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FDNY G98 Handling, Use and Storage of
Flammable Compressed Gases Exam – 250
Practice Questions With Verified Answers &
Rationales LATEST UPDATE THIS YEAR
FDNY G98 Handling, Use and Storage of Flammable Compressed Gases Exam – 250 Practice
Questions
Exam Coverage Summary – Point Form
Exam Format & Administration
Certificate: G-98 Certificate of Fitness for Supervision of Storage, Handling and Use of
Compressed Flammable Gas Containers (Citywide)
Governing Code: NYC Fire Code (FC Chapter 35) and NFPA 55 standards
Application: Online application and payment required before arriving at FDNY
Exam Location: MetroTech Center, Brooklyn
Validity: Certificate valid for 3 years; renewal notice sent 90 days before expiration
Key Domains & Weighting
Domain Approx. Weight
Certificate of Fitness & Permit Requirements ~10%
Cylinder Identification, Markings & Labeling ~15%
Storage Requirements ~20%
Handling & Use ~15%
Safety Devices & Equipment ~10%
Emergency Procedures & Fire Extinguishers ~15%
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Domain Approx. Weight
Regulatory Standards (FC, NFPA, OSHA) ~10%
Gas-Specific Knowledge (Acetylene, Hydrogen, LPG, etc.) ~5%
Critical Topics
G-98 Certificate of Fitness covers handling, use, and storage of flammable compressed gases
(e.g., Acetylene, Hydrogen, Methane, Ethylene)
Fire Department permit required for quantities exceeding 400 standard cubic feet (SCF)
Indoor storage limited to 15,000 SCF per building (excluding construction sites)
NFPA 704 diamond hazard identification signage required
Cylinders must be stored upright and secured
Protective caps required when cylinders not in use
20-foot separation between oxidizers and flammable gases (or 5-foot non-combustible wall
with 30-min rating)
25-foot clearance from ignition sources
Flashback arresters required on torch setups
Leak detection using soapy water solution (never open flame)
Regulatory References
NYC Fire Code Chapter 35: Flammable compressed gases (non-LPG/CNG)
NFPA 55: Compressed Gases and Cryogenic Fluids Code
NFPA 704: Standard System for Identification of the Hazards of Materials for Emergency
Response
OSHA: Occupational safety standards for compressed gas handling
SECTION A: CERTIFICATE OF FITNESS & PERMIT REQUIREMENTS (Questions 1-30)
1. Which Certificate of Fitness is required for the general supervision of the storage, handling,
and use of flammable compressed gases in New York City?
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A. G-60
B. G-98
C. S-95
D. F-01
Correct Answer: B. The G-98 Certificate of Fitness specifically covers the handling, use, and
storage of flammable compressed gases citywide.
2. Under the NYC Fire Code, a Fire Department permit is required for the storage, handling, or
use of flammable compressed gases in what quantity?
A. 100 SCF
B. 250 SCF
C. 400 SCF
D. 1,000 SCF
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Correct Answer: C. A permit is mandatory for the storage, handling, or use of flammable
compressed gases in amounts exceeding 400 standard cubic feet (SCF).
3. What is the maximum amount of flammable compressed gas allowed to be stored indoors
in any building or structure (excluding construction sites) under the NYC Fire Code?
A. 3,500 SCF
B. 6,500 SCF
C. 10,000 SCF
D. 15,000 SCF
Correct Answer: D. The NYC Fire Code restricts indoor storage of flammable gas to a maximum
of 15,000 SCF per building.
4. How often must a G-98 Certificate of Fitness be renewed?
FDNY G98 Handling, Use and Storage of
Flammable Compressed Gases Exam – 250
Practice Questions With Verified Answers &
Rationales LATEST UPDATE THIS YEAR
FDNY G98 Handling, Use and Storage of Flammable Compressed Gases Exam – 250 Practice
Questions
Exam Coverage Summary – Point Form
Exam Format & Administration
Certificate: G-98 Certificate of Fitness for Supervision of Storage, Handling and Use of
Compressed Flammable Gas Containers (Citywide)
Governing Code: NYC Fire Code (FC Chapter 35) and NFPA 55 standards
Application: Online application and payment required before arriving at FDNY
Exam Location: MetroTech Center, Brooklyn
Validity: Certificate valid for 3 years; renewal notice sent 90 days before expiration
Key Domains & Weighting
Domain Approx. Weight
Certificate of Fitness & Permit Requirements ~10%
Cylinder Identification, Markings & Labeling ~15%
Storage Requirements ~20%
Handling & Use ~15%
Safety Devices & Equipment ~10%
Emergency Procedures & Fire Extinguishers ~15%
,Page 2 of 149
Domain Approx. Weight
Regulatory Standards (FC, NFPA, OSHA) ~10%
Gas-Specific Knowledge (Acetylene, Hydrogen, LPG, etc.) ~5%
Critical Topics
G-98 Certificate of Fitness covers handling, use, and storage of flammable compressed gases
(e.g., Acetylene, Hydrogen, Methane, Ethylene)
Fire Department permit required for quantities exceeding 400 standard cubic feet (SCF)
Indoor storage limited to 15,000 SCF per building (excluding construction sites)
NFPA 704 diamond hazard identification signage required
Cylinders must be stored upright and secured
Protective caps required when cylinders not in use
20-foot separation between oxidizers and flammable gases (or 5-foot non-combustible wall
with 30-min rating)
25-foot clearance from ignition sources
Flashback arresters required on torch setups
Leak detection using soapy water solution (never open flame)
Regulatory References
NYC Fire Code Chapter 35: Flammable compressed gases (non-LPG/CNG)
NFPA 55: Compressed Gases and Cryogenic Fluids Code
NFPA 704: Standard System for Identification of the Hazards of Materials for Emergency
Response
OSHA: Occupational safety standards for compressed gas handling
SECTION A: CERTIFICATE OF FITNESS & PERMIT REQUIREMENTS (Questions 1-30)
1. Which Certificate of Fitness is required for the general supervision of the storage, handling,
and use of flammable compressed gases in New York City?
,Page 3 of 149
A. G-60
B. G-98
C. S-95
D. F-01
Correct Answer: B. The G-98 Certificate of Fitness specifically covers the handling, use, and
storage of flammable compressed gases citywide.
2. Under the NYC Fire Code, a Fire Department permit is required for the storage, handling, or
use of flammable compressed gases in what quantity?
A. 100 SCF
B. 250 SCF
C. 400 SCF
D. 1,000 SCF
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Correct Answer: C. A permit is mandatory for the storage, handling, or use of flammable
compressed gases in amounts exceeding 400 standard cubic feet (SCF).
3. What is the maximum amount of flammable compressed gas allowed to be stored indoors
in any building or structure (excluding construction sites) under the NYC Fire Code?
A. 3,500 SCF
B. 6,500 SCF
C. 10,000 SCF
D. 15,000 SCF
Correct Answer: D. The NYC Fire Code restricts indoor storage of flammable gas to a maximum
of 15,000 SCF per building.
4. How often must a G-98 Certificate of Fitness be renewed?
