During hours when there is no operator on duty, the Skyway Express will be in which state?

• A. Running normally
• B. In manual mode
• C. Deenergized
• D. Not specified

Answer: (C)

When there’s no operator on duty, safety practice is to place the Skyway Express in a deenergized state. Deenergized means the system has no electrical power, so any movement is prevented and neither automatic nor manual operation can occur until power is restored and proper safety checks are completed. This limits the risk of unexpected starts or movement during unattended hours, protecting people and equipment.

Running normally would require automatic operation with an operator present, which isn’t possible without someone on duty. Manual mode would require an operator to actively control the system, which also isn’t available. Not specified isn’t the defined state in this context, as the standard safety approach is to deenergize when unstaffed.