New York City (NYC) Oil Burner Equipment Installer
Class B Written Examination | Latest Verified Questions
and Detailed Answers
OVERVIEW DESCRIPTION
This Comprehensive set of multiple choice questions is designed for the NYC Oil
Burner Equipment Installer Class B written exam. The exam assesses a candidate's
knowledge of the NYC Administrative Code, Building Code, and Fire Code as they
pertain to the installation, maintenance, and safety of oil-burning equipment. Content
areas covered include fuel oil storage tank and piping systems, burner operation and
controls, combustion air and venting requirements, safety regulations and protocols
from NFPA, OSHA, and the FDNY, as well as environmental compliance for spill
prevention and air contaminant abatement. The examination is administered by the
NYC Department of Buildings.
QUESTION 1
Which NYC code primarily governs the installation of oil-burning equipment?
A) NYC Building Code Title 28
B) NYC Plumbing Code
C) NYC Electrical Code
D) NYC Zoning Resolution
CORRECT ANSWER: A
EXPERT RATIONALE: NYC Administrative Code Title 28 (Building Code) and the NYC Fire
Code contain the main provisions for oil-burning equipment installation.
QUESTION 2
An aboveground fuel oil tank installed inside a building and not in a dedicated 2-hour
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enclosure is limited to a maximum individual capacity of:
A) 330 gallons
B) 660 gallons
C) 1,100 gallons
D) 1,320 gallons
CORRECT ANSWER: B
EXPERT RATIONALE: Per NYC Fire Code, an indoor aboveground tank for Class II/IIIA
liquids is limited to 660 gallons per tank unless housed in an approved 2-hour
enclosure.
QUESTION 3
The aggregate maximum allowable capacity of all aboveground fuel oil tanks inside a
building without a special enclosure is:
A) 660 gallons
B) 1,000 gallons
C) 1,320 gallons
D) 2,500 gallons
CORRECT ANSWER: C
EXPERT RATIONALE: NYC Fire Code permits up to 1,320 gallons total aggregate capacity
indoors without a rated enclosure, with no single tank exceeding 660 gallons.
QUESTION 4
What is the minimum gauge thickness for steel piping used in a fuel oil supply line to a
burner?
A) Schedule 20
B) Schedule 40
C) Schedule 80
D) Type M
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CORRECT ANSWER: B
EXPERT RATIONALE: NFPA 31 and NYC code require at least Schedule 40 steel pipe for
oil lines to withstand pressure and mechanical damage.
QUESTION 5
Which material is prohibited for underground fuel oil tank piping?
A) Schedule 40 steel
B) Copper tubing type K
C) Copper tubing type L
D) Nonmetallic rigid pipe listed for fuel use
CORRECT ANSWER: C
EXPERT RATIONALE: Underground oil piping must be Schedule 40 steel, Type K copper,
or listed nonmetallic; Type L copper is not permitted underground due to corrosion
concerns.
QUESTION 6
A fusible-link shutoff valve installed in the oil supply line must be located:
A) At the burner inlet only
B) At the tank outlet only
C) At both the tank outlet and the burner inlet
D) On the return line only
CORRECT ANSWER: C
EXPERT RATIONALE: To provide fire protection, a fusible-link valve (often called a fire-o-
matic valve) is required at the tank outlet and at the burner, as per NFPA 31.
QUESTION 7
When installing an oil burner, the minimum clearance from a single-wall vent connector
to combustible material is:
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A) 6 inches
B) 9 inches
C) 12 inches
D) 18 inches
CORRECT ANSWER: D
EXPERT RATIONALE: Single-wall vent connectors must have at least 18 inches clearance
to combustibles per NFPA 31 and NYC Building Code to prevent ignition.
QUESTION 8
What is the minimum over-fire draft typically required for a properly operating
residential-type oil burner firing No. 2 fuel oil?
A) -0.01 in. w.c.
B) -0.02 in. w.c.
C) -0.05 in. w.c.
D) -0.10 in. w.c.
CORRECT ANSWER: B
EXPERT RATIONALE: A draft of approximately -0.02 inches water column over the fire
ensures proper combustion and heat transfer in conventional oil burners.
QUESTION 9
A cad cell flame detector operates by sensing:
A) Temperature of the flame
B) Ionization current in the flame
C) Visible light emitted by the flame
D) Ultraviolet radiation
CORRECT ANSWER: C
EXPERT RATIONALE: Cadmium sulfide cells change resistance when exposed to visible
light, allowing the primary control to verify flame presence.