Name: 
 

Chapter 21



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

The International Residential Code requires the minimum thickness of the fireplace hearth to be ____ inches.
a.
4
c.
8
b.
6
d.
10
 

 2. 

____ supports the brickwork for the front smoke chamber wall above the damper.
a.
A mortar wash
c.
Firebrick
b.
A steel lintel
d.
Concrete slab
 

 3. 

A(n) ____ fireplace has a shallow, widely-flared firebox.
a.
Rumsford
c.
multi-face
b.
air-circulating
d.
Rosin
 

 4. 

The ____ serves as the floor of the combustion chamber.
a.
outer hearth
c.
inner hearth
b.
ash pit
d.
smoke shelf
 

 5. 

The concrete footing supporting a fireplace should be a minimum of ____ inches thick.
a.
8
c.
12
b.
10
d.
16
 

 6. 

A(n) ____ is a measure of the passage of air from the firebox to the smoke chamber.
a.
air intake
c.
fireblock
b.
damper
d.
draft
 



 
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