Heat cannot, of itself, pass from a colder to a hotter body.

Breaking away of a mass of ice from a glacier or iceberg.

The physical or mechanical process of separating insoluble particulate matter from a fluid, such as air or liquid, by passing the fluid through a filter medium that will not allow the particulate to pass through it.

An instrument that can be modified or cancelled at any moment without notice to and agreement of the beneficiary, but customarily includes a clause in the credit to the effect that any draft negotiated by a bank prior to the receipt of a notice of revocat ...

A knot used to tie two lines together.

Ability of a filter to remove particle matter from an air stream. Measured by comparing concentrate of material upstream and downstream of the filter. Typical particulate sizes range from .3 micron to 50 micron.

Man employed in unloading ships in harbour, or in taking a ship from one port to another. Paid "lump" sum for services.

A labyrinth type filter having the active surfaces continuously splashed with oil. Most pollutants are absorbed by the oil which when circulated releases its pollutants, which sink by gravity to the bottom of the oil pan.

Fog over land caused by condensation of vapor in the air above cooler ground.

Is the ratio of weight of vapor existing in a given space to the weight that would be present if the space were saturated at the space temperature.

The headstay on which jibs are hoisted

A fluid (as hydrogen or air) that tends to expand indefinitely. Is one of three basic phases of matter.

Dangle a man from one of the yard arms, sometimes by the neck, if the man was to be killed, and sometimes by the toes, if he was merely to be tortured. A severe punishment used aboard sailing ships long ago. Today, a reprimand.

The difference between magnetic north and true north, measured as an angle. Magnetic variation is different in different geographic locations, so the nearest compass rose to each location on a chart must be used.

Area into which a boat can not go without tacking.

The area (in sq inches) of the filter element that is exposed to the flow of air or fluid for effective filtering.

A pressure-volume diagram for a compressor or engine cylinder produced by direct measurement made by the use of a device called an indicator.

The American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc., (ASHRAE) is an international membership organization operated for the exclusive purpose of advancing the arts and sciences of heating, refrigeration, air conditioning and ...

Unit of free air flow rate. Normal cubic meter per hour. The air in the following conditions:1.013 bar(a) of pressure; 0 degrees Celsius of temperature and 0% of relative humidity .