KENTUCKY BOILER CONTRACTOR EXAM STUDY GUIDE:
200 PRACTICE QUESTIONS WITH DETAILED
EXPLANATIONS | INSTANT PDF DOWNLOAD.
CORE DOMAINS
Kentucky Licensing and Regulatory Framework
Boiler and Pressure Vessel Classifications
ASME Boiler and Pressure Vessel Code
National Board Inspection Code (NBIC)
NFPA Codes and Standards
Boiler Construction and Design
Safety Devices and Controls
Inspection, Testing, and Maintenance
Combustion, Fuels, and Draft Systems
Water Treatment and Chemistry
Welding, Repairs, and Alterations
Kentucky Revised Statutes (KRS) Chapter 236
815 KAR Chapter 15 Administrative Regulations
INTRODUCTION
This study guide is designed to prepare candidates for the
Kentucky Boiler Contractor licensing examination. It measures
knowledge of Kentucky statutes and administrative
regulations, ASME Boiler and Pressure Vessel Code
requirements, National Board Inspection Code provisions,
NFPA standards, boiler construction principles, safety devices,
,inspection procedures, combustion systems, water treatment,
and welding and repair requirements. The examination uses
multiple-choice questions that emphasize real-world
application, regulatory compliance, and critical decision-
making. Candidates must demonstrate a thorough
understanding of safe boiler installation, repair, alteration,
and maintenance practices. The structure supports
comprehensive review and readiness for the Kentucky Boiler
Contractor examination.
SECTION ONE: QUESTIONS 1–100
Question 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: Kentucky regulation 815 KAR 15:080
identifies Class A as having an unlimited scope of work. Class
B and Class C licenses have specifically defined limitations
regarding the types and pressures of boilers and pressure
vessels that may be worked on.
Question 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 that do not contain
steam or anhydrous ammonia.
Question 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 only,
including specified cryogenic bulk tanks, CO2 beverage tanks,
certain compressed-air receivers, associated piping, and
jacketed steam cooking kettles.
Question 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%
200 PRACTICE QUESTIONS WITH DETAILED
EXPLANATIONS | INSTANT PDF DOWNLOAD.
CORE DOMAINS
Kentucky Licensing and Regulatory Framework
Boiler and Pressure Vessel Classifications
ASME Boiler and Pressure Vessel Code
National Board Inspection Code (NBIC)
NFPA Codes and Standards
Boiler Construction and Design
Safety Devices and Controls
Inspection, Testing, and Maintenance
Combustion, Fuels, and Draft Systems
Water Treatment and Chemistry
Welding, Repairs, and Alterations
Kentucky Revised Statutes (KRS) Chapter 236
815 KAR Chapter 15 Administrative Regulations
INTRODUCTION
This study guide is designed to prepare candidates for the
Kentucky Boiler Contractor licensing examination. It measures
knowledge of Kentucky statutes and administrative
regulations, ASME Boiler and Pressure Vessel Code
requirements, National Board Inspection Code provisions,
NFPA standards, boiler construction principles, safety devices,
,inspection procedures, combustion systems, water treatment,
and welding and repair requirements. The examination uses
multiple-choice questions that emphasize real-world
application, regulatory compliance, and critical decision-
making. Candidates must demonstrate a thorough
understanding of safe boiler installation, repair, alteration,
and maintenance practices. The structure supports
comprehensive review and readiness for the Kentucky Boiler
Contractor examination.
SECTION ONE: QUESTIONS 1–100
Question 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: Kentucky regulation 815 KAR 15:080
identifies Class A as having an unlimited scope of work. Class
B and Class C licenses have specifically defined limitations
regarding the types and pressures of boilers and pressure
vessels that may be worked on.
Question 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 that do not contain
steam or anhydrous ammonia.
Question 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 only,
including specified cryogenic bulk tanks, CO2 beverage tanks,
certain compressed-air receivers, associated piping, and
jacketed steam cooking kettles.
Question 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%
