TX General Pump Installer Practice Exam 2026 |
Verified Actual Questions and Correct Answers
The TX General Pump Installer Practice Exam is designed for professionals installing and
servicing pumps in Texas. Topics include pump installation, system design,
maintenance, and regulatory compliance. Candidates are tested on their ability to install
and repair pumps in residential, agricultural, and industrial settings, while ensuring
compliance with Texas regulations and safety standards for water and fluid transfer
systems.
QUESTION 1
What is the primary purpose of a water pump in a plumbing system?
A. Heat water
B. Increase water pressure and flow
C. Filter contaminants
D. Store water
CORRECT ANSWER ✓ ✓
B
VERIFIED RATIONALE:
Water pumps are designed to move water and increase pressure so it can be delivered
to fixtures or systems effectively.
QUESTION 2
Which pump is most commonly used for shallow wells under 25 feet?
,A. Submersible pump
B. Centrifugal pump
C. Jet pump
D. Booster pump
CORRECT ANSWER ✓ ✓
C
VERIFIED RATIONALE:
Jet pumps are suitable for shallow wells and rely on suction to lift water up to about
25 feet.
QUESTION 3
What is cavitation in a pump system?
A. Excessive pressure buildup
B. Formation of vapor bubbles due to low pressure
C. Electrical short circuit
D. Pipe corrosion
CORRECT ANSWER ✓ ✓
B
VERIFIED RATIONALE:
Cavitation occurs when low pressure causes vapor bubbles to form and collapse,
damaging pump components.
QUESTION 4
,Which device prevents water from flowing backward into a pump?
A. Pressure switch
B. Check valve
C. Relief valve
D. Foot valve
CORRECT ANSWER ✓ ✓
B
VERIFIED RATIONALE:
A check valve ensures one-way flow, protecting the pump from reverse pressure and
loss of prime.
QUESTION 5
What is the function of a pressure tank in a pump system?
A. Store hot water
B. Reduce pump cycling
C. Increase voltage
D. Filter sediment
CORRECT ANSWER ✓ ✓
B
VERIFIED RATIONALE:
Pressure tanks store pressurized water, reducing frequent pump starts and extending
pump life.
, QUESTION 6
Which component controls when a pump turns on and off?
A. Check valve
B. Pressure switch
C. Flow meter
D. Ball valve
CORRECT ANSWER ✓ ✓
B
VERIFIED RATIONALE:
A pressure switch activates the pump at a preset low pressure and shuts it off at a
higher pressure.
QUESTION 7
What is the typical pressure range for residential pump systems?
A. 10–30 psi
B. 20–40 psi
C. 30–50 psi
D. 40–60 psi
CORRECT ANSWER ✓ ✓
D
VERIFIED RATIONALE:
Most residential systems operate safely and effectively between 40–60 psi.
Verified Actual Questions and Correct Answers
The TX General Pump Installer Practice Exam is designed for professionals installing and
servicing pumps in Texas. Topics include pump installation, system design,
maintenance, and regulatory compliance. Candidates are tested on their ability to install
and repair pumps in residential, agricultural, and industrial settings, while ensuring
compliance with Texas regulations and safety standards for water and fluid transfer
systems.
QUESTION 1
What is the primary purpose of a water pump in a plumbing system?
A. Heat water
B. Increase water pressure and flow
C. Filter contaminants
D. Store water
CORRECT ANSWER ✓ ✓
B
VERIFIED RATIONALE:
Water pumps are designed to move water and increase pressure so it can be delivered
to fixtures or systems effectively.
QUESTION 2
Which pump is most commonly used for shallow wells under 25 feet?
,A. Submersible pump
B. Centrifugal pump
C. Jet pump
D. Booster pump
CORRECT ANSWER ✓ ✓
C
VERIFIED RATIONALE:
Jet pumps are suitable for shallow wells and rely on suction to lift water up to about
25 feet.
QUESTION 3
What is cavitation in a pump system?
A. Excessive pressure buildup
B. Formation of vapor bubbles due to low pressure
C. Electrical short circuit
D. Pipe corrosion
CORRECT ANSWER ✓ ✓
B
VERIFIED RATIONALE:
Cavitation occurs when low pressure causes vapor bubbles to form and collapse,
damaging pump components.
QUESTION 4
,Which device prevents water from flowing backward into a pump?
A. Pressure switch
B. Check valve
C. Relief valve
D. Foot valve
CORRECT ANSWER ✓ ✓
B
VERIFIED RATIONALE:
A check valve ensures one-way flow, protecting the pump from reverse pressure and
loss of prime.
QUESTION 5
What is the function of a pressure tank in a pump system?
A. Store hot water
B. Reduce pump cycling
C. Increase voltage
D. Filter sediment
CORRECT ANSWER ✓ ✓
B
VERIFIED RATIONALE:
Pressure tanks store pressurized water, reducing frequent pump starts and extending
pump life.
, QUESTION 6
Which component controls when a pump turns on and off?
A. Check valve
B. Pressure switch
C. Flow meter
D. Ball valve
CORRECT ANSWER ✓ ✓
B
VERIFIED RATIONALE:
A pressure switch activates the pump at a preset low pressure and shuts it off at a
higher pressure.
QUESTION 7
What is the typical pressure range for residential pump systems?
A. 10–30 psi
B. 20–40 psi
C. 30–50 psi
D. 40–60 psi
CORRECT ANSWER ✓ ✓
D
VERIFIED RATIONALE:
Most residential systems operate safely and effectively between 40–60 psi.
