NJ Black Seal Exam Preparation Version 3
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Section 1: License Classifications & NJ Regulations (Questions 1-15)
1. The Act (Law) that establishes the licensing requirements in New
Jersey for stationary power engineers, refrigeration engineers, and
boiler operators is:
A. N.J.S.A 34:1-1
B. N.J.S.A 34:7-1
C. N.J.S.A 34:14-1
D. N.J.S.A 34:20-1
Correct ,,,,Answer,,,,: B – N.J.S.A 34:7-1
Rationale: N.J.S.A 34:7-1 is the statutory authority for licensing
stationary engineers, refrigeration engineers, and boiler operators in
New Jersey .
2. What is the maximum penalty that may be imposed for
performing the duties of a licensed operator with an expired license?
A. $500
B. $1,000
C. $3,000
D. $5,000
,**Correct ,,,,Answer,,,,: D – $5,000**
**Rationale:** Any person found performing duties of a license while
holding an expired license shall be subject to a minimum penalty of
$500 up to a maximum of $5,000 per day .
3. According to N.J.A.C. 12:90, what is the minimum experience
required to be eligible for the boiler operator's Black Seal license
examination?
A. 1 month
B. 3 months
C. 6 months
D. 12 months
Correct ,,,,Answer,,,,: B – 3 months
Rationale: N.J.A.C. 12:90-8.4 requires that applicants have at least
three months of experience as a helper, apprentice, or assistant to a
licensed operator of equipment requiring such license .
4. What is the range of capacity that a High-Pressure Boiler
Operator can be the Chief Engineer and work as Shift Engineer
(stand watch) based on the 12:90 Boiler, Pressure Vessel and
Refrigeration rules?
A. Up to 100 HP
B. 100 HP up to 500 HP
C. 500 HP up to 1,000 HP
D. Over 1,000 HP
Correct ,,,,Answer,,,,: B – 100 HP up to 500 HP
Rationale: A High-Pressure Boiler Operator can act as Chief Engineer
and stand watch for a plant with a minimum capacity of 100 HP and up
to 500 HP .
,5. Low-pressure steam boilers in New Jersey are defined as
operating at a maximum of:
A. 5 psi
B. 15 psi
C. 30 psi
D. 100 psi
Correct ,,,,Answer,,,,: B – 15 psi
Rationale: Per N.J.A.C. 12:90, low-pressure steam boilers are defined
as those not exceeding 15 psi steam pressure. Hot water low-pressure
boilers are defined as not exceeding 160 psi and/or 250°F .
6. The "Black Seal" boiler operator's license in New Jersey
authorizes the holder to:
A. Operate any high-pressure plant regardless of size
B. Operate low-pressure steam and hot-water boilers under state limits
C. Design pressure vessels
D. Inspect boilers for code compliance
Correct ,,,,Answer,,,,: B – Operate low-pressure steam and hot-
water boilers under state limits
Rationale: The Black Seal is the entry-level state license allowing low-
pressure boiler operation; high-pressure plants require a Blue Seal .
7. How often must steam or hot water boilers be inspected in New
Jersey?
A. Every 3 months
B. Once every year at 12-month intervals from previous inspection
C. Every 2 years
D. Every 5 years
Correct ,,,,Answer,,,,: B – Once every year at 12-month intervals
from previous inspection
, Rationale: According to NJ boiler law, all steam or hot water boilers
shall be inspected at least once every year at 12-month intervals from the
previous inspection .
8. When a license is improperly posted or not posted, what is the
amount of penalty or fine that may be imposed on the engineer by
the state?
A. $100
B. $250
C. $500
D. $1,000
**Correct ,,,,Answer,,,,: C – $500**
**Rationale:** A fine of $500 may be imposed when a license is
improperly or not posted .
9. The regulation corresponding to boilers, pressure vessels, and
refrigeration systems in New Jersey is:
A. N.J.S.A 34:7-1
B. N.J.A.C. 12:90
C. ASME Section IV
D. ASME Section I
Correct ,,,,Answer,,,,: B – N.J.A.C. 12:90
Rationale: New Jersey Administrative Code (NJAC) 12:90 is the
regulation governing boilers, pressure vessels, and refrigeration
systems .
10. If a license is expired, how long can it be expired before it
becomes null and void?
A. 1 year
B. 2 years
Newest With Complete Questions And
Correct Detailed Answers| Brand New
Version!
Section 1: License Classifications & NJ Regulations (Questions 1-15)
1. The Act (Law) that establishes the licensing requirements in New
Jersey for stationary power engineers, refrigeration engineers, and
boiler operators is:
A. N.J.S.A 34:1-1
B. N.J.S.A 34:7-1
C. N.J.S.A 34:14-1
D. N.J.S.A 34:20-1
Correct ,,,,Answer,,,,: B – N.J.S.A 34:7-1
Rationale: N.J.S.A 34:7-1 is the statutory authority for licensing
stationary engineers, refrigeration engineers, and boiler operators in
New Jersey .
2. What is the maximum penalty that may be imposed for
performing the duties of a licensed operator with an expired license?
A. $500
B. $1,000
C. $3,000
D. $5,000
,**Correct ,,,,Answer,,,,: D – $5,000**
**Rationale:** Any person found performing duties of a license while
holding an expired license shall be subject to a minimum penalty of
$500 up to a maximum of $5,000 per day .
3. According to N.J.A.C. 12:90, what is the minimum experience
required to be eligible for the boiler operator's Black Seal license
examination?
A. 1 month
B. 3 months
C. 6 months
D. 12 months
Correct ,,,,Answer,,,,: B – 3 months
Rationale: N.J.A.C. 12:90-8.4 requires that applicants have at least
three months of experience as a helper, apprentice, or assistant to a
licensed operator of equipment requiring such license .
4. What is the range of capacity that a High-Pressure Boiler
Operator can be the Chief Engineer and work as Shift Engineer
(stand watch) based on the 12:90 Boiler, Pressure Vessel and
Refrigeration rules?
A. Up to 100 HP
B. 100 HP up to 500 HP
C. 500 HP up to 1,000 HP
D. Over 1,000 HP
Correct ,,,,Answer,,,,: B – 100 HP up to 500 HP
Rationale: A High-Pressure Boiler Operator can act as Chief Engineer
and stand watch for a plant with a minimum capacity of 100 HP and up
to 500 HP .
,5. Low-pressure steam boilers in New Jersey are defined as
operating at a maximum of:
A. 5 psi
B. 15 psi
C. 30 psi
D. 100 psi
Correct ,,,,Answer,,,,: B – 15 psi
Rationale: Per N.J.A.C. 12:90, low-pressure steam boilers are defined
as those not exceeding 15 psi steam pressure. Hot water low-pressure
boilers are defined as not exceeding 160 psi and/or 250°F .
6. The "Black Seal" boiler operator's license in New Jersey
authorizes the holder to:
A. Operate any high-pressure plant regardless of size
B. Operate low-pressure steam and hot-water boilers under state limits
C. Design pressure vessels
D. Inspect boilers for code compliance
Correct ,,,,Answer,,,,: B – Operate low-pressure steam and hot-
water boilers under state limits
Rationale: The Black Seal is the entry-level state license allowing low-
pressure boiler operation; high-pressure plants require a Blue Seal .
7. How often must steam or hot water boilers be inspected in New
Jersey?
A. Every 3 months
B. Once every year at 12-month intervals from previous inspection
C. Every 2 years
D. Every 5 years
Correct ,,,,Answer,,,,: B – Once every year at 12-month intervals
from previous inspection
, Rationale: According to NJ boiler law, all steam or hot water boilers
shall be inspected at least once every year at 12-month intervals from the
previous inspection .
8. When a license is improperly posted or not posted, what is the
amount of penalty or fine that may be imposed on the engineer by
the state?
A. $100
B. $250
C. $500
D. $1,000
**Correct ,,,,Answer,,,,: C – $500**
**Rationale:** A fine of $500 may be imposed when a license is
improperly or not posted .
9. The regulation corresponding to boilers, pressure vessels, and
refrigeration systems in New Jersey is:
A. N.J.S.A 34:7-1
B. N.J.A.C. 12:90
C. ASME Section IV
D. ASME Section I
Correct ,,,,Answer,,,,: B – N.J.A.C. 12:90
Rationale: New Jersey Administrative Code (NJAC) 12:90 is the
regulation governing boilers, pressure vessels, and refrigeration
systems .
10. If a license is expired, how long can it be expired before it
becomes null and void?
A. 1 year
B. 2 years
