Knowledge of Fire Hydrant Operation Is Necessary in Order To

question 22

Multiple Choice

Knowledge of fire hydrant operation is necessary in order to:

• A) provide water to water treatment plants.
• B) provide water to community storage tanks.
• C) flow water to test hydrant pressure and capacity.
• D) flow water from hydrant discharge openings to flush sediment.

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Definitions:

LMC

Least Material Condition, a feature of size symbol that denotes the tolerance condition of a part when it contains the least amount of material within specified limits.

Feature of Size

Refers to any geometric characteristic of a part that includes a dimensional specification, such as diameter, length, or width.

Diameter

A straight line passing through the center of a circle or sphere and terminating at both circumferences, representing the widest distance across it.

Thickness

The dimension from one surface of an object to the opposite surface, measured perpendicular to the surfaces.