A type of water heater in which heated water is stored within the tank. Hot water is released from the top of the tank when a hot water faucet is turned. This water is replaced with cold water that flows into the tank and down to just above the bottom pla ...

The percentage of a building's seasonal energy requirements that can be met by a solar energy device(s) or system(s).

The monochromatic irradiance of a surface per unit bandwidth at a particular wavelength, usually expressed in Watts per square meter-nanometer bandwidth.

Pounds per square inch, absolute.

See radiation shield.

The angle between a line from a point on the earth's surface to the center of the solar disc, and a line extending horizontally from the point.

A device that converts high-pressure steam, produced in a boiler, into mechanical energy that can then be used to produce electricity by forcing blades in a cylinder to rotate and turn a generator shaft.

A deduction of either 50% or 100% which is made from the value of business property when it is.

Instrument used to measure the amount of water evaporated from the soil surface during a given time interval.

All naval officers with the rank of rear admiral (or its equivalent) and above.

A safety device used to prevent or stop unwanted flames.

The air compressor continues to run and air supply is matched to the demand by partial unloading. This can be accomplished by a regulator controlled floating inlet or by step unloading.

Small iceberg that has broken away from a larger iceberg.

Estimated account

Long-range navigation system that uses radio signals transmitted at specific times. An onboard receiver computes position by measuring the difference in time of signal reception. This system is being phased out in favor of GPS.

The large enclosed floor where the lines of a vessel are laid out and the molds or templates made.

A dining room on a ship.

To sail too close to the wind so that the sails start to luff.

Turbines or engines in which gas expands, does work, and undergoes a drop in temperature.

Is the energy a substance possesses by virtue of its motion or velocity. Used primarily in calculations for dynamic and ejector type compressors.