The ratio of the electric power produced by a photovoltaic device to the power of the sunlight incident on the device.

Liquefied Petroleum Gas, or a carrier of LPG.

The liquor resulting from dissolving molten melt irom the kraft recovery furnace in water. See also kraft process and smelt.

See hydrogen embrittlement.

The swelling or bubbling of a coating usually because of heating (term currently used in space and fire protection applications).

An instrument used to measure the water vapor content of the air. A type of hygrometer. It consists of a wet-bulb and a dry-bulb thermometer. See aspiration psychrometer, Assmann psychrometer. hygrodeik, sling psychrometer.

A valve that controls the flow of air that passes through the valve. Used often for retardation or timing circuits, but especially for regulating the piston speed in cylinders.

(GNMA)In the US, a government-owned corporation which guarantees payment of interest and principal of.

A type of knot used to fasten an anchor to its line.

A common utility monetary measure equal to one-thousandth of a dollar or a tenth of a cent.

The horsepower required to compress adiabatically the air or gas delivered by the compressor through the specified range of pressures.

Cubic feet per minute (cfm) of air required at the inlet to the distribution system.

A transaction in which the purchaser of goods pays an initial deposit and takes possession. .

A unit of energy equal to 1.356joules.

A general term for atmospheric water in any of its forms, i.e. clouds, fog, hail, ice crystals, rain.

A measure of the probability that a system demand will exceed capacity during a given period; often expressed as the estimated number of days over a long period, frequently 10 years or the life of the system.

The mast aft of the mainmast in a sailing ship - the shorter mast behind the main mast on a ketch or yawl, or the third aftermost mast of a three-masted schooner or square-rigged ship.

In water transportation, the time it takes between the arrival of a vessel and its departure.

A hygrometer in which the rotation of the hygrometric element is a function of humidity.

LPG or propane for short. Propane is a common fuel used for cooking and heating. CNG natural gas is considered safer because propane is heavy than air and will sink into the bilge if it leaks, creating the potential for an explosion. Propane is more easil ...