The amount of energy service or useful energy delivered per unit of energy input. Often used in reference to lighting systems, where the visible light output of a luminary is relative to power input; expressed in lumens per Watt; the higher the efficacy v ...

Latvia(flag).

A type of turbine in which combusted, pressurized gas is directed against a series of blades connected to a shaft, which forces the shaft to turn to produce mechanical energy.

A professional person qualified to give clients financial planning.

Transfer Of Class Agreement (IACS)

Is one which 1) handles a small constant flow of liquid with the gas; 2) utilizes evaporative (injection) cooling; or 3) circulates a liquid for sealing and/or cooling. The last may or may not be evaporative cooling.

A power line for supplying electricity within a specified area.

Noise of less than one second's duration which occurs as an isolated event, or as one of a series of events with a repeat it ion rate of less than 15 times per second .

A cargo on which the transportation charge is assessed on the basis of weight.

A turbine that uses water pressure to rotate its blades; the primary types are the Pelton wheel, for high heads (pressure); the Francis turbine, for low to medium heads; and the Kaplan for a wide range of heads. Primarily used to power an electric generat ...

A means to increase the thermal efficiency of a steam electric generating system by converting some waste heat from the condenser into electricity. The heat engine in a bottoming cycle would be a condensing turbine similar in principle to a steam turbine ...

Draft that is caused by temperature differences in the air.

See: 'State.

Cycloidal Propeller

An option which can be exercised at any time until expiry (unlike European style options which can.

Cargo thrown overboard in order to lighten the ship and washed ashore.

The nautical mile is closely related to the geographical mile which is defined as the length of one minute of arc on the earth's equator. By international agreement, the nautical mile is now defined as 1852 meters.

A light source composed of a metal base, a glass tube filled with an inert gas or a vapor, and base pins to attach to a fixture.

A charge for the maximum rate at which energy is used during peak hours of a billing period. That part of a utility service charged for on the basis of the possible demand as distinguished from the energy actually consumed.

The maximum current density that can be used to obtain a desired electrode reaction without undue interference such as from polarization.