Introduction to Plumbing Systems Exam
Review
Course Introduction
Introduction to Plumbing Systems provides students with a foundational understanding of the principles and practices involved in residential and commercial plumbing. The course covers the various components of plumbing systems, including water supply, drainage, venting, and waste removal. Students will learn about plumbing materials, tools, codes, and safety procedures, as well as the layout and installation of piping systems. Practical exercises and case studies will allow students to apply theoretical knowledge to real-world scenarios, preparing them for advanced study or entry-level work in the plumbing field.
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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Page 2
Chapter 1: Plumbers Toolbox
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29 Verified Questions
29 Flashcards
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Sample Questions
Q1) What is the purpose of a compass saw?
Answer: A compass saw is designed to cut both circular and square holes.
Q2) Why is it important to make a square pipe cut?
Answer: An uneven cut can cause a joint to leak.
Q3) The most common tape measure used by plumbers extends 25'-0" and has a 1.25" thick blade.
A)True
B)False
Answer: False
Q4) 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
Q5) The most common type of hammer used by many plumbers weighs _____ ounces and has a smooth nailing head
Answer: 16
Q6) What is the purpose of the inside pipe cutter?
Answer: To cut plastic pipe in a difficult location.
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Chapter 2: Power Tools
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31 Verified Questions
31 Flashcards
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Sample Questions
Q1) A ________________________________ is required by the Occupational Safety and Health Administration (OSHA)for every connection of a tool to a power source.
Answer: Ground Fault Circuit Interrupter
Q2) What is a lifeline and what is its purpose?
Answer: A lifeline is an approved rope or metal cord fixed at two secure points to which you connect the lanyard in order to provide mobility while working.
Q3) A ____________________ gets its name because of its design,which resembles a handgun.
Answer: pistol drill
Q4) ____________________ bits are the most common drill bit in new residential plumbing installations and are specifically designed for drilling wood products. Answer: Power bore
Q5) Most right angle drills allow the user to rotate the placement of the chuck _____° to adjust to any workspace.
Answer: 360
Q6) What is the purpose of a hammer drill?
Answer: Drilling into or through concrete.
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Chapter 3: Types of Pipe
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31 Flashcards
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Sample Questions
Q1) Steel piping materials are manufactured with tolerances having the same ____________________ diameter for each particular pipe size,and that sizing system is known as iron pipe size (IPS).
Answer: outside
Q2) What is cast iron pipe commonly used for in residential plumbing?
Answer: Cast iron pipe is often used in a residential DWV system for vertical installations to allow a more quiet draining process in walls.
Q3) 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
Q4) Flexible rolls of tubing for installing water distribution systems are typically sold in __________ lengths.
Answer: 100'-0"
Q5) Many piping materials are offered in several forms known as _______________ and _______________ (coils).
Answer: lengths,rolls
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Chapter 4: Fittings
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32 Flashcards
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Sample Questions
Q1) ___________________ is an alternative to black steel pipe for gas distribution systems.
Q2) The flange that connects a toilet to the drainage system is called a ____________________.
Q3) A fitting designed to provide access directly within a piping system is called a _______________.
Q4) When both sides of the run are the same size,you order the tee using the single run size and the branch size.
A)True
B)False
Q5) Two ______° fittings can be joined to create a 45° offset.
Q6) The most common offsets used in the plumbing industry are ______°,______° and ______°.
Q7) A ___________________ can be installed with the branch and run in the horizontal and vertical positions for drainage applications.
Q8) What is the purpose of a three-piece union?
Q9) How do male adapters differ from female adapters?
Page 6
Q10) Two ______° fittings can be joined to create a 90° offset.
Q11) What is a Tee?
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Page 7
Chapter 5: Valves and Devices
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24 Flashcards
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Sample Questions
Q1) What is the purpose of a Stop and Waste valve?
Q2) All hose bibbs are protected with a backflow device. A)True B)False
Q3) What are the two most common type of connections manufactured with brass valves and devices in residential plumbing?
Q4) A boiler drain is available with male and female threads,and the most common sizes are _____" and _____".
Q5) What is the purpose of pipe insulation?
Q6) What is a ball valve?
Q7) A _______________ valve utilizes a metal gate (disc)that slides vertically to open and close the valve.
Q8) What is the purpose of a hose bibb?
Q9) The _____ of the piping system is a factor in determining the possible volume of water that can be supplied by a particular pipe size.
Q10) Name the common isolation valves used for water systems.
Q11) What is the purpose of a relief valve?
Q12) Valves and devices are categorized based on their ____________________ capabilities. Page 8
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Page 9
Chapter 6: Fixtures
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30 Flashcards
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Sample Questions
Q1) The end of a bathtub in which the drain is located is known as the ____________________.
Q2) Also known as a tub.
A)Bathtub
B)Toilet
C)Kitchen Sink
D)Lavatory Sink
E)Laundry Sink
F)Bidet
G)Shower
Q3) The primary focus of water conservation efforts in residential plumbing relate to the ___________________ or ____________________________ of fixtures.
Q4) Also known as a lavatory,lav,or basin.
A)Bathtub
B)Toilet
C)Kitchen Sink
D)Lavatory Sink
E)Laundry Sink
F)Bidet
G)Shower
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Chapter 7: Faucets and Drain Assemblies
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22 Verified Questions
22 Flashcards
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Sample Questions
Q1) A tub faucet is mounted on either the ____________________ or ____________________.
Q2) Most pull-out spout kitchen sink faucets are not manufactured with an integral check valve to eliminate backflow.
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) Many faucet manufacturers offer unique designs that allow a spray unit to be installed without having to install a four-hole sink by having the spray unit manufactured in the faucet ____________________.
Q5) Most codes dictate that a vacuum breaker must be installed when a handheld shower is installed if the handheld could be submerged in water.
A)True
B)False
Q6) A typical sink faucet is either a __________- or __________-handle design
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Chapter 8: Plumbing Equipment and Appliances
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39 Verified Questions
39 Flashcards
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Sample Questions
Q1) Heats water in a solar water heating system,also called a panel.
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
Q2) A dishwasher receives hot water from a different water source than the one serving the kitchen sink.
A)True
B)False
Q3) How is the water temperature in a water heater regulated?
Q4) The water supply piping is typically _____" OD tubing routed from the sink area to the specific connection point under the dishwasher.
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Chapter 9: Blueprint Reading and Drafting
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Sample Questions
Q1) If a line that represents a pipe is connected to a circle,that symbol indicates the __________ is facing toward you.
Q2) A view of a design from the side also known as a section view.
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
Q3) What are the two types of scales (rulers)commonly used in drafting?
Q4) What are the two types of triangles used in drafting?
Q5) Ceiling joists are indicated on a blueprint known as a ____________________ plan.
Q6) Most shower symbols have the drain located in the upper left of the symbol.
A)True
B)False
Page 13
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Chapter 10: Material Organization and Layout
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26 Flashcards
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Sample Questions
Q1) Vertical board used to erect a wall.
A)Branch
B)Load-bearing
C)Stud
D)Slab
E)Framing
F)Joist
G)Procurement
H)Framer
I)Trench
Q2) List five methods for organizing plumbing materials.
Q3) Securing materials and ladders to a vehicle rack must be performed with proper techniques to prevent items from falling while driving.
A)True
B)False
Q4) A plumber can be held responsible for structural failure caused by cutting,drilling,or notching a floor joist during installation.
A)True
B)False
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Chapter 11: Water Service Installation
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30 Verified Questions
30 Flashcards
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Sample Questions
Q1) Water systems serving less than the EPA criteria for public water systems are considered _______________ water systems.
Q2) Inspection for water quality is the responsibility of the owner of the well.
A)True
B)False
Q3) The purity of the water,regardless of the source,is typically inspected by ______________________________ and regulated in each state or county.
Q4) Though an entire system is distributing water,this refers to the piping inside a house.
A)Aquifers
B)Filter
C)Trench
D)Brackish
E)Compacting
F)Backfill
G)Purification
H)Branch
I)Water distribution system
J)Water service
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Chapter 12: Water Distribution Installation
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35 Verified Questions
35 Flashcards
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Sample Questions
Q1) The size of the stop to be installed serving a fixture often determines the size of the rough-in water pipe more than the code.
A)True
B)False
Q2) The IPC and UPC have identical pipe sizing allowances.
Q3) The layout of a water distribution system is not always the same.
A)True
B)False
Q4) Tool that is ignited and creates a flame to solder or braze copper tube.
A)Torch
B)Solder
C)Flux
D)Silver solder
E)Partition
F)Stud
G)Framing
H)Soldering
I)Joint
J)Brazing
K)Joist
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Chapter 13: Drainage,waste,and Vent Segments and Sizing
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30 Verified Questions
30 Flashcards
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Sample Questions
Q1) All horizontal drains must have adequate slope to evacuate wastewater and solids.
A)True
B)False
Q2) 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
Q3) Most codes allow any pipe greater than 8" to be served with a 4" cleanout.
A)True
B)False
Q4) What are the three flow positions of a drainage system?
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Chapter 14: Drainage,waste,and Vent Installation
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27 Verified Questions
27 Flashcards
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Sample Questions
Q1) What is the minimum and maximum vertical distance of the standpipe that most codes dictate for a washing machine box to the inlet of a p-trap?
Q2) If the code allows a 2"×4" stud load bearing wall to be 60% drilled,what is the maximum size hole that can be drilled into the 2"×4" stud wall?
Q3) A _____" pipe is the smallest size allowable in a DWV system.
Q4) What is the most common size trap installed for a lavatory?
Q5) It is not uncommon for an architect to locate the plumbing fixtures on the exterior wall of a house.
A)True
B)False
Q6) Exterior walls that have a _____" waste stack may have to be constructed with 2"×6" wall studs instead of 2"×4" wall studs to accommodate the 3" pipe and fittings.
Q7) The distance a trap can be installed from its vent is known as
Q8) Testing a DWV system is typically performed with _______________ and some codes allow air to be used.
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Chapter 15: Fixture and Equipment Installation
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Sample Questions
Q1) Some codes require a dishwasher drain hose to be routed through an air gap device.
A)True
B)False
Q2) Many codes mandate that an HVAC contractor installs the venting (flue)system on a gas water heater.
A)True
B)False
Q3) A pipe size that is smaller in diameter and has a thinner wall thickness than pipe used for drainage piping.
A)Escutcheon
B)Wax seal
C)Compression
D)Trap adapter
E)Tubular
F)Closet bolts
G)Closet flange
H)Continuous waste
Q4) A ____________________ has a designated port to connect the dishwasher drain hose.
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Chapter 16: Plumbing Repairs and Troubleshooting
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Sample Questions
Q1) A defective tank flapper on a toilet can cause water to slowly enter the toilet bowl during a non-use period.
A)True
B)False
Q2) A plumber typically does not respond to repair problems that are under warranty. A)True
B)False
Q3) A 240-volt water heater has only one wire supplying 240 volts to the water heater. A)True
B)False
Q4) The heating element of a water heater is threaded or bolted to the tank.
A)True
B)False
Q5) After reconnecting a gas piping system,a _________________________ test must be performed before igniting any burners.
Q6) A gas water heater must be filled with water _______________ igniting the gas supply to a gas water heater.
Q7) 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 control will prevent the "dry firing " of the boiler?
A) aquastat
B) reset control
C) low water cutoff
D) water regulating valve
Q2) The desired floor temperature for a radiant floor heating system is ____ degrees.
A) 75
B) 85
C) 95
D) 105
Q3) A reset control will adjust the water temperature of the boiler according to the _______________ temperature.
Q4) What voltage are most zone valve motors?
A) 24
B) 115
C) 208
D) 220
Q5) Name four different methods for heating water in a boiler heating system.
Q6) What is another name for a flow control valve?
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