, STUVIA EXAM LIBRARY
EXAMINATION DOCUMENT 2026/2027
Maine Master Plumber Exam - Fixtures,
Appliances, Fuel Gas Piping & Safety
ME-MP Exam 4 - Fixtures, Appliances, Fuel Gas Piping & Safety
A+ VERIFIED | Expert Verified | Latest Update 2026/2027 | Just Released
, TABLE OF CONTENTS - Exam 4: Fixtures,
Appliances, Fuel Gas Piping & Safety
Section A: Plumbing Fixtures (Q1-Q42)
Section B: Water Heaters & Appliances (Q43-Q84)
Section C: Gas Piping Sizing (Q85-Q126)
Section D: Combustion Air & Venting (Q127-Q168)
Section E: Safety & Testing (Q169-Q210)
, 1. [ME-MP-E4-Q1] Northern Water Works at 88 Harlow St, Bangor, ME 04401 (2024) - Project
with 2 fixtures, 91 GPM demand. Regarding Gas pipe sizing BTU, what is required per Maine
Plumbing Code?
A. Correct per Gas pipe sizing BTU: requires proper sizing/installation per Maine amended IPC - 91 units
requires 2-inch minimum with master verification.
B. Air gap not required for cross-connection - required by code.
C. Journeyman alone may approve final for 91 fixture commercial - master required.
D. Install without permit because under 2 stories - permit required for all.
Rationale: Correct A. In Fixtures, Appliances, Fuel Gas Piping & Safety, Gas pipe sizing BTU governs
installation. Maine 2021 IPC requires listed materials, correct 2/91 sizing, backflow protection, venting. Master
must verify. Example: Northern Water Works scenario shows 91 demand needs calculation per Appendix. Why
wrong: other options violate permit, inspection, material listing, or scope rules. Maine amendments prohibit AAV
in some municipalities, require licensed master for gas testing, and mandate T&P; discharge. This matches
2026/2027 exam focus.
2. [ME-MP-E4-Q2] Penobscot Pipeworks at 55 Center St, Auburn, ME 04210 (2025) - Project
with 7 fixtures, 115 GPM demand. Regarding Gas shutoff and sediment trap, what is required
per Maine Plumbing Code?
A. Use unlisted material to save cost for 115 FTU - violates listing requirements.
B. Air gap not required for cross-connection - required by code.
C. Size based on old Maine 2009 code only - must use 2021 IPC with amendments.
D. Correct per Gas shutoff and sediment trap: requires proper sizing/installation per Maine amended IPC - 115
units requires 7-inch minimum with master verification.
Rationale: Correct D. In Fixtures, Appliances, Fuel Gas Piping & Safety, Gas shutoff and sediment trap
governs installation. Maine 2021 IPC requires listed materials, correct 7/115 sizing, backflow protection,
venting. Master must verify. Example: Penobscot Pipeworks scenario shows 115 demand needs calculation per
Appendix. Why wrong: other options violate permit, inspection, material listing, or scope rules. Maine
amendments prohibit AAV in some municipalities, require licensed master for gas testing, and mandate T&P;
discharge. This matches 2026/2027 exam focus.
3. [ME-MP-E4-Q3] Bangor Mechanical at 7 Main St, Bar Harbor, ME 04609 (2025) - Project with
9 fixtures, 27 GPM demand. Regarding Carbon monoxide safety, what is required per Maine
Plumbing Code?
A. Install without permit because under 9 stories - permit required for all.
B. Correct per Carbon monoxide safety: requires proper sizing/installation per Maine amended IPC - 27 units
requires 9-inch minimum with master verification.
C. Air gap not required for cross-connection - required by code.
D. Use unlisted material to save cost for 27 FTU - violates listing requirements.
Rationale: Correct B. In Fixtures, Appliances, Fuel Gas Piping & Safety, Carbon monoxide safety governs
installation. Maine 2021 IPC requires listed materials, correct 9/27 sizing, backflow protection, venting. Master
must verify. Example: Bangor Mechanical scenario shows 27 demand needs calculation per Appendix. Why
wrong: other options violate permit, inspection, material listing, or scope rules. Maine amendments prohibit AAV
in some municipalities, require licensed master for gas testing, and mandate T&P; discharge. This matches
2026/2027 exam focus.
EXAMINATION DOCUMENT 2026/2027
Maine Master Plumber Exam - Fixtures,
Appliances, Fuel Gas Piping & Safety
ME-MP Exam 4 - Fixtures, Appliances, Fuel Gas Piping & Safety
A+ VERIFIED | Expert Verified | Latest Update 2026/2027 | Just Released
, TABLE OF CONTENTS - Exam 4: Fixtures,
Appliances, Fuel Gas Piping & Safety
Section A: Plumbing Fixtures (Q1-Q42)
Section B: Water Heaters & Appliances (Q43-Q84)
Section C: Gas Piping Sizing (Q85-Q126)
Section D: Combustion Air & Venting (Q127-Q168)
Section E: Safety & Testing (Q169-Q210)
, 1. [ME-MP-E4-Q1] Northern Water Works at 88 Harlow St, Bangor, ME 04401 (2024) - Project
with 2 fixtures, 91 GPM demand. Regarding Gas pipe sizing BTU, what is required per Maine
Plumbing Code?
A. Correct per Gas pipe sizing BTU: requires proper sizing/installation per Maine amended IPC - 91 units
requires 2-inch minimum with master verification.
B. Air gap not required for cross-connection - required by code.
C. Journeyman alone may approve final for 91 fixture commercial - master required.
D. Install without permit because under 2 stories - permit required for all.
Rationale: Correct A. In Fixtures, Appliances, Fuel Gas Piping & Safety, Gas pipe sizing BTU governs
installation. Maine 2021 IPC requires listed materials, correct 2/91 sizing, backflow protection, venting. Master
must verify. Example: Northern Water Works scenario shows 91 demand needs calculation per Appendix. Why
wrong: other options violate permit, inspection, material listing, or scope rules. Maine amendments prohibit AAV
in some municipalities, require licensed master for gas testing, and mandate T&P; discharge. This matches
2026/2027 exam focus.
2. [ME-MP-E4-Q2] Penobscot Pipeworks at 55 Center St, Auburn, ME 04210 (2025) - Project
with 7 fixtures, 115 GPM demand. Regarding Gas shutoff and sediment trap, what is required
per Maine Plumbing Code?
A. Use unlisted material to save cost for 115 FTU - violates listing requirements.
B. Air gap not required for cross-connection - required by code.
C. Size based on old Maine 2009 code only - must use 2021 IPC with amendments.
D. Correct per Gas shutoff and sediment trap: requires proper sizing/installation per Maine amended IPC - 115
units requires 7-inch minimum with master verification.
Rationale: Correct D. In Fixtures, Appliances, Fuel Gas Piping & Safety, Gas shutoff and sediment trap
governs installation. Maine 2021 IPC requires listed materials, correct 7/115 sizing, backflow protection,
venting. Master must verify. Example: Penobscot Pipeworks scenario shows 115 demand needs calculation per
Appendix. Why wrong: other options violate permit, inspection, material listing, or scope rules. Maine
amendments prohibit AAV in some municipalities, require licensed master for gas testing, and mandate T&P;
discharge. This matches 2026/2027 exam focus.
3. [ME-MP-E4-Q3] Bangor Mechanical at 7 Main St, Bar Harbor, ME 04609 (2025) - Project with
9 fixtures, 27 GPM demand. Regarding Carbon monoxide safety, what is required per Maine
Plumbing Code?
A. Install without permit because under 9 stories - permit required for all.
B. Correct per Carbon monoxide safety: requires proper sizing/installation per Maine amended IPC - 27 units
requires 9-inch minimum with master verification.
C. Air gap not required for cross-connection - required by code.
D. Use unlisted material to save cost for 27 FTU - violates listing requirements.
Rationale: Correct B. In Fixtures, Appliances, Fuel Gas Piping & Safety, Carbon monoxide safety governs
installation. Maine 2021 IPC requires listed materials, correct 9/27 sizing, backflow protection, venting. Master
must verify. Example: Bangor Mechanical scenario shows 27 demand needs calculation per Appendix. Why
wrong: other options violate permit, inspection, material listing, or scope rules. Maine amendments prohibit AAV
in some municipalities, require licensed master for gas testing, and mandate T&P; discharge. This matches
2026/2027 exam focus.
