QUESTIONS COMPLETE WITH 100% VERIFIED ANSWERS AND
DETAILED RATIONALES
1. Draft is defined as the pressure difference between the inside and
the outside of the venting system.
A) True
B) False
Correct Answer: A) True
Draft is the force or pressure difference that drives the flow of
combustion gases through a venting system.
2. The ideal lift technique is to _____.
A) Lift with your back and keep your legs straight
B) Lift with your legs and keep your back straight
C) Lift with your arms and twist your torso
D) Lift with your legs and bend at the waist
Correct Answer: B) Lift with your legs and keep your back straight
Proper lifting technique protects the spine by using the stronger leg
muscles.
3. NFPA 211 recommends chimney flues should be inspected _____
and _____.
A) Monthly, upon a real estate transfer
B) Annually, upon a real estate transfer
C) Annually, after every use
,D) Biannually, upon a real estate transfer
Correct Answer: B) Annually, upon a real estate transfer
NFPA 211 sets the standard for annual inspections and upon property
transfer.
4. Two major factors that affect draft are _____ and _____.
A) Chimney height and wind speed
B) Temperature differential and chimney height
C) Flue gas volume and barometric pressure
D) Outside temperature and flue size
Correct Answer: B) Temperature differential and chimney height
The greater the temperature difference and the taller the chimney, the
stronger the draft.
5. Which of the following is NOT a factor of combustion efficiency?
A) Time
B) Wind speed
C) Turbulence
D) Temperature
Correct Answer: B) Wind speed
Combustion efficiency is affected by time, turbulence, and temperature,
not wind speed.
6. Rabies is NOT carried by _____.
A) Raccoons
B) Bats
C) Birds
D) Foxes
Correct Answer: C) Birds
,Birds are not carriers of rabies; rabies is a viral disease affecting
mammals.
7. Which species carries histoplasmosis?
A) Raccoons
B) Bats
C) Birds
D) Rodents
Correct Answer: C) Birds
Histoplasmosis is a fungal infection associated with bird and bat
droppings.
8. Which animal is known for roundworm?
A) Birds
B) Bats
C) Raccoons
D) Squirrels
Correct Answer: C) Raccoons
Raccoons are common carriers of roundworm (Baylisascaris procyonis).
9. Of the following, which is NOT a step of a sweep?
A) Inspecting
B) Turn all gas appliances to off position
C) Customer Review
D) Inside Preparation
Correct Answer: B) Turn all gas appliances to off position
Turning off gas appliances is not a standard step in the sweeping
process.
10. What is the proper class for a fire extinguisher that is used for
flammable liquids, grease, and oil?
, A) Class A
B) Class B
C) Class C
D) Class D
Correct Answer: B) Class B
Class B extinguishers are designed for flammable liquids, grease, and oil
fires.
11. The area of a fireplace chimney flue cannot be greater than twice
the area of the woodstove appliance outlet on an exterior chimney.
A) True
B) False
Correct Answer: A) True
This is a requirement to ensure proper venting and prevent drafting
issues.
12. Cleaning the smoke shelf is not always necessary, unless there is a
fireplace insert installed.
A) True
B) False
Correct Answer: B) False
The smoke shelf should always be cleaned as part of a thorough
chimney sweep.
13. A 24 gauge sheet metal panel with 1-inch airspace will reduce
clearance to combustibles by (when used as a wall protector) _____.
A) 33%
B) 50%
C) 66%
D) 75%