FDNY G-44 CERTIFICATE OF FITNESS EXAM
STORAGE AND HANDLING OF LPG AND CNG
QUESTIONS WITH ANSWERS AND
RATIONALES
Instructions: This exam contains multiple-choice questions covering the core content tested on
the FDNY G-44 Certificate of Fitness examination. Topics include permit requirements, LPG
and CNG characteristics, cylinder storage and handling, leak detection, fire safety, and
lithium-ion battery safety.
1. What is the primary purpose of the FDNY G-44 Certificate of Fitness?
A. To authorize crane operations
B. To ensure safe storage and handling of LPG or CNG
C. To certify electrical installations
D. To operate welding equipment
Correct Answer: B — To ensure safe storage and handling of LPG or CNG
Rationale: The G-44 Certificate of Fitness ensures trained personnel manage
LPG/CNG safely to prevent fires and explosions .
2. LPG stands for:
A. Liquid Pressurized Gas
B. Liquefied Petroleum Gas
,C. Low-Pressure Gas
D. Large Propane Gas
Correct Answer: B — Liquefied Petroleum Gas
Rationale: LPG is the standard abbreviation for Liquefied Petroleum Gas, which
includes propane and butane .
3. CNG stands for:
A. Combustible Natural Gas
B. Concentrated Natural Gas
C. Compressed Natural Gas
D. Condensed Nitrogen Gas
Correct Answer: C — Compressed Natural Gas
Rationale: CNG is natural gas (primarily methane) stored at high pressure .
4. LPG is primarily composed of which gas?
A. Methane
B. Acetylene
C. Propane
D. Hydrogen
, Correct Answer: C — Propane
Rationale: LPG is primarily propane and butane .
5. LPG is _____ than air.
A. Lighter
B. The same weight
C. Heavier
D. Non-comparable
Correct Answer: C — Heavier
Rationale: LPG vapors are heavier than air and will collect in low areas, creating a
significant hazard .
6. CNG is _____ than air.
A. Lighter
B. Heavier
C. The same weight
D. Non-comparable
Correct Answer: A — Lighter
STORAGE AND HANDLING OF LPG AND CNG
QUESTIONS WITH ANSWERS AND
RATIONALES
Instructions: This exam contains multiple-choice questions covering the core content tested on
the FDNY G-44 Certificate of Fitness examination. Topics include permit requirements, LPG
and CNG characteristics, cylinder storage and handling, leak detection, fire safety, and
lithium-ion battery safety.
1. What is the primary purpose of the FDNY G-44 Certificate of Fitness?
A. To authorize crane operations
B. To ensure safe storage and handling of LPG or CNG
C. To certify electrical installations
D. To operate welding equipment
Correct Answer: B — To ensure safe storage and handling of LPG or CNG
Rationale: The G-44 Certificate of Fitness ensures trained personnel manage
LPG/CNG safely to prevent fires and explosions .
2. LPG stands for:
A. Liquid Pressurized Gas
B. Liquefied Petroleum Gas
,C. Low-Pressure Gas
D. Large Propane Gas
Correct Answer: B — Liquefied Petroleum Gas
Rationale: LPG is the standard abbreviation for Liquefied Petroleum Gas, which
includes propane and butane .
3. CNG stands for:
A. Combustible Natural Gas
B. Concentrated Natural Gas
C. Compressed Natural Gas
D. Condensed Nitrogen Gas
Correct Answer: C — Compressed Natural Gas
Rationale: CNG is natural gas (primarily methane) stored at high pressure .
4. LPG is primarily composed of which gas?
A. Methane
B. Acetylene
C. Propane
D. Hydrogen
, Correct Answer: C — Propane
Rationale: LPG is primarily propane and butane .
5. LPG is _____ than air.
A. Lighter
B. The same weight
C. Heavier
D. Non-comparable
Correct Answer: C — Heavier
Rationale: LPG vapors are heavier than air and will collect in low areas, creating a
significant hazard .
6. CNG is _____ than air.
A. Lighter
B. Heavier
C. The same weight
D. Non-comparable
Correct Answer: A — Lighter
