Kentucky Boiler Contractor License
Examination Actual Test Bank 2026/2027:
Ultimate Comprehensive Practice
Questions & Study Guide (ASME Sec I, IV,
IX, NBIC & KRS 236 Boiler Safety Rules
Code Book Edition)
SECTION 1: KENTUCKY LICENSING & REGULATIONS
1. Under Kentucky's boiler and pressure-vessel contractor licensing system, which
license has an unlimited scope of work?
A) Class A
B) Class B
C) Class C
D) Class D
Correct Answer: A
Rationale: 815 KAR 15:080 identifies Class A as having unlimited scope. Class B and C
have specifically defined limitations regarding the types of boilers and pressure vessels
that may be worked on. This is a foundational licensing distinction that appears frequently
on the exam.
,2. Which work is specifically within the scope of a Kentucky Class B boiler
contractor license?
A) All pressure vessels regardless of pressure
B) Low-pressure steam boilers and piping
C) Only cryogenic vessels
D) Only power boilers above 15 psi
Correct Answer: B
Rationale: Class B includes low-pressure steam boilers and piping, hot-water heating
boilers and piping, hot-water supply boilers, pool heaters, hot-water storage tanks, and
certain pressure vessels up to 200 psi. Class B does not authorize work on high-pressure
power boilers, which require Class A licensure.
3. A Kentucky Class C license primarily authorizes work involving:
A) Unlimited boilers
B) Power boilers
C) Specified pressure vessels
D) All steam piping
Correct Answer: C
Rationale: Class C is limited to pressure vessels, including specified cryogenic bulk tanks,
CO2 beverage tanks, certain compressed-air receivers up to 200 psi, associated piping, and
jacketed steam cooking kettles. This license does not authorize boiler installation or repair
work.
,4. What minimum examination score is required to pass a Kentucky Class A, B, or C
boiler contractor examination?
A) 60%
B) 65%
C) 70%
D) 75%
Correct Answer: C
Rationale: Kentucky regulation 815 KAR 15:080 establishes 70% as the passing score for
Class A, B, and C examinations. This threshold applies uniformly across all three contractor
license classifications.
5. A passing Kentucky boiler contractor examination score is currently valid for:
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Correct Answer: C
Rationale: The regulation specifies that a passing examination score remains valid for
three years. If an applicant does not obtain licensure within this period, the examination
must be retaken.
6. Which Kentucky statute is specifically associated with boilers and pressure
vessels?
A) KRS Chapter 118
, B) KRS Chapter 236
C) KRS Chapter 338
D) KRS Chapter 342
Correct Answer: B
Rationale: KRS Chapter 236 is the principal Kentucky statutory chapter governing boilers
and pressure vessels. This chapter establishes the Department of Housing, Buildings and
Construction's authority over boiler safety, contractor licensing, and inspection
requirements.
7. Which Kentucky administrative chapter is specifically included in the boiler
contractor examination?
A) 815 KAR Chapter 8
B) 815 KAR Chapter 10
C) 815 KAR Chapter 15
D) 815 KAR Chapter 35
Correct Answer: C
Rationale: Kentucky identifies 815 KAR Chapter 15 as examination material for boiler and
pressure-vessel contractor applicants. This chapter covers licensing requirements, new
installations, inspection criteria, and general boiler safety regulations.
8. Which inspection code is specifically included in the Kentucky boiler contractor
examination scope?
A) NEC
B) IMC
Examination Actual Test Bank 2026/2027:
Ultimate Comprehensive Practice
Questions & Study Guide (ASME Sec I, IV,
IX, NBIC & KRS 236 Boiler Safety Rules
Code Book Edition)
SECTION 1: KENTUCKY LICENSING & REGULATIONS
1. Under Kentucky's boiler and pressure-vessel contractor licensing system, which
license has an unlimited scope of work?
A) Class A
B) Class B
C) Class C
D) Class D
Correct Answer: A
Rationale: 815 KAR 15:080 identifies Class A as having unlimited scope. Class B and C
have specifically defined limitations regarding the types of boilers and pressure vessels
that may be worked on. This is a foundational licensing distinction that appears frequently
on the exam.
,2. Which work is specifically within the scope of a Kentucky Class B boiler
contractor license?
A) All pressure vessels regardless of pressure
B) Low-pressure steam boilers and piping
C) Only cryogenic vessels
D) Only power boilers above 15 psi
Correct Answer: B
Rationale: Class B includes low-pressure steam boilers and piping, hot-water heating
boilers and piping, hot-water supply boilers, pool heaters, hot-water storage tanks, and
certain pressure vessels up to 200 psi. Class B does not authorize work on high-pressure
power boilers, which require Class A licensure.
3. A Kentucky Class C license primarily authorizes work involving:
A) Unlimited boilers
B) Power boilers
C) Specified pressure vessels
D) All steam piping
Correct Answer: C
Rationale: Class C is limited to pressure vessels, including specified cryogenic bulk tanks,
CO2 beverage tanks, certain compressed-air receivers up to 200 psi, associated piping, and
jacketed steam cooking kettles. This license does not authorize boiler installation or repair
work.
,4. What minimum examination score is required to pass a Kentucky Class A, B, or C
boiler contractor examination?
A) 60%
B) 65%
C) 70%
D) 75%
Correct Answer: C
Rationale: Kentucky regulation 815 KAR 15:080 establishes 70% as the passing score for
Class A, B, and C examinations. This threshold applies uniformly across all three contractor
license classifications.
5. A passing Kentucky boiler contractor examination score is currently valid for:
A) 1 year
B) 2 years
C) 3 years
D) 5 years
Correct Answer: C
Rationale: The regulation specifies that a passing examination score remains valid for
three years. If an applicant does not obtain licensure within this period, the examination
must be retaken.
6. Which Kentucky statute is specifically associated with boilers and pressure
vessels?
A) KRS Chapter 118
, B) KRS Chapter 236
C) KRS Chapter 338
D) KRS Chapter 342
Correct Answer: B
Rationale: KRS Chapter 236 is the principal Kentucky statutory chapter governing boilers
and pressure vessels. This chapter establishes the Department of Housing, Buildings and
Construction's authority over boiler safety, contractor licensing, and inspection
requirements.
7. Which Kentucky administrative chapter is specifically included in the boiler
contractor examination?
A) 815 KAR Chapter 8
B) 815 KAR Chapter 10
C) 815 KAR Chapter 15
D) 815 KAR Chapter 35
Correct Answer: C
Rationale: Kentucky identifies 815 KAR Chapter 15 as examination material for boiler and
pressure-vessel contractor applicants. This chapter covers licensing requirements, new
installations, inspection criteria, and general boiler safety regulations.
8. Which inspection code is specifically included in the Kentucky boiler contractor
examination scope?
A) NEC
B) IMC
