Week 08 of 15 – Terms	Name: Answer Sheet

In your own words, write a definition for each of the following terms. Plagiarism will be checked and not tolerated.

Points: 5 pts/each = 4 * 5 = 20 pts

Float

1. Any component that has positive buoyancy. For example, a hollow watertight body that rests on the surface of a liquid, partly or completely supported by buoyant forces. 2. In control, the amount of time between the completion of a task or activity and the start of the next.

Displacement (Displacer)

1. The change in position of a body or point with respect to a reference point. Note: Position is the spatial location of a body or point with respect to a reference point. [ISA-37.1-1975 (R1982)] 2. The volume that is swept out by a piston as it moves inside a cylinder from one extreme of its stroke to the other. 3. For a reciprocating engine, pump, or compressor, the volume that is swept out by one piston as it moves from top dead center to bottom dead center, multiplied by the number of cylinders. 4. The act of forcing a fluid or granular substance to move out of a cavity or tube by forcing more of the substance in or by means of a piston or inflatable bladder that moves or expands into the space.

Archimedes’ Principle

The law that a body immersed in a fluid is buoyed up by a force (buoyant force) equal to the weight of the fluid displaced by the body.

Level glass, level gage, gage glass

A vertical tube of glass or a combination of metal and glass with a viewing window used to measure liquid level in a tank or vessel. The viewing window of the level glass will nominally show the same liquid level that is in the tank or vessel.