Red Seal Plumbing Practice Exam

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Which garbage grinder has an internal switch that is activated when the sink stopper combination actuator is put in place?

Continuous feed
Batch feed
Direct feed
Manual feed

The correct answer is: Batch feed

Continuous feed garbage grinders do not have a built-in switch. They will continuously run while debris is fed into the unit. Manual feed garbage grinders require you to flip a switch to turn it on and off. Direct feed garbage grinders do not have a lid to cover the grinding chamber. Batch feed garbage grinders are specifically designed to work with a sink stopper combination actuator, as it must be placed in the sink in order to activate the unit's switch. Therefore, the batch feed garbage grinder is the only option that fits the given description.