Plumbing Installation and Maintenance Study Guide
Questions
Course Introduction
This course provides a comprehensive introduction to the principles and practices of plumbing installation and maintenance. Students will learn about plumbing systems design, components, and operation, including water supply, drainage, and venting systems. The course covers the selection and installation of pipes, fittings, fixtures, and related materials, along with tools and safety procedures essential to the trade. Emphasis is placed on troubleshooting common plumbing problems, routine maintenance, reading blueprints, and adhering to codes and regulations. Practical, hands-on training is integrated to equip students with the skills necessary for both residential and commercial plumbing tasks.
Recommended Textbook
Residential Construction Academy Plumbing 2nd Edition by Michael A Joyce
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17 Chapters
495 Verified Questions
495 Flashcards
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Chapter 1: Plumbers Toolbox
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29 Flashcards
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Sample Questions
Q1) Why must all burrs be removed after cutting a pipe end?
Answer: Burrs can travel in a water piping system and obstruct filters,screens,and water flow passageways.
Q2) It is not as important to focus on the weight or the head type as it is on the type of claw because a plumber uses hammers less often than a carpenter.
A)True
B)False
Answer: True
Q3) ____________________ are used in the plumbing industry to notch and split pieces of wood boards;they are available in various widths.
Answer: Wood chisels
Q4) _________________________ (the most common type of pliers used by plumbers)have angled and grooved jaws (teeth)for an adequate grip on pipe.
Answer: Water pumps pliers
Q5) What are the two primary methods to connect PEX pipe and fittings?
Answer: Pipe and fittings joined with a crimping ring and using expanding tools inserted into the pipe end.
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Page 3
Chapter 2: Power Tools
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Sample Questions
Q1) The bottom of the ladder should be approximately _______________ of the length the ladder is extended to ensure a safe angle is established.
Answer: one fourth 1/4
Q2) Once a GFI has been installed it does not ever have to be tested.
A)True
B)False
Answer: False
Q3) What is the purpose of a saber saw?
Answer: To cut holes in countertops to install sinks and to make circular cuts.
Q4) The top of a stepladder can be used for standing.
A)True
B)False
Answer: False
Q5) Currently OSHA has no regulation for fall protection.
A)True
B)False
Answer: False
Q6) A ____________________ gets its name because of its design,which resembles a handgun.
Answer: pistol drill
Page 4
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Chapter 3: Types of Pipe
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Sample Questions
Q1) The higher the temperature of the water,the lower the pressure rating of the pipe.
A)True
B)False
Answer: True
Q2) The substantial cost savings associated with PEX and CPVC has eliminated the use of copper in the residential plumbing industry.
A)True
B)False
Answer: False
Q3) All PVC used for residential application has a maximum temperature rating of _____° Fahrenheit (F).
Answer: 140
Q4) Copper is a ____________________ type of tube used in the air conditioning and refrigeration (ACR)trades as well as the plumbing trade,and the ordering method varies between the two trades.
Answer: thin-wall
Q5) In plumbing,pipe is ordered based on its ____________________ diameter. Answer: nominal
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Chapter 4: Fittings
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Sample Questions
Q1) How do male adapters differ from female adapters?
Q2) How are pipe fittings classified?
Q3) According to manufacturer guidelines,no pipe or fitting in a potable water system can consist of more than ______________% lead.
Q4) Inserting a fitting reducer into a coupling will not create a reducing coupling,but instead is not recommended.
A)True
B)False
Q5) Two ______° fittings can be joined to create a 90° offset.
Q6) The most common offsets used in the plumbing industry are ______°,______° and ______°.
Q7) What is the purpose of a P-Trap?
Q8) What is the purpose of a coupling?
Q9) What is a reducing coupling?
Q10) Water that is safe for human consumption is free from impurities and known as _______________ water.
Q12) Why are entire galvanized distribution systems no longer installed? Page 6
Q11) A fitting designed to provide access directly within a piping system is called a
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Page 7
Chapter 5: Valves and Devices
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Sample Questions
Q1) Valves and devices are categorized based on their ____________________ capabilities.
Q2) What is a ball valve?
Q3) What is the purpose of a Stop and Waste valve?
Q4) Codes typically allow the water service piping and hose faucets to exceed _____ psi.However,piping that serves fixtures must be reduced to a maximum pressure of _____ psi.
Q5) What is the purpose of an isolation valve?
Q6) Most codes dictate that the minimum size of a residential water service is 1/2". A)True B)False
Q7) To ensure the water drains from the hose faucet,it must be installed sloping slightly downward toward the exterior of the building. A)True B)False
Q8) A _______________ valve utilizes a metal gate (disc)that slides vertically to open and close the valve.
Q9) Name the common isolation valves used for water systems.
Q10) What is the purpose of a relief valve?
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Chapter 6: Fixtures
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30 Flashcards
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Sample Questions
Q1) Codes dictate that a non-handicap shower must be at least _____" × _____" and have a threshold to prevent water from spilling onto the area outside the shower.
Q2) The primary focus of water conservation efforts in residential plumbing relate to the ___________________ or ____________________________ of fixtures.
Q3) Can also serve a garbage disposal and dishwasher.
A)Bathtub
B)Toilet
C)Kitchen Sink
D)Lavatory Sink
E)Laundry Sink
F)Bidet
G)Shower
Q4) A tank handle is typically located on the right side of a toilet tank.
A)True
B)False
Q5) While new toilets must be a maximum of 1.6 gallons per flush (gpf)to adhere with water conservation regulations,some models with a maximum of ___________ gallons per flush are increasingly common.
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Chapter 7: Faucets and Drain Assemblies
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22 Flashcards
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Sample Questions
Q1) A ____ is an opening in a fixture,such as a drain or overflow hole that receives drain assemblies,to connect the fixture to the drain system.
A) Port opening
B) Pop-up
C) Aerator
D) None of the above
Q2) Many bidets require a backflow prevention device to be installed.
A)True
B)False
Q3) The two-handle lavatory faucet design requires a user to operate both handles to achieve a desired temperature.
A)True
B)False
Q4) Lavatory faucet connections use which of the following connections.
A) male threads
B) female threads
C) soldered
D) 3/8" tubing
E) both a and d
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Chapter 8: Plumbing Equipment and Appliances
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Sample Questions
Q1) Solar water heating is a popular alternative source of hot water in many regions of the country.
A)True
B)False
Q2) What are the two types of gas used to heat water?
Q3) A water heater design that does not utilize a storage tank,also called tankless.
A)Burner
B)Collector
C)Instantaneous
D)Thermocouple
E)Tankless
F)Flue
G)High limit
H)Anode rod
I)Pilot
J)Element
K)Terminal
L)Thermostat
Q4) An _______________ tank is required by most codes to be installed with every water heater installation.
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Chapter 9: Blueprint Reading and Drafting
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Sample Questions
Q1) Vertical board to erect walls;2" ×4" and 2" ×6" are the two common sizes in residential construction.
A)Joist
B)Side view
C)Stud
D)Branch
E)Drawings
F)Plan view
G)Sketch
H)Isometric view
I)Section view
J)Load-bearing
Q2) A bathtub symbol will not indicate the drain location.
A)True
B)False
Q3) The common residential systems are:
Q4) A 90-degree offset is one of the most common offset fittings in the plumbing industry.
A)True
B)False
Page 12
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Chapter 10: Material Organization
and Layout
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Sample Questions
Q1) An individual erecting the structural wooden boards of a house.
A)Branch
B)Load-bearing
C)Stud
D)Slab
E)Framing
F)Joist
G)Procurement
H)Framer
I)Trench
Q2) The entire wooden structure of a building.
A)Branch
B)Load-bearing
C)Stud
D)Slab
E)Framing
F)Joist
G)Procurement
H)Framer
I)Trench
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Page 13
Chapter 11: Water Service Installation
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30 Flashcards
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Sample Questions
Q1) What is the most common source of water for private water systems?
Q2) Water systems serving less than the EPA criteria for public water systems are considered _______________ water systems.
Q3) Lowland water close to the ocean;has high salt content.
A)Aquifers
B)Filter
C)Trench
D)Brackish
E)Compacting
F)Backfill
G)Purification
H)Branch
I)Water distribution system
J)Water service
Q4) What is the primary source of surface water pollution?
Q5) The purity of the water,regardless of the source,is typically inspected by ______________________________ and regulated in each state or county.
Q6) What is the Safe Drinking Water Act?
Q7) What is potable water?
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Chapter 12: Water Distribution Installation
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35 Flashcards
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Sample Questions
Q1) The joists that separate different levels of a house are _______________.
Q2) The most common percentages of silver used in silver solder are _____,_____,and _____.
Q3) One gallon is also __________ liters and one gallon per minute is __________ liters per second.
Q4) The IPC and UPC have identical pipe sizing allowances.
Q5) Maximum spacing between hangers and supports is dictated by codes,and all material types have the same maximum spacing between supports.
A)True
B)False
Q6) The two common sizes of wall studs are _______________ and _______________.
Q7) The sizing of an entire system is established based solely on the type of fixtures being served.
A)True
B)False
Q8) The layout of a water distribution system is not always the same.
A)True
B)False
Q9) What is the most common hanger type used in residential plumbing? Page 15
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Page 16
Chapter 13: Drainage,waste,and Vent Segments and Sizing
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30 Flashcards
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Sample Questions
Q1) Dimension a trap weir is located from its protective vent.
A)Loop Vent
B)Stack Vent
C)Septic tank
D)Trap Distance
E)Soil Stack
F)Common Vent
G)Drainage Fixture Unit
H)Perc test
I)Effluent
J)Stack
K)Relief Vent
Q2) Most codes only allow a maximum of three toilets on a 3" horizontal branch.
A)True
B)False
Q3) A ____________________ and a horizontal branch are often the same pipe,depending on the complexity of piping configuration.
Q4) Most codes allow any pipe greater than 8" to be served with a 4" cleanout.
A)True
B)False
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Chapter 14: Drainage,waste,and Vent Installation
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27 Flashcards
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Sample Questions
Q1) A bathroom consisting of a tub or shower,a toilet,and a lavatory.
A)Fixture group
B)Test plug
C)Test ball
D)Bicycle pump
E)Waste arm
F)Half bathroom
G)Rough
H)Test cap
Q2) A horizontal fixture drain that begins with the vent connection and terminates at the fixture connection.
A)Fixture group
B)Test plug
C)Test ball
D)Bicycle pump
E)Waste arm
F)Half bathroom
G)Rough
H)Test cap
Q3) A _____" pipe is the smallest size allowable in a DWV system.
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Chapter 15: Fixture and Equipment Installation
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Sample Questions
Q1) The drain from a dishwasher typically connects to the drain from a ____________________.
Q2) A plumber usually installs a dishwasher.
A)True
B)False
Q3) A two-piece toilet is assembled by a plumber on a job site.
A)True
B)False
Q4) A type of connection used for water distribution tubing.
A)Escutcheon
B)Wax seal
C)Compression
D)Trap adapter
E)Tubular
F)Closet bolts
G)Closet flange
H)Continuous waste
Q5) A _______________ is installed on all sinks and connects the fixture outlet to the rough-in stub-out pipe.
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Chapter 16: Plumbing Repairs and Troubleshooting
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Sample Questions
Q1) To safely troubleshoot an electric water heater,the plumber must have a basic understanding of electricity.
A)True
B)False
Q2) Troubleshooting well pumps must be performed by a qualified individual.
A)True
B)False
Q3) A measure of electrical power or the true power in a circuit.
A)Heating element
B)Volt
C)Circuit
D)Circuit breaker
E)High limit
F)Watts
G)Foot valve
H)Ohm
Q4) A gas water heater must be filled with water _______________ igniting the gas supply to a gas water heater.
Q5) What are two methods for checking the toilet tank flapper for a leak?
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Chapter 17: Hydronic Heat
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Sample Questions
Q1) Which pipe is most commonly used in radiant heating systems?
A) PEX
B) PVC
C) CPVC
D) ABS
Q2) What does the acronym ASME stand for when referring to hydronic heating systems?
Q3) As water is heated,the volume of the water is decreased.
A)True
B)False
Q4) What is another name for a flow control valve?
Q5) In a one-pipe system,the same pipe that carries the supply water from the boiler also carries the return water back to the boiler.
A)True
B)False
Q6) Which is the best method for checking the pressure in an expansion tank?
A) refrigeration gauge set
B) micron gauge
C) U-tube manometer
D) bicycle tire gauge
Q7) Name four different methods for heating water in a boiler heating system.
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