FDNY A-35 QUESTIONS AND CORRECT ANNSWERS
(VERIFIED ANSWERS) Q&A 2026/2027|INSTANT
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1. What is the primary purpose of the FDNY A-35 Certificate of
Fitness?
A. To certify elevator inspectors
B. To certify individuals responsible for air compressor
operation and maintenance
C. To certify security guards
D. To certify plumbers
Correct Answer: B. To certify individuals responsible for air
compressor operation and maintenance
Rationale: : The A-35 Certificate of Fitness is required for
qualified personnel responsible for operating and maintaining
air compressors in accordance with FDNY regulations.
2. Before operating an air compressor, an operator should
first:
A. Increase the pressure immediately
B. Inspect the equipment for defects
C. Disconnect all safety devices
,D. Open every drain valve
Correct Answer: B. Inspect the equipment for defects
Rationale: : A pre-operation inspection helps identify leaks,
worn parts, and unsafe conditions before operation.
3. Which device protects an air compressor from excessive
pressure?
A. Pressure relief valve
B. Thermometer
C. Air filter
D. Oil gauge
Correct Answer: A. Pressure relief valve
Rationale: : A pressure relief valve automatically releases
pressure when it exceeds the safe operating limit.
4. Why should compressed air hoses be inspected regularly?
A. To improve paint color
B. To detect damage and leaks
C. To increase compressor speed
D. To reduce electrical current
Correct Answer: B. To detect damage and leaks
,Rationale: : Damaged hoses can burst and cause serious
injuries.
5. What should be done if a safety valve fails during
operation?
A. Continue operating carefully
B. Disconnect the safety valve
C. Shut down the compressor immediately
D. Increase the pressure
Correct Answer: C. Shut down the compressor immediately
Rationale: : Operating without a functioning safety valve
creates an unsafe overpressure condition.
6. What is compressed air primarily used for?
A. Heating buildings
B. Powering pneumatic equipment
C. Cooling food
D. Producing electricity
Correct Answer: B. Powering pneumatic equipment
Rationale: : Compressed air supplies energy to pneumatic tools
and equipment.
, 7. Which PPE is normally required when operating air
compressors?
A. Sandals
B. Safety glasses and hearing protection
C. Baseball cap
D. Cotton gloves only
Correct Answer: B. Safety glasses and hearing protection
Rationale: : Air compressors generate noise and may propel
debris, making eye and hearing protection essential.
8. Oil levels should be checked:
A. Only once a year
B. Before operating the compressor
C. After every five years
D. Only after repairs
Correct Answer: B. Before operating the compressor
Rationale: : Proper lubrication prevents excessive wear and
overheating.
9. Water accumulation inside an air receiver should be:
(VERIFIED ANSWERS) Q&A 2026/2027|INSTANT
DOWNLOAD PDF
1. What is the primary purpose of the FDNY A-35 Certificate of
Fitness?
A. To certify elevator inspectors
B. To certify individuals responsible for air compressor
operation and maintenance
C. To certify security guards
D. To certify plumbers
Correct Answer: B. To certify individuals responsible for air
compressor operation and maintenance
Rationale: : The A-35 Certificate of Fitness is required for
qualified personnel responsible for operating and maintaining
air compressors in accordance with FDNY regulations.
2. Before operating an air compressor, an operator should
first:
A. Increase the pressure immediately
B. Inspect the equipment for defects
C. Disconnect all safety devices
,D. Open every drain valve
Correct Answer: B. Inspect the equipment for defects
Rationale: : A pre-operation inspection helps identify leaks,
worn parts, and unsafe conditions before operation.
3. Which device protects an air compressor from excessive
pressure?
A. Pressure relief valve
B. Thermometer
C. Air filter
D. Oil gauge
Correct Answer: A. Pressure relief valve
Rationale: : A pressure relief valve automatically releases
pressure when it exceeds the safe operating limit.
4. Why should compressed air hoses be inspected regularly?
A. To improve paint color
B. To detect damage and leaks
C. To increase compressor speed
D. To reduce electrical current
Correct Answer: B. To detect damage and leaks
,Rationale: : Damaged hoses can burst and cause serious
injuries.
5. What should be done if a safety valve fails during
operation?
A. Continue operating carefully
B. Disconnect the safety valve
C. Shut down the compressor immediately
D. Increase the pressure
Correct Answer: C. Shut down the compressor immediately
Rationale: : Operating without a functioning safety valve
creates an unsafe overpressure condition.
6. What is compressed air primarily used for?
A. Heating buildings
B. Powering pneumatic equipment
C. Cooling food
D. Producing electricity
Correct Answer: B. Powering pneumatic equipment
Rationale: : Compressed air supplies energy to pneumatic tools
and equipment.
, 7. Which PPE is normally required when operating air
compressors?
A. Sandals
B. Safety glasses and hearing protection
C. Baseball cap
D. Cotton gloves only
Correct Answer: B. Safety glasses and hearing protection
Rationale: : Air compressors generate noise and may propel
debris, making eye and hearing protection essential.
8. Oil levels should be checked:
A. Only once a year
B. Before operating the compressor
C. After every five years
D. Only after repairs
Correct Answer: B. Before operating the compressor
Rationale: : Proper lubrication prevents excessive wear and
overheating.
9. Water accumulation inside an air receiver should be:
