Costs that do not vary with the level of activity. Some fixed costs continue even if no cargo is carried. Terminal leases, rent and property taxes are fixed costs.

The compressor is started automatically, depending on demand. Control panel is energized with no "pre-start" cycle required, as pre-lubrication pump and buffer (seal) air are always "on". A state of pre-start exists. Steam turbine compressors are "slow-ro ...

To subject petroleum oil to heat for breaking down into lighter products.

Is the total pressure (static plus velocity) at the inlet flange of the compressor.

When an anchored vessel is forced, by wind or current, to swing across her anchor so as to risk fouling it with her own cable, she is said to break sheer.

On gaff-rigged sailing vessels the luff of the mainsail is secured to the mast by wooden hoops, which slide up or down the mast as the sail is raised or lowered.

When rope comes aboard a vessel and is put to use, it is called line, although some still call it rope if it is over one inch in diameter.

The bottom of a wave, the valley between the crests.

A stationary element that may be adjustable and which directs the flow medium to the inlet of an impeller.

The actual work required to compress and deliver a given gas quantity, including all thermodynamic, leakage and fluid friction losses. It does not include mechanical losses.

A valve which connects the high pressure side of a compressed air system to the suction side and is adjusted so as to maintain a specific pressure on the suction side by controlled bleeding of hot gas to the suction side.

A strong vertical post used to attach lines for towing or mooring.

The space between any decks.

An indication on a draft that the documents attached are to be released to the drawee only on payment.

Wind-bound. When a vessel is kept in port by a head wind.

The point where the stem joins the forward end of the keel.

Said of a vessel when forced to heave to or lie at anchor due to fog.

The act of the U.S. Congress (1916) that created the U.S. Shipping Board to develop water transportation, operate the merchant ships owned by the government, and regulate the water carriers engaged in commerce under the flag of the United States. As of Ju ...

Running ashore (hitting the bot-tom).

Back pressure.