Minnesota Boiler Engineer (Class C)
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1. Under Minnesota law, which classification most accurately describes
a Second-Class Engineer, Grade C license?
A. Authority to operate all classes of high-pressure boilers without
horsepower limitation
B. Authority to operate all classes of boilers up to 500 horsepower
C. Authority to operate all classes of low-pressure boilers up to 100
horsepower, or serve as shift engineer in a low-pressure plant up to 500
horsepower
D. Authority to operate only boilers of 50 horsepower or less
A Second-Class Engineer, Grade C is specifically limited to low-pressure
boilers of not more than 100 horsepower when taking charge of a boiler,
while the license also permits service as a shift engineer in a low-
pressure plant of not more than 500 horsepower.
2. What minimum age must an applicant generally meet to obtain a
Minnesota Second-Class Engineer, Grade C license?
,A. 16 years
B. 17 years
C. 18 years
D. 21 years
Minnesota law requires an applicant for a Second-Class Engineer, Grade
C license to be at least 18 years of age.
3. What experience is generally required before receiving a Minnesota
Second-Class Engineer, Grade C license?
A. Six months of boiler experience
B. One year of actual experience operating boilers
C. Two years of experience operating high-pressure boilers
D. Five years of experience operating low-pressure boilers
The statutory qualification for Second-Class Engineer, Grade C generally
requires at least one year of actual boiler-operating experience, subject
to specified statutory exceptions.
4. Minnesota classifies a boiler as a low-pressure boiler when a steam
or other vapor boiler operates at what pressure or below?
A. 5 psig
B. 10 psig
C. 15 psig
D. 25 psig
Minnesota defines a low-pressure steam or vapor boiler as one
operating at 15 psig or less.
, 5. For a water or other liquid boiler, which condition places the boiler
within Minnesota's low-pressure definition?
A. Pressure exceeding 160 psig and temperature below 250°F
B. Pressure exceeding 200 psig regardless of temperature
C. Pressure not exceeding 160 psig or temperature not exceeding 250°F,
according to the applicable statutory definition
D. Temperature exceeding 300°F only
Minnesota's statutory distinction considers both pressure and
temperature for water or other liquid boilers, with the low-pressure
category defined around the 160-psig and 250°F thresholds.
6. What is the principal purpose of the Minnesota boiler engineer
examination?
A. To determine an applicant's mechanical aptitude only
B. To test general construction mathematics only
C. To establish the applicant's competency to operate a boiler of the
applicable license class and grade
D. To determine eligibility for a plumbing license
The examination is intended to establish competency to safely operate
boilers within the scope of the particular license classification.
7. Which Minnesota agency administers boiler engineer licensing and
examinations?
A. Minnesota Department of Transportation
B. Minnesota Department of Agriculture
, C. Minnesota Department of Labor and Industry
D. Minnesota Department of Commerce exclusively
Minnesota's Department of Labor and Industry administers boiler
engineer licensing and the associated examinations.
8. Before being approved to take a Minnesota boiler engineer
examination, what operating-experience documentation is generally
required?
A. A criminal background affidavit only
B. A plumbing apprenticeship certificate
C. An affidavit of operating experience
D. A manufacturer's equipment warranty
Applicants generally submit an affidavit documenting qualifying boiler-
operating experience as part of the examination approval process.
9. What is the stated time limit for Minnesota boiler engineer
examinations?
A. 60 minutes
B. 90 minutes
C. 2 hours
D. 2.5 hours
Minnesota Department of Labor and Industry information states that
boiler examinations have a 2.5-hour time limit.
10. A licensed Second-Class Engineer, Grade C is primarily
associated with which type of boiler?
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationale 2027 Q&A| Instant
Download Pdf.
1. Under Minnesota law, which classification most accurately describes
a Second-Class Engineer, Grade C license?
A. Authority to operate all classes of high-pressure boilers without
horsepower limitation
B. Authority to operate all classes of boilers up to 500 horsepower
C. Authority to operate all classes of low-pressure boilers up to 100
horsepower, or serve as shift engineer in a low-pressure plant up to 500
horsepower
D. Authority to operate only boilers of 50 horsepower or less
A Second-Class Engineer, Grade C is specifically limited to low-pressure
boilers of not more than 100 horsepower when taking charge of a boiler,
while the license also permits service as a shift engineer in a low-
pressure plant of not more than 500 horsepower.
2. What minimum age must an applicant generally meet to obtain a
Minnesota Second-Class Engineer, Grade C license?
,A. 16 years
B. 17 years
C. 18 years
D. 21 years
Minnesota law requires an applicant for a Second-Class Engineer, Grade
C license to be at least 18 years of age.
3. What experience is generally required before receiving a Minnesota
Second-Class Engineer, Grade C license?
A. Six months of boiler experience
B. One year of actual experience operating boilers
C. Two years of experience operating high-pressure boilers
D. Five years of experience operating low-pressure boilers
The statutory qualification for Second-Class Engineer, Grade C generally
requires at least one year of actual boiler-operating experience, subject
to specified statutory exceptions.
4. Minnesota classifies a boiler as a low-pressure boiler when a steam
or other vapor boiler operates at what pressure or below?
A. 5 psig
B. 10 psig
C. 15 psig
D. 25 psig
Minnesota defines a low-pressure steam or vapor boiler as one
operating at 15 psig or less.
, 5. For a water or other liquid boiler, which condition places the boiler
within Minnesota's low-pressure definition?
A. Pressure exceeding 160 psig and temperature below 250°F
B. Pressure exceeding 200 psig regardless of temperature
C. Pressure not exceeding 160 psig or temperature not exceeding 250°F,
according to the applicable statutory definition
D. Temperature exceeding 300°F only
Minnesota's statutory distinction considers both pressure and
temperature for water or other liquid boilers, with the low-pressure
category defined around the 160-psig and 250°F thresholds.
6. What is the principal purpose of the Minnesota boiler engineer
examination?
A. To determine an applicant's mechanical aptitude only
B. To test general construction mathematics only
C. To establish the applicant's competency to operate a boiler of the
applicable license class and grade
D. To determine eligibility for a plumbing license
The examination is intended to establish competency to safely operate
boilers within the scope of the particular license classification.
7. Which Minnesota agency administers boiler engineer licensing and
examinations?
A. Minnesota Department of Transportation
B. Minnesota Department of Agriculture
, C. Minnesota Department of Labor and Industry
D. Minnesota Department of Commerce exclusively
Minnesota's Department of Labor and Industry administers boiler
engineer licensing and the associated examinations.
8. Before being approved to take a Minnesota boiler engineer
examination, what operating-experience documentation is generally
required?
A. A criminal background affidavit only
B. A plumbing apprenticeship certificate
C. An affidavit of operating experience
D. A manufacturer's equipment warranty
Applicants generally submit an affidavit documenting qualifying boiler-
operating experience as part of the examination approval process.
9. What is the stated time limit for Minnesota boiler engineer
examinations?
A. 60 minutes
B. 90 minutes
C. 2 hours
D. 2.5 hours
Minnesota Department of Labor and Industry information states that
boiler examinations have a 2.5-hour time limit.
10. A licensed Second-Class Engineer, Grade C is primarily
associated with which type of boiler?
