The Grinding and Shaping of Rock Surfaces by the ʺSandblastingʺ

question 58

Multiple Choice

The grinding and shaping of rock surfaces by the ʺsandblastingʺ action of particles carried by wind is

• A)saltation.
• B)deflation.
• C)deposition.
• D)abrasion.

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Definitions:

Normally Closed

A term used to describe a switch or circuit condition where the default state is closed, allowing current to flow unless actuated to open.

Normally Closed

Refers to an electrical switch or relay configuration where the contacts are in a closed position, allowing current flow, when no actuating force is applied.

Inhibit

To prevent or restrict a particular action or operation, often used in the context of control systems.

Enable

To make something operational or to grant the authority or means to do something.