1. What is the primary function of a centrifugal pump?
o A) To displace fluid through positive displacement
o B) To convert rotational energy into fluid pressure and flow
o C) To create a vacuum only
o D) To compress gases
o ANSWER : B
2. What voltage is standard for residential single-phase service in
Texas?
o A) 110V
o B) 120/240V
o C) 208V
o D) 480V
o ANSWER : B
3. PVC pipe is commonly used in pump installations because it is:
o A) Expensive and heavy
o B) Corrosion-resistant and lightweight
o C) Electrically conductive
o D) Heat-resistant to 500°F
o ANSWER : B
4. The National Electrical Code (NEC) requires that all electrical work
be:
, o A) Done by homeowners
o B) Performed according to code standards
o C) Painted red
o D) Installed underground
o ANSWER : B
5. Which type of pump is best suited for high-pressure, low-flow
applications?
o A) Centrifugal pump
o B) Positive displacement pump
o C) Jet pump
o D) Sump pump
o ANSWER : B
6. What should be checked first if a pump won't start?
o A) Impeller condition
o B) Electrical power supply and connections
o C) Water level
o D) Discharge valve position
o ANSWER : B
7. What does the term "TDH" stand for in pump terminology?
o A) Total Dynamic Head
o B) Total Discharge Height
o C) Total Delivery Head
o D) Total Design Height
o ANSWER : A
8. Schedule 40 PVC is rated for:
o A) Low pressure applications
o B) Higher pressure than Schedule 80
o C) Standard pressure applications
, o D) Vacuum only
o ANSWER : C
9. A three-phase motor typically requires:
o A) Two wires
o B) Three hot wires plus ground
o C) Single-phase power
o D) DC power
o ANSWER : B
10.Personal protective equipment (PPE) for pump installation should
include:
o A) Sunglasses only
o B) Safety glasses, gloves, and steel-toed boots as appropriate
o C) Nothing
o D) Formal wear
o ANSWER : B
11.The impeller in a centrifugal pump is responsible for:
o A) Filtering the water
o B) Controlling the flow rate
o C) Transferring energy to the fluid
o D) Reducing pressure
o ANSWER : C
12.What does the acronym GFCI stand for?
o A) Ground Fault Circuit Interrupter
o B) General Fuse Circuit Interrupter
o C) Gate Field Current Indicator
o D) Grounded Fixture Connection Interface
o ANSWER : A
13.What is cavitation in a pump?
, o A) Formation of vapor bubbles due to low pressure
o B) Excessive noise from the motor
o C) Corrosion of the impeller
o D) Overpressure in the discharge
o ANSWER : A
14.Schedule 80 PVC compared to Schedule 40:
o A) Is thinner-walled
o B) Has thicker walls and higher pressure rating
o C) Is less expensive
o D) Cannot be used for water
o ANSWER : B
15.OSHA regulations are designed to:
o A) Increase costs
o B) Ensure workplace safety
o C) Slow down work
o D) Create paperwork
o ANSWER : B
16.Which of the following can cause pump cavitation?
o A) Excessive suction lift
o B) Too much discharge pressure
o C) Clean water
o D) Proper priming
o ANSWER : A
17.What is the purpose of a motor overload protector?
o A) To increase motor speed
o B) To protect the motor from overheating due to excessive current
o C) To reduce voltage
o A) To displace fluid through positive displacement
o B) To convert rotational energy into fluid pressure and flow
o C) To create a vacuum only
o D) To compress gases
o ANSWER : B
2. What voltage is standard for residential single-phase service in
Texas?
o A) 110V
o B) 120/240V
o C) 208V
o D) 480V
o ANSWER : B
3. PVC pipe is commonly used in pump installations because it is:
o A) Expensive and heavy
o B) Corrosion-resistant and lightweight
o C) Electrically conductive
o D) Heat-resistant to 500°F
o ANSWER : B
4. The National Electrical Code (NEC) requires that all electrical work
be:
, o A) Done by homeowners
o B) Performed according to code standards
o C) Painted red
o D) Installed underground
o ANSWER : B
5. Which type of pump is best suited for high-pressure, low-flow
applications?
o A) Centrifugal pump
o B) Positive displacement pump
o C) Jet pump
o D) Sump pump
o ANSWER : B
6. What should be checked first if a pump won't start?
o A) Impeller condition
o B) Electrical power supply and connections
o C) Water level
o D) Discharge valve position
o ANSWER : B
7. What does the term "TDH" stand for in pump terminology?
o A) Total Dynamic Head
o B) Total Discharge Height
o C) Total Delivery Head
o D) Total Design Height
o ANSWER : A
8. Schedule 40 PVC is rated for:
o A) Low pressure applications
o B) Higher pressure than Schedule 80
o C) Standard pressure applications
, o D) Vacuum only
o ANSWER : C
9. A three-phase motor typically requires:
o A) Two wires
o B) Three hot wires plus ground
o C) Single-phase power
o D) DC power
o ANSWER : B
10.Personal protective equipment (PPE) for pump installation should
include:
o A) Sunglasses only
o B) Safety glasses, gloves, and steel-toed boots as appropriate
o C) Nothing
o D) Formal wear
o ANSWER : B
11.The impeller in a centrifugal pump is responsible for:
o A) Filtering the water
o B) Controlling the flow rate
o C) Transferring energy to the fluid
o D) Reducing pressure
o ANSWER : C
12.What does the acronym GFCI stand for?
o A) Ground Fault Circuit Interrupter
o B) General Fuse Circuit Interrupter
o C) Gate Field Current Indicator
o D) Grounded Fixture Connection Interface
o ANSWER : A
13.What is cavitation in a pump?
, o A) Formation of vapor bubbles due to low pressure
o B) Excessive noise from the motor
o C) Corrosion of the impeller
o D) Overpressure in the discharge
o ANSWER : A
14.Schedule 80 PVC compared to Schedule 40:
o A) Is thinner-walled
o B) Has thicker walls and higher pressure rating
o C) Is less expensive
o D) Cannot be used for water
o ANSWER : B
15.OSHA regulations are designed to:
o A) Increase costs
o B) Ensure workplace safety
o C) Slow down work
o D) Create paperwork
o ANSWER : B
16.Which of the following can cause pump cavitation?
o A) Excessive suction lift
o B) Too much discharge pressure
o C) Clean water
o D) Proper priming
o ANSWER : A
17.What is the purpose of a motor overload protector?
o A) To increase motor speed
o B) To protect the motor from overheating due to excessive current
o C) To reduce voltage
