A level indicator in which the rising level of the liquid or other material reduces the amount of radiation passing from a gamma-ray source through the container to a Geiger counter or other radiation detector.


Related Terms

PARACRATE

Rigid equipment container for dropping equipment from an airplane by parachute.

PARABOMB

An equipment container with a parachute which is capable of opening automatically after a delayed drop.

OVERFLOW CAPACITY

Capacity of a container measured to its top, or to the point of overflow.

NET LOAD CAPACITY

The weight of a material that can be handled, without failure, by a machine or process plus the weight of the container or device.

MASTER CYLINDER

The container for the fluid and the piston, forming part of a device such as a hydraulic brake or clutch.

LOAD LIMIT

1. The maximum weight that can be supported by a structure. 2. The maximum recommended or permitted overall weight of a container or a cargo-carrying vehicle that is determined by combining the weight of the empty container or vehicle with the weight of the load.

JOULE EXPERIMENT

1. An experiment to detect intermolecular forces in a gas, in which one measures the heat absorbed when gas in a small vessel is allowed to expand into a second vessel which has been evacuated. 2. An experiment to measure the mechanical equivalent of heat, in which falling weights cause paddles to rotate in a closed container of water whose temperature rise is measured by a thermometer.

FLUID

A substance readily assuming the shape of the container in which it is placed; e.g. oil, gas, water or mixtures of these. A general classification including liquids and gases.

DRUM

A container with a capacity of 55 U.S. gallons.

POUR POINT

Lowest temperature at which an oil or distillate fuel is observed to flow, when cooled under conditions prescribed by test method ASTM D 97. The pour point is 3°C (5°F) above the temperature at which the oil in a test vessel shows no movement when the container is held horizontally for five seconds.

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