Plumbing Tier 1 Exam 1 UPDATED ACTUAL Questions and CORRECT
Answers
Question: Refining iron-ore requires extreme heat and a reducing agent to draw oxygen out of the iron-ore.
This reducing agent, called coke, is a grayish-black substance composed mostly of carbon.
Correct Answer: TrueT
Question: Lead-and-oakum joints are strong. Plumbers make these joints by pouring molten lead over
oakum fiber to form a watertight seal. This fiber is a caulking material of old hemp rope or jute fibers that
have been treated with tar or a tar-like derivative. Two types of oakum that are used by plumbers are
__________.
Correct Answer: White and brown
Question: GIVEN
Correct Answer: There are numerous types of fittings and accessories that are used in a commercial or
industrial rough plumbing sanitary drainage systems. The items presented in -[FIGURE-T1-Q4-1A: CAST
IRON FITTING KNOWLEDGE] are No-hub, S.V. and XH cast iron fittings. What fitting(s) are/is known
as "test tee(s)" ________: D) II and V
Question: GIVEN
Correct Answer: There are numerous types of fittings and accessories that are used in a commercial or
industrial rough plumbing sanitary drainage systems. The items presented in -[FIGURE-T1-Q4-1B: CAST
IRON FITTING KNOWLEDGE] are No-hub, S.V. and XH cast iron fittings. What fitting(s) are/is known
as a "(running traps/house traps)" ________.: I and IV
Question: GIVEN
Correct Answer: A journeyman plumber and apprentice are installing cast iron piping in a commercial
building. They are connecting two branch lines entering the system from opposite directions. This fitting is
designed to allow them to place the horizontal runs and vertical runs centrally. It is a ________ fitting that
allows you to place the horizontal runs and vertical runs centrally.: Double sanitary tee
Question: GIVEN
Correct Answer: The trap is a simple, design solution to the plumbing problem of separating a living space
from a sewage system. The water seal in a trap prevents harmful gas and overpowering odors from entering
the building through the fixtures. Nonetheless, fixtures or receptors without traps are still found in some
parts of the U.S. and in many other world countries. Fixture traps also ____________.: Obstruct vermin, i.e.
mice, snakes and rats that attempt to enter a building through the DWV-system.
Question: Question text not shown in source
Correct Answer: The yellow-dot identified by the letter- [A] shown in-[FIGURE-T1-Q4-1C: DRAINAGE
FITTING KNOWLEDGE] represents the ___________ of the sanitary tee, ■-bend and ¼-bend.: Center of
Fitting
Question: A piece of black steel pipe with a diameter ■" to 2" that is threaded at both ends and 7-inches
long would be referred to as a _______.
Correct Answer: Nipple
,Question: GIVEN
Correct Answer: A plumber/gasfitter is installing the potable water connections and gas piping connection
associated with a replacement water heater in a residential dwelling. The potable water connection at the
water heater may require the plumber to use a non-conducting fitting that is designed to isolate dissimilar
materials by using a combination of brass, plastic, or rubber termed a _____.: Dielectric union.
Question: ) GIVEN
Correct Answer: A journeyman and apprentice plumber/gas-fitter are completing the rough gas-fitting
connections in a new multiresidential condominium building. They are installing schedule-40 black steel
with threaded joint connections in sizes from ½" to 1-¼". Shutoff valves that are known as ______-valves
should be used to control the flow of gases and liquids.: Ball
Question: GIVEN
Correct Answer: Male and female threaded fittings are available in several sizes. If both the male and
female ends are the same size, the fitting is referred to as regular or standard. If female or male end sizes
differ the fitting is called a "reducing fitting". : Assume that the fitting [A] shown in-[FIGURE-T1-Q4-1D:
STEEL FITTING KNOWLEDGE] is 1-inch. At the counter of the plumbing wholesaler you would order
the fitting as a __________.: 1"-Black malleable street-(45)
Question: Frequent operation and precise control of flow can be achieved using a _________ valve.
Correct Answer: Globe
Question: GIVEN
Correct Answer: A plumber/gasfitter is completing the final gas connections in a new multi-residential
condominium building. The gas system is schedule 40 black steel with threaded joint connections. The
piping being used ranges in sizes from ½" to 1". A fitting that cannot be used as a gas piping connection is a
______.: Bushing
Question: GIVEN
Correct Answer: Plumbers must acquire the knowledge skills to recognize tools, parts and fittings. There
are a vast variety of parts, tools and fittings that are used in the DWV, Water Distribution, Storm Drainage
and Gas piping systems. Which of the images shown below in-[FIGURE-T1-Q4-1E: STEEL FITTING
KNOWLEDGE] represent "concentric" couplings ____________.: I, III and VI
Question: GIVEN
Correct Answer: A plumber is installing the finish plumbing in public accessible men and ladies' toilet
facilities that are in a movie theatre complex. Several types of fixtures and faucets are being used to
complete the final connections. Some commercial fixtures are even designed to be vandal-proof. A
__________ installed in a public toilet facility is typically made vandal resistant.: Wall hydrant/sillcock
Question: Prior to January 1, 1994, residential tank type water closets/toilets used at least ______ of water
per flush cycle.
Correct Answer: 3.5-gallons
Question: GIVEN
Correct Answer: A fixture is a receptacle or device that receives water from a water supply line and
discharges water, waste, or sewage into a connected drainage system. The items presented
in-[FIGURE-T1-Q4-1F: FIXTURE CARRIER KNOWL- EDGE] are plumbing fixture components. What
, device(s) are/is known as "Handicap lavatory carriers" ________.: II and V
Question: GIVEN
Correct Answer: A plumber is installing the finish plumbing connections in a duplex residential dwelling.
Both single family residences include (2)-full baths, a ½-bath, kitchen and laundry. A garbage disposal,
dishwasher and water connection for an ice maker are include in the kitchen fixture install. When in use by
the occupants, a garbage disposal/food waste grinder should only be operated while __________ water is
running through it.: Cold
Question: FACT
Correct Answer: Plumbers and the general public often confuse the terms sink and lavatory. The failure to
pass-on proper information, work procedures and terms in the trade is a progression known as "Replicative
Fading"-(the absence of fundamental repetitive knowledge, or the mutation of that knowledge being passed
down from one-generation to the next and causing or promoting failure and/or harm). A sink is a basin
designed for the primary purpose of washing hands and face: False
Question: GIVEN
Correct Answer: A plumbing/gas-fitting apprentice who has served the country in the Army, Navy, Air
Force, Marines or Coast Guard and is now a veteran may apply for examination and be granted exclusive
credits for their service Qualified applicants for examination who are Veterans when making application for
examination shall file a copy of their ______ Discharge Papers/Separation Papers.: DD-214
Question: A plumbing apprentice received a 60% on Part II of the journeyman plumber's exam. The
apprentice shall retake the portion of the exam he/she failed. Applicants who do not retest or pass the
examination within _______from the most recent date of failure shall be required to retake all parts of the
examination.
Correct Answer: One-year
Question: GIVEN
Correct Answer: The code and General Law Chapter 142 reference that no person shall work as an
Apprentice unless he or she has been registered and issued an apprentice license by the Board of Examiners
of Plumbers and Gas-fitters. The code states that a plumbing apprentice license shall not be renewed (nor
shall the licensee be eligible for a new license) after _____ from the date the license was initially granted.:
Ten years
Question: A _______ is any pipe that conveys the discharge of toilets, urinals or fixtures having similar
functions to the building drain or building sewer. The discharge may be conveyed with or without the
discharge from other fixtures.
Correct Answer: Soil pipe
Question: GIVEN
Correct Answer: A journeyman plumber enters a 12-story building and discovers that the water pressure at
the water meter reads 110-p.s.i.g. A branch, cold-water riser, will carry this 110-p.s.i.g. to the top floor of
the building by being run through a pipe chase. There is no pressure reducing valve installed at the riser.
The floor-to-floor measurement of each story is 14-feet. The 110-p.s.i.g. riser at a height of _____-feet
would experience a pressure of approximately 80-p.s.i.g.: 70
Question: GIVEN
Answers
Question: Refining iron-ore requires extreme heat and a reducing agent to draw oxygen out of the iron-ore.
This reducing agent, called coke, is a grayish-black substance composed mostly of carbon.
Correct Answer: TrueT
Question: Lead-and-oakum joints are strong. Plumbers make these joints by pouring molten lead over
oakum fiber to form a watertight seal. This fiber is a caulking material of old hemp rope or jute fibers that
have been treated with tar or a tar-like derivative. Two types of oakum that are used by plumbers are
__________.
Correct Answer: White and brown
Question: GIVEN
Correct Answer: There are numerous types of fittings and accessories that are used in a commercial or
industrial rough plumbing sanitary drainage systems. The items presented in -[FIGURE-T1-Q4-1A: CAST
IRON FITTING KNOWLEDGE] are No-hub, S.V. and XH cast iron fittings. What fitting(s) are/is known
as "test tee(s)" ________: D) II and V
Question: GIVEN
Correct Answer: There are numerous types of fittings and accessories that are used in a commercial or
industrial rough plumbing sanitary drainage systems. The items presented in -[FIGURE-T1-Q4-1B: CAST
IRON FITTING KNOWLEDGE] are No-hub, S.V. and XH cast iron fittings. What fitting(s) are/is known
as a "(running traps/house traps)" ________.: I and IV
Question: GIVEN
Correct Answer: A journeyman plumber and apprentice are installing cast iron piping in a commercial
building. They are connecting two branch lines entering the system from opposite directions. This fitting is
designed to allow them to place the horizontal runs and vertical runs centrally. It is a ________ fitting that
allows you to place the horizontal runs and vertical runs centrally.: Double sanitary tee
Question: GIVEN
Correct Answer: The trap is a simple, design solution to the plumbing problem of separating a living space
from a sewage system. The water seal in a trap prevents harmful gas and overpowering odors from entering
the building through the fixtures. Nonetheless, fixtures or receptors without traps are still found in some
parts of the U.S. and in many other world countries. Fixture traps also ____________.: Obstruct vermin, i.e.
mice, snakes and rats that attempt to enter a building through the DWV-system.
Question: Question text not shown in source
Correct Answer: The yellow-dot identified by the letter- [A] shown in-[FIGURE-T1-Q4-1C: DRAINAGE
FITTING KNOWLEDGE] represents the ___________ of the sanitary tee, ■-bend and ¼-bend.: Center of
Fitting
Question: A piece of black steel pipe with a diameter ■" to 2" that is threaded at both ends and 7-inches
long would be referred to as a _______.
Correct Answer: Nipple
,Question: GIVEN
Correct Answer: A plumber/gasfitter is installing the potable water connections and gas piping connection
associated with a replacement water heater in a residential dwelling. The potable water connection at the
water heater may require the plumber to use a non-conducting fitting that is designed to isolate dissimilar
materials by using a combination of brass, plastic, or rubber termed a _____.: Dielectric union.
Question: ) GIVEN
Correct Answer: A journeyman and apprentice plumber/gas-fitter are completing the rough gas-fitting
connections in a new multiresidential condominium building. They are installing schedule-40 black steel
with threaded joint connections in sizes from ½" to 1-¼". Shutoff valves that are known as ______-valves
should be used to control the flow of gases and liquids.: Ball
Question: GIVEN
Correct Answer: Male and female threaded fittings are available in several sizes. If both the male and
female ends are the same size, the fitting is referred to as regular or standard. If female or male end sizes
differ the fitting is called a "reducing fitting". : Assume that the fitting [A] shown in-[FIGURE-T1-Q4-1D:
STEEL FITTING KNOWLEDGE] is 1-inch. At the counter of the plumbing wholesaler you would order
the fitting as a __________.: 1"-Black malleable street-(45)
Question: Frequent operation and precise control of flow can be achieved using a _________ valve.
Correct Answer: Globe
Question: GIVEN
Correct Answer: A plumber/gasfitter is completing the final gas connections in a new multi-residential
condominium building. The gas system is schedule 40 black steel with threaded joint connections. The
piping being used ranges in sizes from ½" to 1". A fitting that cannot be used as a gas piping connection is a
______.: Bushing
Question: GIVEN
Correct Answer: Plumbers must acquire the knowledge skills to recognize tools, parts and fittings. There
are a vast variety of parts, tools and fittings that are used in the DWV, Water Distribution, Storm Drainage
and Gas piping systems. Which of the images shown below in-[FIGURE-T1-Q4-1E: STEEL FITTING
KNOWLEDGE] represent "concentric" couplings ____________.: I, III and VI
Question: GIVEN
Correct Answer: A plumber is installing the finish plumbing in public accessible men and ladies' toilet
facilities that are in a movie theatre complex. Several types of fixtures and faucets are being used to
complete the final connections. Some commercial fixtures are even designed to be vandal-proof. A
__________ installed in a public toilet facility is typically made vandal resistant.: Wall hydrant/sillcock
Question: Prior to January 1, 1994, residential tank type water closets/toilets used at least ______ of water
per flush cycle.
Correct Answer: 3.5-gallons
Question: GIVEN
Correct Answer: A fixture is a receptacle or device that receives water from a water supply line and
discharges water, waste, or sewage into a connected drainage system. The items presented
in-[FIGURE-T1-Q4-1F: FIXTURE CARRIER KNOWL- EDGE] are plumbing fixture components. What
, device(s) are/is known as "Handicap lavatory carriers" ________.: II and V
Question: GIVEN
Correct Answer: A plumber is installing the finish plumbing connections in a duplex residential dwelling.
Both single family residences include (2)-full baths, a ½-bath, kitchen and laundry. A garbage disposal,
dishwasher and water connection for an ice maker are include in the kitchen fixture install. When in use by
the occupants, a garbage disposal/food waste grinder should only be operated while __________ water is
running through it.: Cold
Question: FACT
Correct Answer: Plumbers and the general public often confuse the terms sink and lavatory. The failure to
pass-on proper information, work procedures and terms in the trade is a progression known as "Replicative
Fading"-(the absence of fundamental repetitive knowledge, or the mutation of that knowledge being passed
down from one-generation to the next and causing or promoting failure and/or harm). A sink is a basin
designed for the primary purpose of washing hands and face: False
Question: GIVEN
Correct Answer: A plumbing/gas-fitting apprentice who has served the country in the Army, Navy, Air
Force, Marines or Coast Guard and is now a veteran may apply for examination and be granted exclusive
credits for their service Qualified applicants for examination who are Veterans when making application for
examination shall file a copy of their ______ Discharge Papers/Separation Papers.: DD-214
Question: A plumbing apprentice received a 60% on Part II of the journeyman plumber's exam. The
apprentice shall retake the portion of the exam he/she failed. Applicants who do not retest or pass the
examination within _______from the most recent date of failure shall be required to retake all parts of the
examination.
Correct Answer: One-year
Question: GIVEN
Correct Answer: The code and General Law Chapter 142 reference that no person shall work as an
Apprentice unless he or she has been registered and issued an apprentice license by the Board of Examiners
of Plumbers and Gas-fitters. The code states that a plumbing apprentice license shall not be renewed (nor
shall the licensee be eligible for a new license) after _____ from the date the license was initially granted.:
Ten years
Question: A _______ is any pipe that conveys the discharge of toilets, urinals or fixtures having similar
functions to the building drain or building sewer. The discharge may be conveyed with or without the
discharge from other fixtures.
Correct Answer: Soil pipe
Question: GIVEN
Correct Answer: A journeyman plumber enters a 12-story building and discovers that the water pressure at
the water meter reads 110-p.s.i.g. A branch, cold-water riser, will carry this 110-p.s.i.g. to the top floor of
the building by being run through a pipe chase. There is no pressure reducing valve installed at the riser.
The floor-to-floor measurement of each story is 14-feet. The 110-p.s.i.g. riser at a height of _____-feet
would experience a pressure of approximately 80-p.s.i.g.: 70
Question: GIVEN
