotation.

EP (EXTREME PRESSURE) LUBRICANTS

Lubricants that impart to rubbing surfaces the ability to carry appreciably greater loads than would be possible with ordinary lubricants without excessive wear or damage.

BRINELLING

Permanent deformation of the bearing surfaces where the rollers (or balls) contact the races. Brinelling results from excessive load or impact on stationary bearings. It is a form of mechanical damage in which metal is displaced or upset without attrition.
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