Fdny A35 Exam Questions and Answers 100% Pass
Section 1: Air Compressor Fundamentals
Question 1
What are air compressors used to power?
A. Industrial equipment and construction tools
B. Household appliances
C. Medical devices
D. Agricultural machinery
Correct Answer: A. Industrial equipment and construction tools
Rationale: Air compressors are primarily used to power industrial
equipment and construction tools.
Question 2
What pressure compressor requires a certificate holder to operate?
A. 50+ psi
B. 100+ psi
C. 150+ psi
D. 200+ psi
Correct Answer: B. 100+ psi
Rationale: Compressors operating at 100+ psi require a certificate
holder to operate.
,Question 3
What are two examples of tools air compressors power?
A. Pneumatic wrenches and air lifts in automobile repair shops
B. Drills and saws
C. Hammers and screwdrivers
D. Wrenches and pliers
Correct Answer: A. Pneumatic wrenches and air lifts in automobile repair
shops
Rationale: Pneumatic wrenches and air lifts in automobile repair
shops are two examples of tools powered by air compressors.
Question 4
What are the 4 types of air compressors?
A. Reciprocating, centrifugal, rotary, and solar
B. Reciprocating, centrifugal, rotary, and screw
C. Reciprocating, axial, rotary, and screw
D. Piston, centrifugal, rotary, and scroll
Correct Answer: A. Reciprocating, centrifugal, rotary, and solar
Rationale: The 4 types of air compressors are reciprocating,
centrifugal, rotary, and solar.
Question 5
How can air compressors be powered?
A. Electric motors, internal combustion engines, and steam turbines
B. Electric motors only
,C. Internal combustion engines only
D. Steam turbines only
Correct Answer: A. Electric motors, internal combustion engines, and
steam turbines
Rationale: Air compressors can be powered by electric motors,
internal combustion engines, and steam turbines.
Question 6
What can be done to prevent flammable gases from entering air
compressors?
A. Position the compressor 5 feet above ground
B. Position the compressor 10 feet above ground
C. Position the compressor at ground level
D. Position the compressor below ground
Correct Answer: A. Position the compressor 5 feet above ground
Rationale: Positioning the compressor 5 feet above ground helps
prevent flammable gases from entering the air compressor.
Question 7
What does the compression chamber consist of?
A. A piston inside of a cylinder
B. A piston inside of a tank
C. A valve inside of a cylinder
D. A valve inside of a tank
, Correct Answer: A. A piston inside of a cylinder
Rationale: The compression chamber consists of a piston inside of a
cylinder.
Question 8
When the piston moves downward, what happens to the intake valve?
A. It automatically opens and air is drawn into the cylinder
B. It automatically closes and air is drawn into the cylinder
C. It automatically opens and air is pushed out of the cylinder
D. It automatically closes and air is pushed out of the cylinder
Correct Answer: A. It automatically opens and air is drawn into the
cylinder
Rationale: When the piston moves downward, the intake valve
automatically opens and air is drawn into the cylinder.
Question 9
When air is compressed and the intake valve is closed, which direction is
the piston moving?
A. It is moving upward
B. It is moving downward
C. It is moving sideways
D. It is stationary
Correct Answer: A. It is moving upward
Rationale: When air is compressed and the intake valve is closed, the
piston is moving upward.
Section 1: Air Compressor Fundamentals
Question 1
What are air compressors used to power?
A. Industrial equipment and construction tools
B. Household appliances
C. Medical devices
D. Agricultural machinery
Correct Answer: A. Industrial equipment and construction tools
Rationale: Air compressors are primarily used to power industrial
equipment and construction tools.
Question 2
What pressure compressor requires a certificate holder to operate?
A. 50+ psi
B. 100+ psi
C. 150+ psi
D. 200+ psi
Correct Answer: B. 100+ psi
Rationale: Compressors operating at 100+ psi require a certificate
holder to operate.
,Question 3
What are two examples of tools air compressors power?
A. Pneumatic wrenches and air lifts in automobile repair shops
B. Drills and saws
C. Hammers and screwdrivers
D. Wrenches and pliers
Correct Answer: A. Pneumatic wrenches and air lifts in automobile repair
shops
Rationale: Pneumatic wrenches and air lifts in automobile repair
shops are two examples of tools powered by air compressors.
Question 4
What are the 4 types of air compressors?
A. Reciprocating, centrifugal, rotary, and solar
B. Reciprocating, centrifugal, rotary, and screw
C. Reciprocating, axial, rotary, and screw
D. Piston, centrifugal, rotary, and scroll
Correct Answer: A. Reciprocating, centrifugal, rotary, and solar
Rationale: The 4 types of air compressors are reciprocating,
centrifugal, rotary, and solar.
Question 5
How can air compressors be powered?
A. Electric motors, internal combustion engines, and steam turbines
B. Electric motors only
,C. Internal combustion engines only
D. Steam turbines only
Correct Answer: A. Electric motors, internal combustion engines, and
steam turbines
Rationale: Air compressors can be powered by electric motors,
internal combustion engines, and steam turbines.
Question 6
What can be done to prevent flammable gases from entering air
compressors?
A. Position the compressor 5 feet above ground
B. Position the compressor 10 feet above ground
C. Position the compressor at ground level
D. Position the compressor below ground
Correct Answer: A. Position the compressor 5 feet above ground
Rationale: Positioning the compressor 5 feet above ground helps
prevent flammable gases from entering the air compressor.
Question 7
What does the compression chamber consist of?
A. A piston inside of a cylinder
B. A piston inside of a tank
C. A valve inside of a cylinder
D. A valve inside of a tank
, Correct Answer: A. A piston inside of a cylinder
Rationale: The compression chamber consists of a piston inside of a
cylinder.
Question 8
When the piston moves downward, what happens to the intake valve?
A. It automatically opens and air is drawn into the cylinder
B. It automatically closes and air is drawn into the cylinder
C. It automatically opens and air is pushed out of the cylinder
D. It automatically closes and air is pushed out of the cylinder
Correct Answer: A. It automatically opens and air is drawn into the
cylinder
Rationale: When the piston moves downward, the intake valve
automatically opens and air is drawn into the cylinder.
Question 9
When air is compressed and the intake valve is closed, which direction is
the piston moving?
A. It is moving upward
B. It is moving downward
C. It is moving sideways
D. It is stationary
Correct Answer: A. It is moving upward
Rationale: When air is compressed and the intake valve is closed, the
piston is moving upward.
