The Altitudinal Difference (Relief) Between the Top of the Tallest

question 137

Multiple Choice

The altitudinal difference (relief) between the top of the tallest mountain and the bottom of the deepest ocean trench is ________ kilometers.

• A) 20
• B) 200
• C) 2,000
• D) 20,000
• E) 200,000

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Definitions:

Sensing Range

The distance within which a sensor can detect the presence of an object or a signal.

NC Pushbutton

A Normally Closed pushbutton switch that makes contact (closes) when at rest and breaks the circuit when pressed.

Ladder Logic

A programming language that represents electronic switching circuits; widely used in programming PLCs.

Control Process

A method or procedure in automation or management used to direct, monitor, and regulate the behavior and operations of a system to achieve desired results.