Which step is NOT part of stopping the engine?

Which step is NOT part of stopping the engine?

• A. Turn the engine cut-off switch to OFF.
• B. Turn the ignition OFF.
• C. Turn the fuel valve OFF.
• D. Leave the lights on.

Answer: (D)

Stopping the engine is accomplished by cutting off the power and the fuel supply so the engine can no longer run. The engine cut-off switch to OFF removes the ignition source, the ignition switch OFF kills the electrical system that powers the spark, and closing the fuel valve OFF stops fuel from reaching the engine. These steps directly halt combustion and shut things down. Leaving the lights on doesn’t affect the engine at all; it simply drains the battery and isn’t part of stopping the engine. So the step that isn’t part of stopping the engine is leaving the lights on.

Stopping the engine is accomplished by cutting off the power and the fuel supply so the engine can no longer run. The engine cut-off switch to OFF removes the ignition source, the ignition switch OFF kills the electrical system that powers the spark, and closing the fuel valve OFF stops fuel from reaching the engine. These steps directly halt combustion and shut things down.

Leaving the lights on doesn’t affect the engine at all; it simply drains the battery and isn’t part of stopping the engine. So the step that isn’t part of stopping the engine is leaving the lights on.