When the Foundation Includes an Ash Pit, a ____ Door

question 9

Multiple Choice

When the foundation includes an ash pit, a ____ door is installed near the bottom of the ash pit.

• A) dump
• B) firebox
• C) cleanout
• D) retaining

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Definitions:

Composition Carbon

Likely refers to carbon composition resistors, electronic components made from carbon dust or graphite paste, used for their stable electrical resistance.

Variable Resistor

An electronic component that can adjust the flow of electrical current through it by changing its resistance.

Potentiometer

A variable resistor with a sliding contact that is used as a voltage divider.

Composition Carbon

A resistor type made from compressed carbon or graphite mixture, known for its stability and reliability in a range of electrical applications.