Fireplaces & fuel-burning appliances practice questions
10 original sample questions on fireplaces & fuel-burning appliances. Pick an answer, then open the explanation. Review the fireplaces & fuel-burning appliances study notes first if you like.
1. A chimney cap mainly keeps out:
- Smoke rising from the flue
- Rain, animals and debris
- Draft air needed for the fire
- Sunlight on the smoke shelf
Show answer & explanation
Answer: B. Rain, animals and debris
Caps protect the flue opening.
2. A Level 2 chimney inspection is typically recommended:
- Only when a chimney is new
- When a home is sold or changes occur
- Never for wood fireplaces
- After every single fire
Show answer & explanation
Answer: B. When a home is sold or changes occur
Industry practice recommends it at transfer.
3. A Category IV appliance (e.g., condensing furnace) typically vents with:
- Single-wall pipe into a draft hood
- A masonry chimney without liner
- An open vent pipe ending inside the attic space
- Positive pressure through sealed piping
Show answer & explanation
Answer: D. Positive pressure through sealed piping
Condensing appliances use sealed, positive-pressure, corrosion-resistant venting.
4. A chimney cap with a screen clogged by creosote can:
- Add heat
- Stop soot
- Block draft
- Improve draft
Show answer & explanation
Answer: C. Block draft
Clogged screens restrict flow.
5. A brick chimney on an exterior wall has a wide gap between it and the house siding at the top. This suggests:
- Normal shrinkage of mortar in the first year
- The chimney may be pulling away; evaluate
- Proper design to allow the chimney to breathe
- Better draft because air enters at the gap
Show answer & explanation
Answer: B. The chimney may be pulling away; evaluate
Separation indicates movement.
6. A chimney cleanout door at the base that is missing or open may allow:
- Lower moisture in the flue
- Improved creosote removal
- Greater draft efficiency
- Combustion gases or sparks to escape
Show answer & explanation
Answer: D. Combustion gases or sparks to escape
Cleanout doors should be closed and tight.
7. A chimney chase cover rusting on a prefab fireplace can:
- Last for the life of the home
- Improve the draft
- Leak water into the chase
- Seal better
Show answer & explanation
Answer: C. Leak water into the chase
Rusted covers leak.
8. A chimney flue is visibly offset with no liner and has cracked mortar joints inside. The best report statement is:
- Recommend a fire to test the draft before closing
- The flue is fine because offsets slow sparks before they exit the top
- Unlined offset flue with deterioration; chimney professional
- Offset flues never need liners in any home
Show answer & explanation
Answer: C. Unlined offset flue with deterioration; chimney professional
Refer for liner and repair evaluation.
9. A chimney crown is different from a chimney wash in that it:
- Is a formed cap over the masonry
- Is a coating applied to bricks
- Is a metal spark screen
- Is the clay liner extending at the top
Show answer & explanation
Answer: A. Is a formed cap over the masonry
Crowns should be properly formed and overhang to shed water.
10. A chimney serving a furnace and a fireplace shares a single flue. The concern is:
- Better draft from the combined flue heat
- Reduced creosote buildup
- Unsafe venting of multiple appliances
- Common and approved practice
Show answer & explanation
Answer: C. Unsafe venting of multiple appliances
Solid-fuel appliances need dedicated flues.
Original practice items for study only, not actual exam questions. Content may contain errors.