Functional Distance Refers to

question 22

Multiple Choice

Functional distance refers to

• A)the natural geographic route between two locations.
• B)the distance between residences "as the crow flies."
• C)how often people's paths cross.
• D)the direction and route of travel one undertakes when deliberately seeking out a given person.

---

Definitions:

Viscosity Oil

A measure of a lubricant's resistance to flow at certain temperatures, indicating its thickness and suitability for specific engine types.

Mechanical Fan

A device driven directly by the engine's power, used to blow air through the radiator to cool the engine coolant.

Belt-Driven Fan

A fan driven by a belt connected to the engine, primarily used to cool the engine by forcing air over the radiator.

Electric Fan

A fan powered by electricity, used in various applications including cooling systems in vehicles, computers, and as a household appliance for air circulation.