NYC DOB HIGH PRESSURE BOILER OPERATING ENGINEER LICENSE EXAM 2026/2027 COMPLETE (150) CURRENT TESTING QUESTIONS AND CORRECT ANSWERS WITH DETAILED RATIONALES

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NYC DOB HIGH PRESSURE BOILER OPERATING
ENGINEER LICENSE EXAM 2026/2027 COMPLETE (150)
CURRENT TESTING QUESTIONS AND CORRECT
ANSWERS WITH DETAILED RATIONALES.
BOILER
Prepare effectively for the NYC DOB High Pressure Boiler Operating Engineer License
Exam with this focused practice resource. It supports review of high-pressure boiler
systems, operation and maintenance, steam and combustion principles, safety
procedures, inspections, and applicable regulations. Use the material to reinforce
your technical knowledge, practice key concepts, and identify areas that may require
additional study. This resource is suited for boiler operators, stationary engineers,
mechanical professionals, and candidates preparing for the NYC DOB High Pressure
Boiler Operating Engineer licensing examination.



MULTIPLE CHOICE.
SECTION 1: LICENSING REQUIREMENTS & REGULATIONS (Questions 1–20)
1. In New York City, which agency issues the High Pressure Boiler
Operating Engineer license?
(A) New York State Department of Labor
(B) NYC Fire Department (FDNY)
(C) NYC Department of Buildings (DOB)
(D) New York State Department of State
Answer: (C) NYC Department of Buildings (DOB)
Rationale: The NYC Department of Buildings (DOB) issues the High Pressure
Boiler Operating Engineer license for boiler operators working within New York
City. Outside NYC, the Department of State regulates boiler inspections.

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2. What is the minimum age requirement for a High Pressure Boiler
Operating Engineer license in NYC?
(A) 16 years old
(B) 18 years old
(C) 21 years old
(D) 25 years old
Answer: (B) 18 years old
Rationale: Applicants must be at least eighteen (18) years old.


3. What is the minimum experience requirement for a High Pressure Boiler
Operating Engineer license?
(A) 2 years of experience under a licensed engineer
(B) 5 years of experience under a licensed engineer
(C) 3 years of experience with a BS in Mechanical Engineering
(D) Both B and C are acceptable
Answer: (D) Both B and C are acceptable
Rationale: To get the license, you must have at least 5 years of experience
working directly under a licensed high pressure boiler engineer, or 3 years of
experience if you have a Bachelor of Science degree in mechanical
engineering.


4. How long is a High Pressure Boiler Operating Engineer license valid?
(A) 1 year
(B) 2 years
(C) 3 years
(D) 5 years

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Answer: (C) 3 years
Rationale: The High Pressure Boiler Operating Engineer license term is 3
years.


5. What is the renewal fee for a High Pressure Boiler Operating Engineer
license?
(A) $25.00
(B) $45.00
(C) $50.00
(D) $75.00
Answer: (B) $45.00
Rationale: The renewal fee for the High Pressure Boiler Operating Engineer
license is $45.00.


6. What is the fee for the written exam application (LIC41)?
(A) $250
(B) $395
(C) $530
(D) $585
Answer: (D) $585
Rationale: The LIC41 Written Exam Application fee is $585.


7. What is the fee for the practical exam application (LIC42)?
(A) $250
(B) $395

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(C) $530
(D) $585
Answer: (C) $530
Rationale: The LIC42 Practical Exam Application fee is $530.


8. How many questions are on the High Pressure Boiler Operating
Engineer written exam?
(A) 50
(B) 75
(C) 100
(D) 110
Answer: (D) 110
Rationale: The High Pressure Boiler Operating Engineer written exam consists
of 110 questions.


9. What is the time allotted for the written exam?
(A) 2 hours
(B) 3 hours
(C) 4 hours
(D) 5 hours
Answer: (C) 4 hours
Rationale: The High Pressure Boiler Operating Engineer written exam is 4
hours in duration.


10. What is the passing score for the High Pressure Boiler Operating
Engineer exam?