The Apparent Weight of a Fish in an Elevator Is

question 99

Multiple Choice

The apparent weight of a fish in an elevator is greatest when the elevator

• A) moves downward at constant velocity.
• B) moves upward at constant velocity.
• C) accelerates downward.
• D) accelerates upward.
• E) is not moving.

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Definitions:

Set Point

The desired or target value for a process variable in a control system.

Error Signal

A feedback signal indicating the difference between a desired setpoint and the actual output, used to correct system performance.

Proportional Gain

Proportional Gain is a parameter in PID control that determines the relationship between the magnitude of the error signal and the magnitude of the control variable.