A unit of pressure for a fluid, commonly used in water pumping and hydropower to express height a pump must lift water, or the distance water falls. Total head accounts for friction head losses, etc.

The potential energy available in a fuel as received, taking into account the energy loss in evaporating and superheating the water in the fuel. Equal to the higher heating value minus 1050W where W is the weight of the water formed from the hydrogen in t ...

Same as dropsonde.

The transmission of data collected at a remote location over communications channels to a central station.

The bridge used for taking observations, or directing the handling of the ship.

The range of operating conditions within which a device is designed to operate and for which operating influences are stated. See operating conditions, reference operating conditions.

All orders in a floor broker's possession that have not yet been.

CFM flowing through the compressor inlet filter or inlet valve under rated conditions

States that energy cannot be created or destroyed, but only changed from one form to another. First Law efficiency measures the fraction of energy supplied to a device or process that it delivers in its output. Also called the law of conservation of energ ...

See calorie.

A measure of air purity that is equal to one complete air change (in an interior space).

Wind with a speed between 7 and 10 knots (8 and 12 mph), Beaufort scale number 3.

Sailing beyond a racing mark or buoy whereby you sail a greater distance

The legal liability of two or more people for claims against or debts incurred by them jointly. If.

The sudden heave of the ship.

A professional person qualified to give advice to clients regarding investments such as life.

Project IDentification.

Chromium plated for engineering rather than decorative applicactions.

The first law states that energy can not be created or destroyed; the second law states that when a free exchange of heat occurs between two materials, the heat always moves from the warmer to the cooler material.

In railcar or container shipments, the weight of the empty railcar or empty container.